Based on the equivalent elasticity method, the plane coupling vibrationof 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。
2
The wall out-of-plane frequency ofvibration is obtained shaking by beating experiment. And the relatively high out-of-plane frequency of vibration is far from the earthquake predominant frequency.