如果二阶振荡环节的对数幅频特性曲线存在峰值，则阻尼比的值为（）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/9469a93e53d3444fa2200e887d4e2889.png
举一反三
- 如果二阶振荡环节的对数幅频特性曲线存在峰值，则阻尼比 的值为（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/9469a93e53d3444fa2200e887d4e2889.png
- 如果二阶振荡环节的对数幅频特性曲线存在峰值，则阻尼比的值为（）。http://i...a2200e887d4e2889.png
- 欠阻尼二阶系统，无阻尼自然振荡频率越大，超调量将（ ）。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6b0f443f18c949c7b9678bd6817526ed.png
- 以下属于典型二阶欠阻尼系统的是。（ ） A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/17af3a9e051c466584b8cec615049edd.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/6c04a26728e34a868e6efa4d4043d018.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/7c45b6ba62234c5e978202c49dd4b455.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/8f6cf90035484380beadadba728063ac.png" />
- 零初始条件下系统的微分方程如下0.2<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/a9016a8e310743f2bd58d7f9c8d9d679.png" />，则系统的传递函数为（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/a4bea77a2206422f94416a8b92b1ae1b.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/8012e0d7f6374e61aeb25b284d85b182.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/9ba5daef946e4f8aa8a46e162da7a01d.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201904/0282eee3912a4d9586d3d28f4fbfc4b1.png" />