• 2022-06-01
    确定信号[img=210x29]18036848731345c.png[/img]的奈奎斯特间隔为( )
    A: [img=18x39]180368487bba775.png[/img]
    B: [img=18x43]1803684884bdd55.png[/img]
    C: [img=27x43]180368488cebdfa.png[/img]
    D: [img=27x39]1803684894b17d6.png[/img]