• 2022-06-07
    已知x(t)的拉氏变换为[img=161x47]18031d9a101fce8.png[/img],则x(t)的Z变换为()
    A: [img=213x51]18031d9a1b5049d.png[/img]
    B: [img=224x51]18031d9a26d3676.png[/img]
    C: [img=233x51]18031d9a318860c.png[/img]
    D: [img=213x51]18031d9a3bdf264.png[/img]