如果f(t)=M(t)·n(t),则F[f(t)]=()
如果f(t)=M(t)·n(t),则F[f(t)]=()
A、F[M(t)]*F[n(t)]
B、F[M(t)]·F[n(t)]
C、F[M(t)]*F[n(t)]/2π
D、F[M(t)]·F[n(t)]/2π
正确答案:F[M(t)]*F[n(t)]/2π
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时间:2024-04-05 21:26:19