一系统的传递函数为,则其相位角可表达为( ) -题库考试答案搜索网

一系统的传递函数为,则其相位角可表达为( )

单选题

2021-07-17 23:35

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15177952342504eb31d1c508848da84f11dfee1684927image48.png"/>
B、 <img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15177952343313eef132e897c40da8405dd98981d7015image49.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517795234403281b2c9713994d059c06c004ee7b170aimage50.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1517795234469f74268704ea84cacb8860abbde64aeedimage51.png"/>

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正确答案

B

试题解析

标签：安全工程专升本机械安全工程 2019级毕业清考（考试分）

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