如果f(t)的傅立叶变换为F(jω),则f(-t)的傅立叶变换一定为F(-jω)。
如果f(t)的傅立叶变换为F(jω),则f(-t)的傅立叶变换一定为F(-jω)。
相关考题:
已知x1(t)和x2(t)的傅里叶变换分别为X1(f)和X2(f),则卷积x1(t)*x2(t)的傅里叶变换为()。 A、X1(f)X2(f)B、X1(f)*X2(f)C、X1(-f)X2(-f)D、X1(-f)*X2(-f)
Iff1(t)←→F1(jω),f2(t)←→F2(jω),Then()A、f1(t)*f2(t)←→F1(jω)F2(jω)B、f1(t)+f2(t)←→F1(jω)F2(jω)C、f1(t)f2(t)←→F1(jω)F2(jω)D、f1(t)/f2(t)←→F1(jω)/F2(jω)
单选题Iff1(t)←→F1(jω),f2(t)←→F2(jω),Then()Af1(t)*f2(t)←→F1(jω)F2(jω)Bf1(t)+f2(t)←→F1(jω)F2(jω)Cf1(t)f2(t)←→F1(jω)F2(jω)Df1(t)/f2(t)←→F1(jω)/F2(jω)
单选题将信号f(t)变换为()称为对信号f(t)的尺度变换。Af(at)Bf(t–k0)Cf(t–t0)Df(-t)