dconv.m

信号与系统分析以matlab实现

function [f,k] = dconv(f1,f2,k1,k2)
k0= k1(1)+k2(1);
%k3 = k1(length(f1)) + k2(length(f2));
k3=length(f1)+length(f2)-2+k0;
k= [k0:k3];
f = conv(f1,f2);