对四端对阻抗测量仪在其使用频段内进行校准，须确定四端对标准电容器的频率特性。
The calibration of four-terminal-pair(4TP) impedance meters at their working frequencies requires the knowledge of 4TP standard capacitor frequency characteristic.
然后，借助于研制的精密四端对-单端口转换器，用四端对阻抗测量仪测量单端口电容器容量值；
Secondly, with the aid of developed 4TP-single-terminal-port transform device, capacitance value of single-terminal-port capacitor is measured by 4TP impedance instrument.
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.
通过对机电系统相似模拟法探讨，利用四端参数法解决了粉碎机主轴扭矩响应求解问题。
This paper discusses the similarity method of imitating mechanical and electrical system, and with the help of four terminal parameter it also analyzes the main shaft torque response of grinder.
通过对机电系统相似模拟法探讨，利用四端参数法解决了粉碎机主轴扭矩响应求解问题。
This paper discusses the similarity method of imitating mechanical and electrical system, and with the help of four terminal parameter it also analyzes the main shaft torque response of grinder.
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