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	<id>https://en.lntwww.de/index.php?action=history&amp;feed=atom&amp;title=Linear_and_Time_Invariant_Systems</id>
	<title>Linear and Time Invariant Systems - Revision history</title>
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	<updated>2026-04-22T10:31:34Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=54176&amp;oldid=prev</id>
		<title>Guenter at 16:38, 1 November 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=54176&amp;oldid=prev"/>
		<updated>2023-11-01T16:38:04Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 16:38, 1 November 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot; &gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ only by attenuation/gain and/or delay time.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ only by attenuation/gain and/or delay time.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;)$&amp;amp;nbsp; $($possibly reversible$&lt;/del&gt;)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortions$)$.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;$($possibly reversible$)$ &lt;/ins&gt;&amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$; &amp;amp;nbsp; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/ins&gt;non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortions$)$.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of line transmission theory;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of line transmission theory;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=54147&amp;oldid=prev</id>
		<title>Guenter at 11:56, 25 September 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=54147&amp;oldid=prev"/>
		<updated>2023-09-25T11:56:24Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 11:56, 25 September 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l2&quot; &gt;Line 2:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 2:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{BlaueBox|TEXT=Based on the book&amp;amp;nbsp; [[Signaldarstellung|&amp;amp;raquo;Signal Representation&amp;amp;laquo;]],&amp;amp;nbsp; here it is described how to mathematically capture the influence of a filter on deterministic signals.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{BlaueBox|TEXT=Based on the book&amp;amp;nbsp; [[Signaldarstellung|&amp;amp;raquo;Signal Representation&amp;amp;laquo;]],&amp;amp;nbsp; here it is described how to mathematically capture the influence of a filter on deterministic signals.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System theory analyses a quadripole&amp;amp;nbsp; $($&amp;amp;raquo;system&amp;amp;laquo;$)$&amp;amp;nbsp; using&amp;amp;nbsp; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;cause&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/del&gt;&amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$input &amp;amp;nbsp; $ X(f)\bullet\! \!-\!-\!\!\circ\, x( t )]$&amp;amp;nbsp; and&amp;amp;nbsp; &amp;amp;raquo;effect&amp;amp;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;raquo&lt;/del&gt;; &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$output&amp;amp;nbsp; $ Y(f)\bullet\!-\!-\!\circ\, y( t )]$.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System theory analyses a quadripole&amp;amp;nbsp; $($&amp;amp;raquo;system&amp;amp;laquo;$)$&amp;amp;nbsp; using&amp;amp;nbsp; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;cause&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;laquo; &lt;/ins&gt;&amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$input &amp;amp;nbsp; $ X(f)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\ &lt;/ins&gt;\bullet\!\!-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\!\!\!-\!\!&lt;/ins&gt;\!-\!\!\circ\,&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\ &lt;/ins&gt;x(t)]$&amp;amp;nbsp; and&amp;amp;nbsp; &amp;amp;raquo;effect&amp;amp;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;laquo&lt;/ins&gt;; &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$output&amp;amp;nbsp; $ Y(f)&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\ &lt;/ins&gt;\bullet&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\!\!-\!\!&lt;/ins&gt;\!-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\!\!&lt;/ins&gt;\!-&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\!&lt;/ins&gt;\!\circ&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;\,&lt;/ins&gt;\, y( t )]$. &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt; &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ by attenuation/gain and delay time.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;only &lt;/ins&gt;by attenuation/gain and&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;/or &lt;/ins&gt;delay time.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortions$)$.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortions$)$.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The filter influence on a random signal is only dealt with in the last chapter of the book &amp;amp;nbsp;[[Theory_of_Stochastic_Signals|&amp;amp;raquo;Theory of Stochastic Signals&amp;amp;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;raquo&lt;/del&gt;;]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The filter influence on a random signal is only dealt with in the last chapter of the book &amp;amp;nbsp;[[Theory_of_Stochastic_Signals|&amp;amp;raquo;Theory of Stochastic Signals&amp;amp;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;laquo&lt;/ins&gt;;]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;amp;rArr; &amp;amp;nbsp; First &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;a&lt;/del&gt;&amp;amp;nbsp; &amp;amp;raquo;'''content overview'''&amp;amp;laquo;&amp;amp;nbsp; on the basis of the&amp;amp;nbsp; &amp;amp;raquo;'''four main chapters'''&amp;amp;laquo;&amp;amp;nbsp; with a total of&amp;amp;nbsp; &amp;amp;raquo;'''twelve individual chapters'''&amp;amp;laquo;&amp;amp;nbsp; and&amp;amp;nbsp; &amp;amp;raquo;'''93 sections'''&amp;amp;laquo;.