成考院校在线答案
- 2023-02-12 [判断] 35、系统的型次取决于系统开环传递函数分母的阶次。( )
- 2023-02-12 [判断] 38、最大超调量反映控制系统的阻尼特性。( )
- 2023-02-12 [判断] 40、在时域分析中，正弦信号常作为基本输入信号来分析系统性能。( )
- 2023-02-12 [单选] 5、已知<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406111744_64.png" width="auto" height="auto" style="max-width:100%">，当<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406120148_83.png" width="auto" height="auto" style="max-width:100%">时<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406111807_537.png" width="auto" height="auto" style="max-width:100%">的值为( )
- 2023-02-12 [单选] 15、设积分环节的传递函数为<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406142303_91.png" width="auto" height="auto" style="max-width:100%">，则其频率特性幅值<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406133917_251.png" width="auto" height="auto" style="max-width:100%">( )
- 2023-02-12 [单选] 16、系统的传递函数<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406133452_386.png" width="auto" height="auto" style="max-width:100%">，则系统的增益为( )
- 2023-02-12 [单选] 18、设开环系统频率特性为：<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406132630_971.png" width="auto" height="auto" style="max-width:100%">，当<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406132742_614.png" width="auto" height="auto" style="max-width:100%">时，其频率特性幅值<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406141230_219.png" width="auto" height="auto" style="max-width:100%">( )
- 2023-02-12 [单选] <img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406132333_549.png" width="auto" height="auto" style="max-width:100%">19、为单位阶跃函数，则<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406140725_215.png" width="auto" height="auto" style="max-width:100%">( )
- 2023-02-12 [单选] 22、正弦函数<img alt="image" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20220406/20220406133529_848.png" width="auto" height="auto" style="max-width:100%">的拉普拉斯变换为( )
- 2023-02-12 [判断] 30、对系统实施校正的目的是改善系统的性能。( )