给定被控系统的状态方程为[img=126x51]18035f744be1bb4.png[/img]则能使闭环系统的极点配置在-2±j处的状态反馈阵K为:()
A: [img=100x51]18035f74538241d.png[/img]
B: [img=110x51]18035f745bbff05.png[/img]
C: [img=110x51]18035f7463b1595.png[/img]
D: [img=100x51]18035f746c2db96.png[/img]
A: [img=100x51]18035f74538241d.png[/img]
B: [img=110x51]18035f745bbff05.png[/img]
C: [img=110x51]18035f7463b1595.png[/img]
D: [img=100x51]18035f746c2db96.png[/img]
举一反三
- 给定被控系统的状态方程为[img=126x51]1802fc989bc68ad.png[/img]则能使闭环系统的极点配置在-2±j处的状态反馈阵K为:() A: [img=100x51]1802fc98a3b18b1.png[/img] B: [img=110x51]1802fc98acb312a.png[/img] C: [img=110x51]1802fc98b61f10e.png[/img] D: [img=100x51]1802fc98be9063a.png[/img]
- 给定被控系统的状态方程为[img=126x51]1803d431be57f4a.png[/img]则能使闭环系统的极点配置在-2±j处的状态反馈阵K为:() A: [img=100x51]1803d431c641475.png[/img] B: [img=110x51]1803d431ceec5fa.png[/img] C: [img=110x51]1803d431d75c0ae.png[/img] D: [img=100x51]1803d431dfce041.png[/img]
- 给定被控系统的状态方程为[img=126x51]18031d953bf94de.png[/img]则能使闭环系统的极点配置在-2±j处的状态反馈阵K为:() A: [img=100x51]18031d95444b136.png[/img] B: [img=110x51]18031d954cf33ac.png[/img] C: [img=110x51]18031d9555753a0.png[/img] D: [img=100x51]18031d955d4c499.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]1802d3b369ab5fe.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]1802d3b372fb534.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]1802d3b37bbbf05.png[/img]
- 设随机变量X服从均值为2的指数分布,X的分布函数为F(x),数学期望为E(X),方差为D(X),则以下结果正确的是 A: [img=128x28]18034b986fbc78a.png[/img] B: D(X)=4 C: P(X<2︱X>1)=F(1) D: P(X>2︱X>1)= F(1) E: [img=112x27]18034b98781508a.png[/img] F: D(X)=E(X) G: P(X≤2︱X>1)= F(2) H: [img=82x27]18034b9880d080a.png[/img]