function delta=Halla_delta(F,T,X,fs) sizeF=length(F); sizeT=length(T); % Para la notacion ver paper de Yilmaz y Rickard pag. 21 (6 del .pdf) umbral=.05; ceros=0; for f=2:sizeF omega=2*pi*F(f); R21(f,:)=zeros(1,sizeT); for t=1:length(T) if (abs(X(f,t,1)) < umbral && abs(X(f,t,2)) < umbral) R21(f,t)=NaN; delta(f,t)=NaN; ceros=ceros+1; else R21(f,t)=X(f,t,2)/X(f,t,1); delta(f,t)=fs*(-1/omega)*angle(R21(f,t)); end end end