}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;amp;rArr; &amp;amp;nbsp; First &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;the&lt;/ins&gt;&amp;amp;nbsp; &amp;amp;raquo;'''content overview'''&amp;amp;laquo;&amp;amp;nbsp; on the basis of the&amp;amp;nbsp; &amp;amp;raquo;'''four main chapters'''&amp;amp;laquo;&amp;amp;nbsp; with a total of&amp;amp;nbsp; &amp;amp;raquo;'''twelve individual chapters'''&amp;amp;laquo;&amp;amp;nbsp; and&amp;amp;nbsp; &amp;amp;raquo;'''93 sections'''&amp;amp;laquo;.}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53793&amp;oldid=prev</id>
		<title>Guenter at 11:22, 3 April 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53793&amp;oldid=prev"/>
		<updated>2023-04-03T11:22:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 11:22, 3 April 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot; &gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ by attenuation/gain and delay time.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ by attenuation/gain and delay time.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;distortuions '''KORREKTUR: &lt;/del&gt;distortions&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'''&lt;/del&gt;$)$.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortions$)$.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;line theory '''KORREKTUR: &lt;/del&gt;line transmission theory&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;'''&lt;/del&gt;;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of line transmission theory;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53778&amp;oldid=prev</id>
		<title>Hwang at 18:54, 30 March 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53778&amp;oldid=prev"/>
		<updated>2023-03-30T18:54:53Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 18:54, 30 March 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l7&quot; &gt;Line 7:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortuions '''KORREKTUR: distortions'''$)$.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortuions '''KORREKTUR: distortions'''$)$.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of line theory;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of line theory &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'''KORREKTUR: line transmission theory'''&lt;/ins&gt;;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Hwang</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53777&amp;oldid=prev</id>
		<title>Hwang at 18:52, 30 March 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53777&amp;oldid=prev"/>
		<updated>2023-03-30T18:52:01Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 18:52, 30 March 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l5&quot; &gt;Line 5:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &amp;amp;raquo;frequency response&amp;amp;laquo;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &amp;amp;raquo;impulse response&amp;amp;raquo;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ by attenuation/gain and delay time.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ by attenuation/gain and delay time.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortuions$)$.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortuions &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'''KORREKTUR: distortions'''&lt;/ins&gt;$)$.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Peculiarities of causal systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ h(t&amp;lt;0)\equiv 0$;&amp;amp;nbsp; Hilbert transform,&amp;amp;nbsp; Laplace transform; inverse Laplace  transform &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; residue theorem.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of line theory;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;#Some results of line theory;&amp;amp;nbsp; coaxial cable systems &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; &amp;quot;white noise&amp;quot;;&amp;amp;nbsp; copper twisted pairs &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; dominant is&amp;amp;nbsp; &amp;quot;near-end crosstalk&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Hwang</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53682&amp;oldid=prev</id>
		<title>Guenter at 17:51, 24 March 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=53682&amp;oldid=prev"/>
