scoh_w.m

this pdf file contain information about blind adaptation in CDMA

function Coh = SCoh_W(y,x,alpha,nfft,Noverlap,Window,opt,P)     
% Coh = SCoh_W(y,x,alpha,nfft,Noverlap,Window,opt,P)
% Welch's estimate of the Cyclic Spectral Coherence of signals y and x 
% at cyclic frequency alpha (0 <= 1/cycle <1):  
% opt = 'sym' : E{Y(f+a/2)X*(f-a/2)}/sqrt(E|Y(f+a/2)|睧|X*(f-a/2)|