• 2021-04-14
    系统状态空间描述如下所示,下列说法正确的是( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/9ca03b3227094586a128e9380f81ab54.png
  • 该系统通过状态反馈不能使闭环系统变为渐近稳定通过状态反馈可以使闭环系统的特征值配置在{-2,-2,-2,-2,2}

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    内容

    • 0

      给定一个连续时间线性时不变系统,已知,<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/bdfabdb79f554a658d36ec905432ec8b.png" />,输入为单位阶跃函数,则状态响应为()。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/2064d85499a24636b401e8009542e903.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/b1b274bff09b4481b761a6aa2281fff2.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/5cc7424992b644e49f5b93aa85e59b8a.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/cb648b20892848869052d705c0e68156.png" />

    • 1

      关于下列系统描述正确的为( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/c3392ce1a7064281924538e3ded1e526.png

    • 2

      已知<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/43114282e941476ba93775909fb3f237.png"/>,用拉氏变换法求解微分方程<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/0db291610cb64fa8ad46ae0bd15476b0.png"/> 的结果为( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/29ff68f02bdd438bb2e16c2a6e1ec18b.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/0010c1593c9145a4b928548ab38cf426.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/1f562f2536584121b53c30e4db08df88.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/f593399cb630435192baa8b3e871b533.png"/>

    • 3

      已知下列传递函数<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/52a69b746f6d4543a289093c286ea763.png" />则是其能控规范形实现的为()。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/5cbf894bf07b4884bd0e9a8339005832.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/063b93d5e1794cc7b2e0854e9c8d16e1.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/b02c120bde7746a68c1d324058f99bec.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/48b05a371844434b84dfa6dbae612c74.png" />

    • 4

      已知串联支路为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/65b91bc067d14873a38d0c4675b53329.png"/> , ,则其传递函数为( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/8bc361d7b437451dac5c0c42c3213311.png"/> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/7db9751653e24eba9f152b6937c8c256.png"/> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/a4b7ab7e122b40068ce6b78635486bae.png"/> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201902/a6b34e5a8a764d5c9b78c725d7b77ed4.png"/>