你好,假如x是信号,h是卷积核,要生成y:
x=[1,2,0,0]; h = [0,0.8,0.6,0.4]; nh = length(h); y = zeros(1,length(x)+nh-1); x = [zeros(1,nh-1), x, zeros(1,nh-1)]; for i = 1:1:numel(y) y(i) = sum(x(i:nh+i-1).*h(end:-1:1)); end stem(y)