		<updated>2023-03-24T17:51:19Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 17:51, 24 March 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===Brief summary===&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;===Brief summary===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{BlaueBox|TEXT=Based on the book&amp;amp;nbsp;[[Signaldarstellung|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;Signal Representation&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;]],&amp;amp;nbsp; here it is described how to mathematically capture the influence of a filter on deterministic signals.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{BlaueBox|TEXT=Based on the book&amp;amp;nbsp; [[Signaldarstellung|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;Signal Representation&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;laquo;&lt;/ins&gt;]],&amp;amp;nbsp; here it is described how to mathematically capture the influence of a filter on deterministic signals.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System theory analyses a quadripole&amp;amp;nbsp; $($&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;system&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;$)$&amp;amp;nbsp; using&amp;amp;nbsp; &amp;quot;cause&amp;quot; &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$input &amp;amp;nbsp; $ X(f)\bullet\! \!-\!-\!\!\circ\, x( t )]$&amp;amp;nbsp; and&amp;amp;nbsp; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;effect&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot; &lt;/del&gt;&amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$output&amp;amp;nbsp; $ Y(f)\bullet\!-\!-\!\circ\, y( t )]$.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System theory analyses a quadripole&amp;amp;nbsp; $($&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;system&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;laquo;&lt;/ins&gt;$)$&amp;amp;nbsp; using&amp;amp;nbsp; &amp;quot;cause&amp;quot; &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$input &amp;amp;nbsp; $ X(f)\bullet\! \!-\!-\!\!\circ\, x( t )]$&amp;amp;nbsp; and&amp;amp;nbsp; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;effect&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo; &lt;/ins&gt;&amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $[$output&amp;amp;nbsp; $ Y(f)\bullet\!-\!-\!\circ\, y( t )]$.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;frequency response&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;impulse response&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Indicator in frequency domain is the&amp;amp;nbsp; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;frequency response&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;laquo;&lt;/ins&gt;&amp;amp;nbsp; $ H(f)=Y(f)/X(f)$,&amp;amp;nbsp; in time domain the&amp;amp;nbsp; &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;impulse response&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;&amp;amp;nbsp; $ h(t)$,&amp;amp;nbsp; where&amp;amp;nbsp; $ y(t)=x(t)\star h(t)$.  &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ by attenuation/gain and delay time.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# System distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ y(t)\ne K \cdot x(t - \tau)$;&amp;amp;nbsp; distortion-free system:&amp;amp;nbsp; output and input differ by attenuation/gain and delay time.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortuions$)$.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;# Linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; $ Y(f)=X(f)\cdot H(f)$&amp;amp;nbsp; $($possibly reversible$)$;&amp;amp;nbsp; non-linear distortions &amp;amp;nbsp; &amp;amp;rArr; &amp;amp;nbsp; emergence of new frequencies&amp;amp;nbsp; $($irreversible distortuions$)$.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l10&quot; &gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The filter influence on a random signal is only dealt with in the last chapter of the book &amp;amp;nbsp;[[Theory_of_Stochastic_Signals|&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;Theory of Stochastic Signals&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;quot;&lt;/del&gt;]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The filter influence on a random signal is only dealt with in the last chapter of the book &amp;amp;nbsp;[[Theory_of_Stochastic_Signals|&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;Theory of Stochastic Signals&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;raquo;&lt;/ins&gt;]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;amp;rArr; &amp;amp;nbsp; First a&amp;amp;nbsp; &amp;amp;raquo;'''content overview'''&amp;amp;laquo;&amp;amp;nbsp; on the basis of the&amp;amp;nbsp; &amp;amp;raquo;'''four main chapters'''&amp;amp;laquo;&amp;amp;nbsp; with a total of&amp;amp;nbsp; &amp;amp;raquo;'''twelve individual chapters'''&amp;amp;laquo;&amp;amp;nbsp; and&amp;amp;nbsp; &amp;amp;raquo;'''93 sections'''&amp;amp;laquo;.}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;amp;rArr; &amp;amp;nbsp; First a&amp;amp;nbsp; &amp;amp;raquo;'''content overview'''&amp;amp;laquo;&amp;amp;nbsp; on the basis of the&amp;amp;nbsp; &amp;amp;raquo;'''four main chapters'''&amp;amp;laquo;&amp;amp;nbsp; with a total of&amp;amp;nbsp; &amp;amp;raquo;'''twelve individual chapters'''&amp;amp;laquo;&amp;amp;nbsp; and&amp;amp;nbsp; &amp;amp;raquo;'''93 sections'''&amp;amp;laquo;.}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52980&amp;oldid=prev</id>
		<title>Guenter at 15:12, 23 February 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52980&amp;oldid=prev"/>
