ovrlpsav.m

关于数字信号处理的一些matlab例程

function [y]=ovrlpsav(x,h,N)
lenx=length(x);M=length(h);
M1=M-1;L=N-M1;
h=[h zeros(1,N-M)];
x=[zeros(1,M1),x,zeros(1,N-1)];
K=floor((lenx+M1-1)/(L));
Y=zeros(K+1,N);
for k=0:K
xk=x(k*L+1:k*L+N);
Y(k+1,:)=circonvt(xk,h,N);
end
Y=Y(:,M:N)';
y=(Y(:))';