已知Z变换[img=153x44]1803dcb3cf73475.png[/img],收敛域[img=52x25]1803dcb3d8cab91.png[/img],则逆变换[img=38x29]1803dcb3e1fdbad.png[/img]为()
A: [img=55x29]1803dcb3ea43421.png[/img]
B: [img=78x29]1803dcb3f3929e9.png[/img]
C: [img=91x29]1803dcb3fd1a294.png[/img]
D: [img=106x29]1803dcb405c5469.png[/img]
A: [img=55x29]1803dcb3ea43421.png[/img]
B: [img=78x29]1803dcb3f3929e9.png[/img]
C: [img=91x29]1803dcb3fd1a294.png[/img]
D: [img=106x29]1803dcb405c5469.png[/img]
举一反三
- 已知Z变换[img=153x44]18035675a758dff.png[/img],收敛域[img=52x25]18035675af78d71.png[/img],则逆变换[img=38x29]18035675b7d8c16.png[/img]为() A: [img=55x29]18035675c0a5081.png[/img] B: [img=78x29]18035675c87a476.png[/img] C: [img=91x29]18035675d244d2e.png[/img] D: [img=106x29]18035675daf82ae.png[/img]
- 已知Z变换[img=153x44]180345625557de6.png[/img],收敛域[img=52x25]180345625d4b0f3.png[/img],则逆变换[img=38x29]18034562658561c.png[/img]为() A: [img=55x29]180345626de3b0d.png[/img] B: [img=78x29]18034562772b9c5.png[/img] C: [img=91x29]18034562807a19c.png[/img] D: [img=106x29]180345628922937.png[/img]
- 已知Z变换[img=153x44]1803aff10ad7bc9.png[/img],收敛域[img=52x25]1803aff1140d4bd.png[/img],则逆变换[img=38x29]1803aff11c5c96b.png[/img]为() A: [img=55x29]1803aff1242b05a.png[/img] B: [img=78x29]1803aff12c96733.png[/img] C: [img=91x29]1803aff135445d0.png[/img] D: [img=106x29]1803aff13ce75a9.png[/img]
- 已知Z变换[img=153x44]180317268e0a232.png[/img],收敛域[img=52x25]180317269689830.png[/img],则逆变换[img=38x29]180317269eea230.png[/img]为() A: [img=55x29]18031726a6d62e9.png[/img] B: [img=78x29]18031726af3702c.png[/img] C: [img=91x29]18031726b715dc0.png[/img] D: [img=106x29]18031726c00816a.png[/img]
- 已知z变换[img=144x44]18030d709690655.png[/img],收敛域|z|>3,则其逆变换x(n) A: [img=53x25]18030d709f1728f.png[/img] B: [img=84x25]18030d70a737ec4.png[/img] C: [img=81x25]18030d70b1276eb.png[/img]) D: [img=121x26]18030d70b9de3af.png[/img]