Applets:Periodendauer periodischer Signale: Difference between revisions

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<p>
{{BlaueBox|TEXT=
<B style="font-size:18px">Funktion:</B>
$$x(t) = A_1\cdot cos\Big(2\pi f_1\cdot t- \frac{2\pi}{360}\cdot \phi_1\Big)+A_2\cdot cos\Big(2\pi f_2\cdot t- \frac{2\pi}{360}\cdot \phi_2\Big)$$
}}
</p>


<html>
<html>
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</head>
</head>


<body>
<body onload="drawNow()">
 
<!-- Resetbutton, Checkbox und Formel -->
<p>
    <input type="checkbox" id="gridbox" onclick="showgrid();" checked> <label for="gridbox">Gitterlinien Zeigen</label>
    <button class="button" onclick="drawNow();">Reset</button>
</p>
<div id="cnfBoxHtml" class="jxgbox" style="width:600px; height:150px;  float:top; margin:-10px 20px 100px 0px;"></div>
<div id="cnfBoxHtml" class="jxgbox" style="width:600px; height:150px;  float:top; margin:-10px 20px 100px 0px;"></div>
<div id="pltBoxHtml" class="jxgbox" style="width:600px; height:600px; border:1px solid black; margin:-100px 20px 10px 0px;"></div>
<div id="pltBoxHtml" class="jxgbox" style="width:600px; height:600px; border:1px solid black; margin:-100px 20px 10px 0px;"></div>


<!-- Ausgabefelder -->
<table>
    <tr>
        <td>$x(t)$= <span id="x(t)"></span>  $\quad$ </td>
        <td>$x(t+ T_0)$= <span id="x(t+T_0)"></span>  $\quad$ </td>
        <td>$x(t+2T_0)$= <span id="x(t+2T_0)"></span>  $\quad$ </td>
        <td>$x_{\text{max}}$= <span id="x_max"></span>  $\quad$ </td>
        <td style="color:blue;">$T_0$= <span id="T_0"></span>  $\quad$ </td>
    </tr>
</table>




<script type="text/javascript">
<script type="text/javascript">
 
function drawNow() {
         // Grundeinstellungen der beiden Applets
         // Grundeinstellungen der beiden Applets
         JXG.Options.text.useMathJax = true;
         JXG.Options.text.useMathJax = true;
         var cnfBox = JXG.JSXGraph.initBoard('cnfBoxHtml', {
         cnfBox = JXG.JSXGraph.initBoard('cnfBoxHtml', {
             showCopyright: false, showNavigation: false, axis: false,
             showCopyright: false, showNavigation: false, axis: false,
             grid: false, zoom: { enabled: false }, pan: { enabled: false },
             grid: false, zoom: { enabled: false }, pan: { enabled: false },
             boundingbox: [-1, 2.2, 12.4, -2.2]
             boundingbox: [-1, 2.2, 12.4, -2.2]
         });
         });
         var pltBox = JXG.JSXGraph.initBoard('pltBoxHtml', {
         pltBox = JXG.JSXGraph.initBoard('pltBoxHtml', {
             showCopyright: false, axis: false,
             showCopyright: false, axis: false,
             zoom: { factorX: 1.1, factorY: 1.1, wheel: true, needshift: true, eps: 0.1 },
             zoom: { factorX: 1.1, factorY: 1.1, wheel: true, needshift: true, eps: 0.1 },
             grid: false, boundingbox: [-0.5, 2.2, 12.4, -2.2]
             grid: false, boundingbox: [-0.5, 2.2, 12.4, -2.2]
         });
         });
 
        cnfBox.addChild(pltBox);
 
 
    };
    // Definition der Funktion zum An- und Ausschalten des Koordinatengitters
    function showgrid() {
        if (gridbox.checked) {
            xaxis = pltBox.create('axis', [ [0, 0], [1, 0] ], {});
            yaxis = pltBox.create('axis', [ [0, 0], [0, 1] ], {});
        } else {
            xaxis.removeTicks(xaxis.defaultTicks);
            yaxis.removeTicks(yaxis.defaultTicks);
        }
        pltBox.fullUpdate();
    };
</script>
</script>
</body>
</body>

Revision as of 23:01, 18 September 2017

Funktion: $$x(t) = A_1\cdot cos\Big(2\pi f_1\cdot t- \frac{2\pi}{360}\cdot \phi_1\Big)+A_2\cdot cos\Big(2\pi f_2\cdot t- \frac{2\pi}{360}\cdot \phi_2\Big)$$



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