ndelay.m

里面囊括了基于matlab滤波器设计的各种.m文件

 %
% y = ndelay(x,N)
% Make signal(vector) x negative delay
% N units. In fact, add N zeros behind
% x.
%


function y = ndelay(x,N)

if size(x,1) > 1
  y = [x;zeros(N,1)];
else
  y = [x,zeros(1,N)];
end