Study on quartz crystal plate surface acoustic wave gyroscope

WU Rongxing; WANG Xiaoming; ZHENG Dong

doi:10.13873/J.1000-9787(2021)10-0056-03

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Study on quartz crystal plate surface acoustic wave gyroscope

更新时间：2025-09-11

- Study on quartz crystal plate surface acoustic wave gyroscope
- Issue 10, Pages: 56-58(2021)
- 作者机构：
  
  1. 宁波职业技术学院建筑工程学院
  2. 宁波大学机械与力学学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2021)10-0056-03
  CLC： TH824.3
- Published：2021
- 稿件说明：
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WU Rongxing, WANG Xiaoming, ZHENG Dong. Study on quartz crystal plate surface acoustic wave gyroscope[J]. 2021, (10): 56-58.
DOI：

WU Rongxing, WANG Xiaoming, ZHENG Dong. Study on quartz crystal plate surface acoustic wave gyroscope[J]. 2021, (10): 56-58. DOI： 10.13873/J.1000-9787(2021)10-0056-03.

摘要

建立了考虑陀螺效应的声表面波在半无限大石英晶体和无限大石英晶体板内的传播方程。通过数值计算分别绘制了声表面波波速和旋转频率以及旋转轴角度之间的关系曲线图。计算结果表明

随着旋转频率的增加

获得的波速都在减小

同时绕声表面波传播方向旋转时的陀螺效应对波速影响十分明显。当声表面波在旋转场作用下的无限大石英晶体板内传播时

获得的两个波速随着板厚的增加逐渐趋向于无限大石英晶体的波速。在实际声表面波陀螺效应传感器设计中

可以利用波速、旋转频率和旋转轴角度进行陀螺效应分析。

Abstract

The propagation equations of surface acoustic wave in the semi-infinite quartz crystal and infinite quartz crystal plate is established with consideration of gyroscopic effects.By numerical computation

the wave velocity-rotating frequency curves and wave velocity-rotating axis angle curves have been plotted.Numeric results show that with the increase of rotational frequency

the wave velocities we obtained decreased

and the gyroscopic effects caused by the rotating around the propagation direction of surface acoustic wave has obvious effect on the wave velocities.During surface acoustic wave propagating in the infinite quartz crystal plate with consideration of the effect of rotating fields

the two surface acoustic wave velocities obtained tend to that of semi-infinite quartz crystal with increase of plate thickness.In the actual surface acoustic wave gyroscopic effect sensor design

gyroscopic effect can be analyzed based on wave velocities

rotating frequency and rotating axis angle.

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