Distance to stationarity
[D,F] = D2STATIO(SIG)
signal to be analyzed (real or complex).
vector giving the distance to stationarity for each frequency.
vector of frequency bins
d2statio evaluates the distance of the signal to stationarity, using the pseudo Wigner-Ville distribution.
rand("seed",0); sig = noisecg(128); [d,f] = d2statio(sig); clf subplot(211); plot(f,d); xlabel(_('Frequency')); ylabel(_('Distance')); sig = fmconst(128); [d,f] = d2statio(sig); subplot(212);plot(f,d); xlabel(_('Frequency')); ylabel(_('Distance')); | ![]() | ![]() |