用matlab做卷积,为什么输出的图像坐标放大了采样间隔的倒数倍?_百度知 ...答:p=0.01;t1=-0.5:p:2;t2 = 0:p:2;x = heaviside(t1+0.5)-heaviside(t1-1);h=0.5*t2;subplot(311),plot(t1,x);axis([-0.5 2 0 1.5]);subplot(312),plot(t2,h);axis([0 2 0 2]);subplot(313),plot(conv(h,x));set(gca,'xlim',[0 5],'ylim',[0 1]);你...