设闭环离散系统如图所示，试求闭环脉冲传递函数[img=50x25]1803d41f816f4ff.png[/img]（ ）[img=361x197]1803d41f8c89d73.png[/img]
A: [img=204x49]1803d41f9842f1c.png[/img]
B: [img=235x49]1803d41fa2a8215.png[/img]
C: [img=257x49]1803d41fad674d6.png[/img]
D: [img=251x49]1803d41fb80f456.png[/img]
A: [img=204x49]1803d41f9842f1c.png[/img]
B: [img=235x49]1803d41fa2a8215.png[/img]
C: [img=257x49]1803d41fad674d6.png[/img]
D: [img=251x49]1803d41fb80f456.png[/img]
举一反三
- 设闭环离散系统如图所示，试求闭环脉冲传递函数[img=50x25]18035f62aba893b.png[/img]（ ）[img=361x197]18035f62b6e7422.png[/img] A: [img=204x49]18035f62c0c378f.png[/img] B: [img=235x49]18035f62cbca2cf.png[/img] C: [img=257x49]18035f62d616a65.png[/img] D: [img=251x49]18035f62e11363d.png[/img]
- 设闭环离散系统如图所示，试求闭环脉冲传递函数[img=50x25]1802fc86f12f314.png[/img]（ ）[img=361x197]1802fc86fb35166.png[/img] A: [img=204x49]1802fc87064afd2.png[/img] B: [img=235x49]1802fc87104c2fd.png[/img] C: [img=257x49]1802fc871a51d5b.png[/img] D: [img=251x49]1802fc8724b5c38.png[/img]
- 设闭环离散系统如图所示，试求闭环脉冲传递函数[img=50x25]18031d837def80f.png[/img]（ ）[img=361x197]18031d838884419.png[/img] A: [img=204x49]18031d8392a573c.png[/img] B: [img=235x49]18031d839e36055.png[/img] C: [img=257x49]18031d83a934dd1.png[/img] D: [img=251x49]18031d83b3103d6.png[/img]
- 设闭环离散系统如图所示，试求闭环脉冲传递函数[img=50x25]1803d41f816f4ff.png[/img]（ ）[img=361x197]1803d41f8c89d73.png[/img] 未知类型：{'options': ['', '', '', ''], 'type': 102}
- 设X的密度函数为f(x)，分布函数为F(x)，且f(x)是偶函数，则有 A: [img=235x53]1803b3ba8e4e24a.png[/img] B: [img=248x66]1803b3ba9822ce1.png[/img] C: F(−x)= F(x) D: F(−x)=2F(x)−1