convlov.m

自己编写的自适应notch fileter算法

n=1:20;
x=zeros(1,20);
h=zeros(1,20);
h1=zeros(1,20);
x=n.*(stepseq(0,0,19)-stepseq(15,0,19));
h1=stepseq(0,0,19)-stepseq(10,0,19);
h=0.4.^n.*h1;
y=conv(x,h);
n=length(y);
x=[x,zeros(1,n-length(x))];
h=[h,zeros(1,n-length(h))];
n=1:n;
subplot(311)
stem(n,x);
title('input');
subplot(312)
stem(n,h);
title('冲击响应');
subplot(313)
stem(n,y);
title('output');