求函数的卷积f1(t)*f2(t)。f1(t)=tε(t),f2(t)=ε(t)A.()½t²ε(t)()B.()½tε(t)()C.()t²ε(t)()D.()½t³ε(t)
求函数的卷积f1(t)*f2(t)。f1(t)=tε(t),f2(t)=ε(t)
A、()½t²ε(t)()
B、()½tε(t)()
C、()t²ε(t)()
D、()½t³ε(t)
发布时间:2025-08-07 16:34:50
求函数的卷积f1(t)*f2(t)。f1(t)=tε(t),f2(t)=ε(t)
A、()½t²ε(t)()
B、()½tε(t)()
C、()t²ε(t)()
D、()½t³ε(t)