Application of wavelet analysis method in compensation of fiber-optic gyro random error

GAO Wei1; LIU Xiao-qing2; LI Bei2; SU You2

doi:10.13873/j.1000-97872007.05.008

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Application of wavelet analysis method in compensation of fiber-optic gyro random error

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- Application of wavelet analysis method in compensation of fiber-optic gyro random error
- Issue 5, Pages: 82-85(2007)
- 作者机构：
  
  1. 哈尔滨工业大学电气工程及自动化学院
  2. 哈尔滨工程大学自动化学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872007.05.008
  CLC： U666.123
- Published：2007
- 稿件说明：
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[1]高伟,刘晓庆,李蓓,苏游.小波分析法在光纤陀螺随机误差补偿中的应用[J].传感器与微系统,2007(05):82-85.

GAO Wei1, LIU Xiao-qing2, LI Bei2, et al. Application of wavelet analysis method in compensation of fiber-optic gyro random error[J]. 2007, (5): 82-85.
[1]高伟,刘晓庆,李蓓,苏游.小波分析法在光纤陀螺随机误差补偿中的应用[J].传感器与微系统,2007(05):82-85. DOI： 10.13873/j.1000-97872007.05.008.

GAO Wei1, LIU Xiao-qing2, LI Bei2, et al. Application of wavelet analysis method in compensation of fiber-optic gyro random error[J]. 2007, (5): 82-85. DOI： 10.13873/j.1000-97872007.05.008.

摘要

光纤陀螺随机漂移是惯性导航系统产生误差的重要因素。尽量降低陀螺仪的漂移率是进一步提高惯性导航系统精度的重要途径

也是保证光纤陀螺静态误差补偿精度的前提。从抑制光纤陀螺随机噪声的角度出发

利用小波分析法对光纤陀螺的静态输出进行滤波处理

通过对比滤波前后陀螺的输出曲线、标准差以及各项随机误差系数

能够看出:该方法有效地补偿了光纤陀螺的随机误差。

Abstract

The important attribute that the inertial navigation system has the errors is the fiber-optic gyro random drift.Reducing the gyro drift as far as possible is an important way of increasing the inertial navigation system precision further

also the premise of guaranteeing the optical fiber top static error compensation precision.From restraining the fiber-optic gyro random drift

filter is carries on using the wavelet analytic method to the fiber-optic gyro static output

through contrasting around the fiber-optic gyro output curve

the standard deviation as well as each random error coefficient

concludes that this method compensates effectively the fiber-optic gyro random error.

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references

光纤陀螺信号处理方法的比较研究 [J]. 赵玉新,李绪友,刘承香,郝燕玲. 中国惯性技术学报 . 2003(02)

Matlab小波分析工具箱原理与应用[M]. 国防工业出版社 , 董长虹主编, 2004

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