5.已知y(t)=f(t)* h()= f(r)h(t- r)d则f(-t)※h(-t)f(t)w h'(t)=(3t)*h(3t)=果请用y(t)表示)
5.已知y(t)=f(t)* h()= f(r)h(t- r)d则f(-t)※h(-t)f(t)w h'(t)=(3t)*h(3t)=果请用y(t)表示)
发布时间:2025-07-22 23:49:35
5.已知y(t)=f(t)* h()= f(r)h(t- r)d则f(-t)※h(-t)f(t)w h'(t)=(3t)*h(3t)=果请用y(t)表示)