Butterworth time-frequency distribution.
[TFR,T,F]=Ctfrbud(X) [TFR,T,F]=Ctfrbud(X,T) [TFR,T,F]=Ctfrbud(X,T,N) [TFR,T,F]=Ctfrbud(X,T,N,G) [TFR,T,F]=Ctfrbud(X,T,N,G,H) [TFR,T,F]=Ctfrbud(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/4)).
frequency smoothing window(default : Hamming(N/4)).
kernel width (default : 1).
time-frequency representation
vector of normalized frequencies.
computes the Butterworth distribution of a signal X.