下图所示的输出采样信号的Z变换C(z)为（）。[img=440x89]18035f793670265.png[/img]
A: [img=180x49]18035f7940de63a.png[/img]
B: [img=180x49]18035f794ad8a4a.png[/img]
C: [img=180x49]18035f79547febe.png[/img]
D: [img=180x49]18035f795e33658.png[/img]
A: [img=180x49]18035f7940de63a.png[/img]
B: [img=180x49]18035f794ad8a4a.png[/img]
C: [img=180x49]18035f79547febe.png[/img]
D: [img=180x49]18035f795e33658.png[/img]
举一反三
- 下图所示的输出采样信号的Z变换C(z)为（）。[img=440x89]18031d9a4c8c761.png[/img] A: [img=180x49]18031d9a5698af5.png[/img] B: [img=180x49]18031d9a616caa6.png[/img] C: [img=180x49]18031d9a6d03318.png[/img] D: [img=180x49]18031d9a7810279.png[/img]
- 下图所示的输出采样信号的Z变换C(z)为（）。[img=440x89]18034a5c5c84961.png[/img] A: [img=180x49]18034a5c6825073.png[/img] B: [img=180x49]18034a5c7479a32.png[/img] C: [img=180x49]18034a5c7ee63b3.png[/img] D: [img=180x49]18034a5c888a64e.png[/img]
- 下图所示的输出采样信号的Z变换C(z)为（）。[img=440x89]1802fc9d9732906.png[/img] A: [img=180x49]1802fc9da2265e3.png[/img] B: [img=180x49]1802fc9dad8f6b3.png[/img] C: [img=180x49]1802fc9db8ae72a.png[/img] D: [img=180x49]1802fc9dc499aed.png[/img]
- 下图所示的输出采样信号的Z变换C(z)为（）。[img=440x89]1803d436d0b0812.png[/img] A: [img=180x49]1803d436db9375b.png[/img] B: [img=180x49]1803d436e562d44.png[/img] C: [img=180x49]1803d436f0298a7.png[/img] D: [img=180x49]1803d436faafceb.png[/img]
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型：{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}