阳春白雪

摘要： 1.两个时限信号的卷积：x(t),t0<=t<=t1和h(t),t2<=t<=t3,用y(t)来表示他们的卷积结果y(t)的时间范围是t0+t2<=t<=t1+t3;用y=dt*conv(x,h)求得卷积。dt=0.01;t=-1:dt:2;x=u(t)-u(t-1);h=t.*(u(t)-u(t-1));y=dt*conv(x,h);subplot(221),plot(t,x),grid ontitle('x(t)'),axis([-1,2,-0.2,1.2]),xlabel('t')subplot(222),plot(t, 阅读全文