单项选择题
选出系统1/[(S+1)(S+2)]的相频特性表达式()。
A.-arctgw-arctg0.5w
B.-arctgw-arctg2w
C.-arctgw+arctg0.5w
D.arctgw-arctg0.5w
点击查看答案

单项选择题
A.-arctgw-arctg0.5w
B.-arctgw-arctg2w
C.-arctgw+arctg0.5w
D.arctgw-arctg0.5w
微信扫一扫,加关注免费搜题