在建立了该系统的动力学模型的基础上，讨论了以阻抗矩阵表示的二端口网络结构，稚导了相应的网络特性参数。
On the basis of establishing the dynamic model of the system, a 2-port network structure demonstrated with impedance matrix is discussed and the related network performance parameters are deduced.
目前测量相参激励下二端口网络输入阻抗常用的方法是，先用二端口网络分析仪测量网络的散射矩阵S，再将散射矩阵S转化为阻抗矩阵Z，最后求出不同相参激励下各端口的输入阻抗。
The common measurement of the two-port network'input impedance is to measure the S parameter, then Z parameter is calculated by the relation of S and Z, finally the input impedance is gained by the Z.
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