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基于相关滤波技术实现激光陀螺抖动信号的剥除
引用本文:张庆华,谢元平,胡绍民.基于相关滤波技术实现激光陀螺抖动信号的剥除[J].传感技术学报,2009,22(9).
作者姓名:张庆华  谢元平  胡绍民
作者单位:湖南长沙国防科学技术大学光电学院,长沙,410073
摘    要:为了满足惯导系统对机械抖动激光陀螺快速跟踪方面的应用需求,基于相关滤波技术实现了激光陀螺抖动误差信号的剥除.首先从理论上对基于相关滤波去除抖动的思想进行了详细的分析,提出了基于相关滤波进行抖动剥除的开环模型,为了提高系统的稳定性,在开环模型的基础上提出了闭环模型.其次介绍了基于相关滤波闭环模型实现抖动剥除的软硬件设计,最后用所研制的系统对某一型号的激光陀螺进行了测试,通过对采样信号和误差信号的观测,系统工作稳定,在5 kHz的采样条件下,陀螺剥除后的剩余脉冲控制在±1内.

关 键 词:激光陀螺  信号处理  相关滤波  闭环模型

Dither Signal Removal of Ring Laser Gyro Based on Correlate Filter
ZHANG Qinghua,XIE Yuanping,HU Shaomin.Dither Signal Removal of Ring Laser Gyro Based on Correlate Filter[J].Journal of Transduction Technology,2009,22(9).
Authors:ZHANG Qinghua  XIE Yuanping  HU Shaomin
Affiliation:ZHANG Qinghua,XIE Yuanping,HU ShaominSchool of Photoelectrical Science&Technology,National University of Defense Technology,Changsha 410073,China
Abstract:To satisfy the fast tracking use of mechanical dithered ring laser gyro in laser inertial navigation system(LINS).A new signal processing method of ring laser gyro(rlg)based on correlate filter is proposed.Firstly the basic theory is analyzed.The open loop and closed loop model of dither signal removal based on correlate filter are proposed.The closed loop model is superior to the open loop model in stability.Secondly the software and hardware design of closed loop model are presented.Finally the stability ...
Keywords:ring laser gyro  signal processing  correlate filter  closed loop model  
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