• 2022-06-19
    若某连续函数的拉氏变换[img=57x42]1803a1f5b471a67.jpg[/img],[img=63x44]1803a1f5c06e4bb.jpg[/img],则该函数的傅里叶变换为( )
    A: [img=92x35]1803a1f5c976fbd.png[/img]
    B: [img=37x35]1803a1f5d245088.png[/img]
    C: [img=44x41]1803a1f5db0f2f0.png[/img]
    D: 傅里叶变换不存在