• 2022-06-19
    ‎当FIR数字滤波器的单位脉冲响应h(n)(长度为N)满足h(n)=h(N-1-n)时,该FIR数字滤波器具有线性相位,即[img=34x25]1802e416915f36e.png[/img]= 。‎
    A: [img=59x44]1802e41699713dc.png[/img]
    B: [img=75x44]1802e416a24496b.png[/img]
    C: [img=79x44]1802e416ab98b7b.png[/img]
    D: [img=83x44]1802e416b44707e.png[/img]