利用等效弹性法分析了压电矩形共振器的二维耦合振动，导出了振子共振频率的解析表达式。
Based on the equivalent elasticity method, the plane coupling vibration of a rectangular piezoelectric ceramic plate was studied and the resonant frequency equation was derived out.
具有热电和压电的双重效应，与人体磁场形成共振共鸣。
Double with thermoelectric and piezoelectric effect, and the formation of the human body magnetic resonance resonance.
说明压电晶体的特性和与压电晶体的共振频率有关的因数，以及脉波-波法的过程。
Explain the characteristics of piezoelectric crystals and the factors relating to the resonant frequencies of a piezoelectric crystal, and the procedure of the pulse-echo method.
它以通常的平板圆形压电晶片作为换能器振子，加上曲面背衬使整个系统达到多共振状态。
It is mainly composed of a PZT plate acting as an oscillator and a curved back liner in order to make the system a state of multi-resonance.
本文讨论了压电陶瓷作动器的性能和基于共振情况下的柔性结构的高频窄带主动隔振技术。
This thesis discusses the performance of the piezo-ceramic actuator and it's active narrowband vibration isolation technique of high frequency flexible structure based on resonant case.
具有热电和压电的双重效应，与人体磁场形成共振共鸣。
With hot electricity and the dual piezoelectric effect, magnetic resonance with the human form.
具有热电和压电的双重效应，与人体磁场形成共振共鸣。
With hot electricity and the dual piezoelectric effect, magnetic resonance with the human form.
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