		<updated>2023-02-23T15:12:37Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 15:12, 23 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l64&quot; &gt;Line 64:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 64:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;$(1)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:Bibliography_to_Linear_and_Time_Invariant_Systems|$\text{Bibliography for the book}$]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;$(2)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:General_notes_about_&amp;quot;Linear_and_Time_Invariant_Systems&amp;quot;|$\text{General notes about the book}$]] &amp;amp;nbsp; (authors,&amp;amp;nbsp; other participants,&amp;amp;nbsp; materials as a starting point for the book,&amp;amp;nbsp; references)&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Display}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Display}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52979&amp;oldid=prev</id>
		<title>Guenter at 15:11, 23 February 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52979&amp;oldid=prev"/>
		<updated>2023-02-23T15:11:19Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 15:11, 23 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l61&quot; &gt;Line 61:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 61:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(4)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:Bibliography_to_&amp;quot;Linear_and_Time_Invariant_Systems&amp;quot;|$\text{Bibliography}$]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(4)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:Bibliography_to_&amp;quot;Linear_and_Time_Invariant_Systems&amp;quot;|$\text{Bibliography}$]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(5)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;General_notes_about_Signal_Representation&lt;/del&gt;|$\text{Impressum}$]] }}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(5)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Imprint_for_the_book_&amp;quot;Linear_and_Time_Invariant_Systems&amp;quot;&lt;/ins&gt;|$\text{Impressum}$]] }}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52978&amp;oldid=prev</id>
		<title>Guenter at 15:08, 23 February 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52978&amp;oldid=prev"/>
		<updated>2023-02-23T15:08:42Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 15:08, 23 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l59&quot; &gt;Line 59:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 59:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{BlaueBox|TEXT=&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{BlaueBox|TEXT=&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(4)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:Bibliography_to_&amp;quot;Linear_and_Time_Invariant_Systems&amp;quot;|$\text{Bibliography &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;for the book&lt;/del&gt;}$]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(4)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:Bibliography_to_&amp;quot;Linear_and_Time_Invariant_Systems&amp;quot;|$\text{Bibliography}$]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(5)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:General_notes_about_Signal_Representation|$\text{&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;General notes about the book&lt;/del&gt;}$]] &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;&amp;amp;nbsp; $($authors,&amp;amp;nbsp; other participants,&amp;amp;nbsp; materials as a starting point for the book,&amp;amp;nbsp; references$)$&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;$(5)$&amp;amp;nbsp; &amp;amp;nbsp; [[LNTwww:General_notes_about_Signal_Representation|$\text{&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Impressum&lt;/ins&gt;}$]] }}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
	<entry>
		<id>https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52973&amp;oldid=prev</id>
		<title>Guenter at 14:46, 23 February 2023</title>
		<link rel="alternate" type="text/html" href="https://en.lntwww.de/index.php?title=Linear_and_Time_Invariant_Systems&amp;diff=52973&amp;oldid=prev"/>
		<updated>2023-02-23T14:46:52Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 14:46, 23 February 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l12&quot; &gt;Line 12:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 12:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The filter influence on a random signal is only dealt with in the last chapter of the book &amp;amp;nbsp;[[Theory_of_Stochastic_Signals|&amp;quot;Theory of Stochastic Signals&amp;quot;]].&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The filter influence on a random signal is only dealt with in the last chapter of the book &amp;amp;nbsp;[[Theory_of_Stochastic_Signals|&amp;quot;Theory of Stochastic Signals&amp;quot;]].&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;amp;rArr; &amp;amp;nbsp; First a&amp;amp;nbsp; &amp;amp;raquo;'''content overview'''&amp;amp;laquo;&amp;amp;nbsp; on the basis of the&amp;amp;nbsp; &amp;amp;raquo;'''four main chapters'''&amp;amp;laquo;&amp;amp;nbsp; with a total of&amp;amp;nbsp; &amp;amp;raquo;'''twelve individual chapters'''&amp;amp;laquo;.}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;amp;rArr; &amp;amp;nbsp; First a&amp;amp;nbsp; &amp;amp;raquo;'''content overview'''&amp;amp;laquo;&amp;amp;nbsp; on the basis of the&amp;amp;nbsp; &amp;amp;raquo;'''four main chapters'''&amp;amp;laquo;&amp;amp;nbsp; with a total of&amp;amp;nbsp; &amp;amp;raquo;'''twelve individual chapters&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;'''&amp;amp;laquo;&amp;amp;nbsp; and&amp;amp;nbsp; &amp;amp;raquo;'''93 sections&lt;/ins&gt;'''&amp;amp;laquo;.}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Guenter</name></author>
		
	</entry>
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