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Time Frequency Toolbox >> Time Frequency Toolbox > Choice of the Instantaneous Frequency > gdpower

gdpower

Signal with power-law group delay.

Calling Sequence

[X,GPD,F]=GDPOWER(N,K,C)

Parameters

N :

number of points in time (must be even)

K :

degree of the power-law (default : 0)

C :

rate-coefficient of the power-law group delay. C must be non-zero. (default : 1)

X :

time row vector containing the modulated signal samples

GPD :

group delay (length : round(N/2)-1)

F :

frequency bins

Description

generates a signal with a power-law group delay of the form tx(f) = T0 + C*f^(K-1). The output signal is of unit energy.

Examples

sig=gdpower(64,0); tfrbert(sig,1:64,0.01,0.32,256,1);
[sig,gpd,f]=gdpower(256,1/2); plot(gpd,f);

See also

Authors

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