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
举一反三
- 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
- 已知某系统开环传递函数为 有( )条分支,( )条渐近线。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/e9cb78c1607943faaf3c22253187890a.png
- 已知某最小相位系统的开环相频特性为 确定相角裕度为30°时的开环传递函数为( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/333ebb35c1be40acaad86070b920d094.png
- 已知单位负反馈系统的开环传递函数 是则该系统( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/6e047bba6ae74409b1f6610e45001be2.png
- 已知某系统的开环传递函数为 其对应的开环幅相曲线为如下图,判断系统的稳定性()http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/c7a7adfda871420a9635bfc33fd0eb48.png