impseq.m

来自「介绍了一些数字信号处理方面的matlab程序」· M 代码 · 共 12 行

function [x,n] = impseq(n0,n1,n2)
% 产生 x(n) = delta(n-n0); n1 <= n,n0 <= n2
% ----------------------------------------------
% [x,n] = impseq(n0,n1,n2)
%
if ((n0 < n1) | (n0 > n2) | (n1 > n2))
	error('参数必须满足 n1 <= n0 <= n2')
end
n = [n1:n2];
%x = [zeros(1,(n0-n1)), 1, zeros(1,(n2-n0))];
x = [(n-n0) == 0];