Choi-Williams time-frequency distribution.
[TFR,T,F]=Ctfrcw(X) [TFR,T,F]=Ctfrcw(X,T) [TFR,T,F]=Ctfrcw(X,T,N) [TFR,T,F]=Ctfrcw(X,T,N,G) [TFR,T,F]=Ctfrcw(X,T,N,G,H) [TFR,T,F]=Ctfrcw(X,T,N,G,H,SIGMA)
Analyzed signal.
time instant(s) (default : 1:length(X)).
number of frequency bins (default : length(X)).
time smoothing window, (default : Hamming(N/10)).
frequency smoothing window, in the time-domain, (default : Hamming(N/4)).
kernel width
time-frequency representation.
vector of normalized frequencies.
computes the Choi-Williams distribution of a signal X.