와 을 가정하자.

을 계산하기 위해 을 이용하여 중첩 보류법을 구현해보자.

ex5_18.cem

% Chapter 05: Example-5.18: Overlap and save%n = 0:9;
x = n+1; Lenx = length(x);
h = [1,0,-1]; M = 3; M1 = M-1; L = N-M1;
N = 6; 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<K;k++){	
	xk = x(k*L+1:k*L+N);
	Y(k+1,:) = circonvo(xk,h,N);
}
Y = Y(:,M:N)'
y = (Y(:))'