Zak transform
DZT = zak(SIG,N,M)
Signal to be analysed (length(X)=N1).
number of Zak coefficients in time (N1 must be a multiple of N) (default : closest integer towards sqrt(N1)).
number of Zak coefficients in frequency (N1 must be a multiple of M) (default : M=N1/N).
Output matrix (N,M) containing the discrete Zak transform.
zak computes the Zak transform of signal SIG.
sig = fmlin(256); DZT = zak(sig); grayplot(1:16,1:16,DZT'); | ![]() | ![]() |