已知某系统的网络函数 ,则网络函数的零点和极点为（ ）。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/1c8e19831e3f4639be7e58910fdfa06f.png
举一反三
- 已知某系统的网络函数 ,则网络函数的零点和极点为（ ）。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/1c8e19831e3f4639be7e58910fdfa06f.png
- 某系统的单位冲激响应为 , 系统的网络函数为 （ ）。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/f0f9908a2eb34d4c8f13ff75182db4e9.png
- 如下图所示系统函数的零点、极点分布图，该系统为最小相移网络函数。()<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/202002/5d9cf136a00c43c4af7fa310416ef140.png" />
- 已知某网络函数单位冲激响应如图所示，则网络函数表达式可能为（ ） 。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1ea32deea3ff4a79adbdf2fd1d50f685.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3daa0643dbc0480582ecdded649049b2.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/38da044f0efb404a840b6cad69f53996.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/97e060f9767b46cbaa03ec6a04f8baed.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/fc42e852a3ca49ff9fcb9d5efe69a1a9.png" />
- 已知逻辑函数<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/db3f3ede53184bb3a37a766a36125eab.png" /> 与其相等的函数为 ____。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/b9f375a5635e41d6911d97ab27bfe708.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/bc54dac1e08f483e88b86be39ec320b1.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/da4ddc58a62f4f35b2fe27419d3e7023.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9aea77b2ed814b77aed36f7301cd7625.png" />