对于最小相位系统而言,当频率ω=∞时,其相位角为()。A.-(n-m)×90°B.-(m-n)×90°C.-(n-m)×45°D.-(m-n)×45°
对于最小相位系统而言,当频率ω=∞时,其相位角为()。
A.-(n-m)×90°
B.-(m-n)×90°
C.-(n-m)×45°
D.-(m-n)×45°
相关考题:
8、系统有n个开环极点,m个开环零点,则有()条根轨迹条根轨迹趋于无穷远点,其渐近线与实轴的交点为(),与虚轴的交点为()。A.m-n,(开环极点和-开环零点和)/(m-n), (2k+1)/(m-n)B.n-m,(开环极点和-开环零点和)/(n-m), (2k+1)/(n-m)C.n-m,(开环零点和-开环极点和)/(n-m), (2k+1)/(n-m)D.m-n,(开环零点和-开环极点和)/(m-n), (2k+1)/(m-n)
【单选题】4.-نەگە ماڭدىڭلار؟正确回答是()A.-سىرتنى،سىلەرچۇ؟B.-سىرتقا،سىلەرچۇ؟C.-سىرتكە،سىلەرچۇ؟D.-سىرتتا،سىلەرچۇ؟