• 2022-06-08
    若某系统的传递函数为[img=111x45]1802f753f38b6fa.png[/img],则其频率特性的实部R(ω)是( )
    A: [img=70x45]1802f753fc151e9.png[/img]
    B: [img=86x45]1802f75404db13a.png[/img]
    C: [img=53x45]1802f7540e0a99c.png[/img]
    D: [img=69x45]1802f75416c9b6c.png[/img]