The low-voltage driving circuit is adopted to drive a piezoelectric ceramic phase shifter to shift the phase of the reference beam, so as to make the instrument lighter, smaller and cheaper.
采用低压驱动电路驱动压电陶瓷相移器对参考光束进行相移，从而使仪器质量减轻、体积缩小、成本降低。
2
This paper introduces the study of a new ice sensor based on piezoelectric devices. The paper discusses the work principle, design of circuit and measuring operation characteristics.
介绍了一种采用压电器件为核心元件的新型冰传感器。讨论了其工作原理、测量电路设计以及测量工作特性。
3
The vibration behaviour of piezoelectric ceramic resonators with thickness expansion mode is analyzed and its equivalent circuit is obtained.