依据四端网络的基本原理，利用力电类比的方法，给出了复合变幅杆的等效电路图；
Based on the theory of four-end network, the equivalent electric circuit diagrams of the horn are given by using the analogous method between methanical force and electric.
在负载为纯力抗的状况下，利用纵振型变幅杆等效四端网络，对频率方程和放大系数进行了研究。
Based on equivalent four-terminal networks of the longitudinal ultrasonic transformer, the resonant frequency equation and the amplitude magnification coefficient, with reactive load, are studied.
以四端网络的端口特性为依据，提出了双口网络的补充方程。应用该方程得出了双口网络联接的有效性条件。
The extended equations of two-port network are given on the basis of the four-terminal characteristic. The effective conditions of two-port network connection are presented.
以四端网络的端口特性为依据，提出了双口网络的补充方程。应用该方程得出了双口网络联接的有效性条件。
The extended equations of two-port network are given on the basis of the four-terminal characteristic. The effective conditions of two-port network connection are presented.
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