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Digital Signal Transmission/System Components of a Baseband Transmission System
Untermenü=Digital Signal Transmission under Idealized Conditions ...h some simplifying assumptions:  a redundancy-free binary transmitted signal,  no intersymbol interference.  Although the description is mainl

28 KB (4,573 words) - 14:51, 31 August 2022
Digital Signal Transmission/System Components of a Baseband Transmission System GS
Untermenü=Digital Signal Transmission under Idealized Conditions ...h some simplifying assumptions:  a redundancy-free binary transmitted signal,  no intersymbol interference.  Although the description is mainl

28 KB (4,573 words) - 11:30, 12 April 2023
Matched Filter Properties
...tion filter«  – is used to detect the existence of such a signal.  ...dash;noise–ratio  $($ $\rm SNR)$  – whether a pulse-shaped signal component  $g(t)$  disturbed by additive noise  $n(t)$ 

34 KB (5,690 words) - 16:02, 18 April 2023
Modulation Methods/Phase Modulation (PM)
#the  »signal characteristics and spectral functions«  of angle-modulated sign #the  »signal-to-noise power ratio«  of FM,  which is more favorable than

31 KB (4,943 words) - 14:43, 18 January 2023
Modulation Methods/Objectives of Modulation and Demodulation
# the  »signal-to-noise power ratio«  as a very general quality criterion, ...lytical signal«  and the  »equivalent low–pass signal«.

22 KB (3,220 words) - 15:09, 23 January 2023
Theory of Stochastic Signals/Further Distributions
[[File:P_ID62__Sto_T_3_7_S1_neu.png |right|frame|Sample signal and PDF of a Rayleigh distributed random variable|class=fit]] One can see from this representation:

12 KB (1,790 words) - 11:03, 22 December 2022
Sampling of Analog Signals and Signal Reconstruction
...p; $x(t)$. The (infinite) sum over all these samples is called the sampled signal  $x_{\rm A}(t)$. ...ottom:   Example for time discretization of the continuous–time signal  $x(t)$]]

31 KB (5,038 words) - 19:10, 26 April 2023
Digital Filters
...$〈y_ν〉$is calculated, i.e. the discrete-time representation of the output signal $y(t)$. Each signal $x(t)$ can only be represented on a computer by the sequence $〈x_ν〉$ o

25 KB (3,574 words) - 18:44, 26 April 2023
Complementary Gaussian Error Functions
This applet allows the calculation and graphical representation of the (complementary) Gaussian error functions  ${\rm Q}(x)$  an ...robability  $p_{\rm B} = {\rm Q}({s_0}/{\sigma_d})$, where the useful signal can take the values  $\pm s_0$  and the noise root-mean-square va

14 KB (2,124 words) - 19:49, 16 April 2023
Digital Signal Transmission/Structure of the Optimal Receiver
*the basis functions and the signal space representation according to the chapter  [[Digital_Signal_Transmission/Signals,_Basis *For the transmission,  $M$  different signal forms  $s_i(t)$  are available;  for the indexing variable s

39 KB (6,156 words) - 16:18, 23 January 2023
Digital Signal Transmission/Redundancy-Free Coding
...(t)$  corresponds to the bit duration  $T_q$  of the source signal,  which is assumed to be binary and redundancy-free.<br> ...;$16\%$.  Because of  ${T_c}/{T_q} = 4/3$,  the transmitted signal  $s(t)$  is lower in frequency here than in uncoded transmission,

26 KB (4,161 words) - 16:01, 23 January 2023
Applets
{{Collapse|ID=signald|TITEL='''Applets about  "Signal Representation"'''|TEXT= ...sp; [[Applets:Physical_Signal_&_Analytic_Signal|Physical Signal & Analytic Signal]]

25 KB (3,084 words) - 17:14, 6 June 2023
Exercise 5.6: Error Correlation Duration
in logarithmic representation. [[Category:Digital Signal Transmission: Exercises|^5.3 Burst Error Channels^]]

6 KB (1,042 words) - 14:22, 19 October 2022
Digital Signal Transmission/Applications for Multimedia Files
...irst 160 bytes of the file "LNTprofs.bmp". The file header (in hexadecimal representation from 0x00 to 0x0D) as well as the image data area (from 0x36) are highlight ...the hexadecimal representation and the trailing "d" indicates the decimal representation):

15 KB (2,365 words) - 13:54, 17 April 2023
Exercise 4.6: k-parameters and alpha-parameters
...alpha_0$,  $\alpha_1$  and  $\alpha_2$  instead of the representation with  $k_1$,  $k_2$  and  $k_3$. ...equations,  it is obvious that the coefficient characterizing the DC signal attenuation is  $\alpha_0 = k_1$.

12 KB (1,784 words) - 18:11, 23 November 2021
Digital Signal Transmission/Consideration of Channel Distortion and Equalization
...espect to the signal component  $d_{\rm S}(t)$  of the detection signal if it is fully compensated with  $1/H_{\rm K}(f)$.  ...ponent  $d_{\rm S}(t)$  – originating from the transmitted signal  $s(t)$  – has exactly the same shape as calculated in the

20 KB (3,309 words) - 16:40, 28 June 2022
Modulation Methods/Error Probability of Direct-Sequence Spread Spectrum Modulation
..._Viterbi $\text{Andrew J. Viterbi}$].   In a somewhat simplified representation – without convolutional encoder,  interleaver and de-interleaver as *The spreading signal  $c(t)$  causes  "band spreading"  by the spreading fac

20 KB (3,049 words) - 18:30, 23 January 2023
Linear and Time Invariant Systems/Conclusions from the Allocation Theorem
...uo;'''impulse response'''«  $h(t)$  is equal to the output signal  $y(t)$  of the system if an infinitely short impulse with an inf ...ity condition  »the output signal cannot start before the input signal«  is:

18 KB (2,887 words) - 19:21, 15 November 2023
Mobile Communications/Characteristics of GSM
...also takes the channel coding into account.  In the case of a speech signal, for every  $20\ \rm kbit/s$  speech frame  $456$  bits ...demodulation of FSK)  we refer to two exercises in the book "Digital Signal Transmission":

17 KB (2,642 words) - 18:41, 20 February 2023
Linear and Time Invariant Systems/Properties of Coaxial Cables
'''Notes on the representation chosen here''' The time domain representation is obtained by applying the  [[Signal_Representation/Fourier_Transform

22 KB (3,399 words) - 19:37, 24 November 2023