• 2022-06-12
    离散时间单位延迟器的单位序列响应为 ( )
    A: [img=84x46]180330f3d643558.png[/img]
    B: [img=108x46]180330f3ddf9c46.png[/img]
    C: [img=114x43]180330f3e688e21.png[/img]
    D: [img=76x51]180330f3eea5f10.png[/img]