已知某离散系统的结构图如下图所示
该系统的闭环脉冲传递函数为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/33128320078442c780d466fe4f3a717f.png
该系统的闭环脉冲传递函数为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/33128320078442c780d466fe4f3a717f.png
举一反三
- 已知某系统开环传递函数为 起始角为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/e9cb78c1607943faaf3c22253187890a.png
- 某最小相位系统的对数幅频特性曲线如下所示，写出系统的开环传递函数为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/3f0edd0d4518456895320be18a4e5c9b.png
- 已知某离散系统的结构图如下图所示该系统的闭环脉冲传递函数为
- 已知某系统开环传递函数为 与虚轴的交点为（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/e9cb78c1607943faaf3c22253187890a.png
- 下图所示序列f(k)闭合表示式为http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/e3088842d7014311aa5241014415b8f3.bmp