对偏差信号进行采样的离散系统，其闭环脉冲传递函数与连续系统的闭环传递函数有如下关系
。（）
。（）
举一反三
- 对偏差信号进行采样的离散系统，其闭环脉冲传递函数与连续系统的闭环传递函数有如下关系[img=103x21]17d60d2b5085b3f.png[/img]。（）
- 下列结论错误的是（） A: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处连续，则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处可导 B: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不连续，则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不可导 C: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处可导，则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处连续 D: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不可导，则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处也可能连续
- 设<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/995e39f9a3eb4d63889fb16f7a71ab39.png" />此复合函数由（ ）简单函数复合而成。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/c05e1e0bb27a44ea9923d749b2a7590d.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7f6ba3596d1d4a3a8fe2bccb09ef5923.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/47a1f97cbc454d3dad189540f3ae1209.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/61c1ed05a21b47528fcebcfe7ffe85f9.png" />
- 通过点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/a13927df1bf542dfa036a32b10364f69.png" />的拉格朗日插值基函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/65695a42c7a14b649b6aa4fb68f7e499.png" />满足( ) A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />＝1，<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7769611ac5cd4c93975be7c41a49ae71.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />＝1，<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7769611ac5cd4c93975be7c41a49ae71.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />＝0，<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7769611ac5cd4c93975be7c41a49ae71.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />=0，<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/f80e8e400f3f4916bcaf6b5fde757f16.png" />
- 设系统的初始条件为零，其微分方程为：<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/9c4c212cc1594dd19dcfc992512ba0e1.png" />，则_____。() A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3f8dd968db6e49f5a261281ea5f038bc.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/a73ceb98e53043eb9817c3014694d0b3.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/cfbf541fa5504f819df5429a3c181a0d.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/404ca95df5b34ade860d159893fbb0e2.png" />