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Time Frequency Toolbox >> Time Frequency Toolbox > Other > d2statio

d2statio

Distance to stationarity

Calling Sequence

[D,F]=D2STATIO(SIG)

Parameters

SIG :

signal to be analyzed (real or complex).

D :

vector giving the distance to stationarity for each frequency.

F :

vector of frequency bins

Description

d2statio evaluates the distance of the signal to stationarity, using the pseudo Wigner-Ville distribution.

Examples

sig=noisecg(128); [d,f]=d2statio(sig);
scf; plot(f,d); xlabel('Frequency'); ylabel('Distance');

sig=fmconst(128); [d,f]=d2statio(sig);
scf;  plot(f,d); xlabel('Frequency'); ylabel('Distance');

Authors

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