The Application for the Wavelet Filter Method Used in the Fiber Optic Gyro Initial Alignment of Inertial Navigation System

BAI Jun-qing; ZHANG Ke; ZHANG Qi

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The Application for the Wavelet Filter Method Used in the Fiber Optic Gyro Initial Alignment of Inertial Navigation System

更新时间：2026-09-04

- The Application for the Wavelet Filter Method Used in the Fiber Optic Gyro Initial Alignment of Inertial Navigation System
- Vol. 31, Issue 12, Pages: 111-113(2014)
- 作者机构：
  
  1. 西北工业大学,陕西,西安,710072
  2. 航天16所,陕西,西安,710100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2014
- 稿件说明：
移动端阅览
白俊卿, 张科, 张琪. 小波滤波方法在光纤陀螺惯导系统初始对准中的应用[J]. 微电子学与计算机, 2014, 31(12): 111-113.

BAI Jun-qing, ZHANG Ke, ZHANG Qi. The Application for the Wavelet Filter Method Used in the Fiber Optic Gyro Initial Alignment of Inertial Navigation System[J]. 2014, 31(12): 111-113.
白俊卿, 张科, 张琪. 小波滤波方法在光纤陀螺惯导系统初始对准中的应用[J]. 微电子学与计算机, 2014, 31(12): 111-113. DOI：

BAI Jun-qing, ZHANG Ke, ZHANG Qi. The Application for the Wavelet Filter Method Used in the Fiber Optic Gyro Initial Alignment of Inertial Navigation System[J]. 2014, 31(12): 111-113. DOI：

摘要

光纤陀螺捷联惯导系统初始对准的精度直接影响到系统的导航精度

而光纤陀螺的随机漂移则是影响系统初始对准精度的重要因素.对小波分析的理论进行深入的研究

将多种小波滤波方法应用于光纤陀螺随机漂移数据的处理中

并对小波滤波结果进行对比

选定出在工程应用中最佳的小波滤波方法

应用Allan方差分析对该方法进行性能评估

并将此小波滤波方法应用于初始对准试验中

对试验结果进行分析

验证了最佳小波滤波方法的先进性

具有较高的工程意义.

Abstract

The random drift of fiber optic gyro is a important factor direct affected the accuracy of the optical for the fiber gyro inertial navigation system and the drift of the fiber optic gyro random is the important factors influencing the system initial alignment precision.In the paper

the theory of wavelet analysis was in-depth studied

it use multiple wavelet filtering methods to the inertial navigation system

Compare with the results of the filter and select out the best wavelet filter method for the engineering application.The Allan variance analysis method is used for performance evaluation.The wavelet filter method is applied to initial alignment test

and the results is tested.Itverify the best wavelet filter method and it has high engineering significance.

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