• 2022-06-01
    确定信号[img=210x29]180345661106a2e.png[/img]的奈奎斯特间隔为( )
    A: [img=18x39]1803456619a2c4b.png[/img]
    B: [img=18x43]18034566223fdc6.png[/img]
    C: [img=27x43]180345662a95a6f.png[/img]
    D: [img=27x39]180345663399129.png[/img]