已知x(t)的拉氏变换为[img=161x47]18035f7900b78f4.png[/img],则x(t)的Z变换为()
A: [img=213x51]18035f790be84dc.png[/img]
B: [img=224x51]18035f791672f34.png[/img]
C: [img=233x51]18035f7920f8e8d.png[/img]
D: [img=213x51]18035f792b7ea1d.png[/img]
A: [img=213x51]18035f790be84dc.png[/img]
B: [img=224x51]18035f791672f34.png[/img]
C: [img=233x51]18035f7920f8e8d.png[/img]
D: [img=213x51]18035f792b7ea1d.png[/img]
举一反三
- 已知x(t)的拉氏变换为[img=161x47]1802fc9d60f0936.png[/img],则x(t)的Z变换为() A: [img=213x51]1802fc9d6beb4cf.png[/img] B: [img=224x51]1802fc9d7664cbc.png[/img] C: [img=233x51]1802fc9d80de42c.png[/img] D: [img=213x51]1802fc9d8c2ee43.png[/img]
- 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]
- 已知x(t)的拉氏变换为[img=161x47]1803d4369aef488.png[/img],则x(t)的Z变换为() A: [img=213x51]1803d436a471a10.png[/img] B: [img=224x51]1803d436aefd196.png[/img] C: [img=233x51]1803d436ba9170e.png[/img] D: [img=213x51]1803d436c5f253e.png[/img]
- 若f(x)+f(-x)=0, 则[img=95x39]17da608af452d96.jpg[/img]. 若f(x)=f(-x), 则 [img=170x38]17da60541207426.jpg[/img]
- 已知F(x)是f(x)的一个原函数,则[img=79x37]17e0a9ce46a20da.jpg[/img]? A: f(x)+C B: F(x)+C C: F(x)-f(x) D: CF(x)