题目
已知 f(t) rightarrow F(jomega),则 e^jell f(3-2t) 的傅里叶变换是( )A. (1)/(2) e^-j(3(omega-1))/(2) F(j(1-omega)/(2))B. (1)/(2) e^-j(3(1-omega))/(2) F(j(1-omega)/(2))C. (1)/(2) e^-j(3(1-omega))/(2) F(j(omega-1)/(2))D. (1)/(2) e^-j(3(omega-1))/(2) F(j(omega-1)/(2))
已知 $f(t) \leftrightarrow F(j\omega)$,则 $e^{j\ell} f(3-2t)$ 的傅里叶变换是( )
A. $\frac{1}{2} e^{-j\frac{3(\omega-1)}{2}} F\left(j\frac{1-\omega}{2}\right)$
B. $\frac{1}{2} e^{-j\frac{3(1-\omega)}{2}} F\left(j\frac{1-\omega}{2}\right)$
C. $\frac{1}{2} e^{-j\frac{3(1-\omega)}{2}} F\left(j\frac{\omega-1}{2}\right)$
D. $\frac{1}{2} e^{-j\frac{3(\omega-1)}{2}} F\left(j\frac{\omega-1}{2}\right)$
题目解答
答案
A. $\frac{1}{2} e^{-j\frac{3(\omega-1)}{2}} F\left(j\frac{1-\omega}{2}\right)$