双晶片 twin lamella
- 利用双晶片的弯曲振动模式可以制造出结构简单、成本低廉的电声倍频器、混频器,可适用于整个低频范围。
Useing the bimorph bend vibration mould, a simple and low cost electroacoustic doubler and mixer available for overall low frequency band can be produced. - 详细讨论了压电悬臂梁的数学模型以及受力模型,分别分析了压电双晶片的微位移-电压、夹持力-应变的关系;
In addition, we modeled the piezoelectric bimorph and make the micro-force analyses, and got displacement-voltage relationship and force-strain relationship theoretically. - 采用双晶片探头和电子天平对PZT微力传感器进行静态力标定,进而利用双晶片探头和电荷放大器对PZT微力传感器进行准静态标定,微小信号检测通过锁相放大器来实现。
PZT micro -force sensors were calibrated by bimorph and electronic balance in static state and by bimorph and charge amplifier in dynamic state, small signal was tested by amplifier.
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