... plane of vibration 振动面 ; 振动平面 out-of-plane vibration 面外振动 in-plane bending vibration,β 面内弯曲振动 ...
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out-of-plane bending vibration 面外弯曲振动
out-of plane free vibration 面外自由振动
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.
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。
The wall out-of-plane frequency of vibration is obtained shaking by beating experiment. And the relatively high out-of-plane frequency of vibration is far from the earthquake predominant frequency.
通过敲击试验得到墙体出平面振动频率，该频率相对较高，远离地震动卓越频率。
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