... 导纳圆 admittance circle 导纳圆图 admittance chart 导频电流 pilot current ...
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本文介绍微机作阻抗导纳圆图的基本方法。
This paper introduce the basic method of drawing the circular chart of impedance and admittance by microcomputer.
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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