本文讨论三相单向换能器等效电路模型和制作调整。
An equivalent circuit model of these 3-phase unidirectional transducers is discussed as well as their adjustment and fabrication.
同时介绍了超声波换能器(探头)及其等效电路。
It also introduces ultrasonic transducer and its equivalent circuit.
分析压电式超声波换能器的等效电路，并由等效电路输入阻抗的导纳圆图确定了换能器的元器件参数以及谐振频率、机械品质因数和工作带宽等特征参量。
The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
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