【单选题】关于因果稳定离散时间LTI系统,以下说法错误的是_____。
A.
其系统函数的收敛域可能是有限 z 平面内的环状区域
D.
其单位脉冲响应的双边 z 变换与单边 z 变换的结果相同
【简答题】死腔样通气(dead space like ventilation)
【简答题】The United States is full of 1 . There are still many families without cars, but some families have two or even more. However, cars are used for more than pleasure. They are 2 part of life. Cars are u...
【单选题】关于因果稳定离散时间LTI系统,以下说法错误的是 。
A.
其单位脉冲响应的双边Z变换与单边Z变换的结果相同
B.
其系统函数的收敛域可能是有限Z平面 内的环状区域
【单选题】They have offices in the ___________ heart of the city.
【简答题】The United States is full of automobiles. There are still many families without cars, but some families have two or even more. However, cars are used for more than pleasure. They are a necessary part ...