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一单位反馈系统的开环Bode图已知,其幅频特性在低频段是一条斜率为的渐近直线,且延长线与0dB线的交点频率为=5,则当输入为0.5 时,其稳态误差为( )

A、0.1

B、0.2

D、0.5

时间：2021-07-17 23:35 关键词：安全工程专升本机械安全工程 2019级毕业清考（考试分）

答案解析

A

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