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f(t)=tu(t)e[^](-at)(a>0)的傅里叶变换是( )。

单选题
2021-09-06 21:01
A、1/(a-iw)
B、1/(a-iw)^2
C、1/(a+iw)
D、1/(a+iw)^2
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正确答案
D

试题解析

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