• 2022-06-19
    如果函数f(x)的傅里叶变换是[img=38x25]1803bcc8300d18b.png[/img],那么函数[img=57x25]1803bcc839d21b1.png[/img]的傅里叶变换是
    A: [img=65x43]1803bcc84247fce.png[/img]
    B: [img=81x43]1803bcc84a45ea3.png[/img]
    C: [img=49x43]1803bcc8525ed9d.png[/img]
    D: [img=65x43]1803bcc85a8437c.png[/img]
    E: [img=49x43]1803bcc862b3f05.png[/img]
    F: [img=65x43]1803bcc86bace50.png[/img]
  • 举一反三