基于相位控制的惯性与卫星超紧组合导航系统信号解调方法

doi:10.3969/j.issn.1000-1093.2020.03.010

兵工学报 ›› 2020, Vol. 41 ›› Issue (3): 495-506.doi: 10.3969/j.issn.1000-1093.2020.03.010

基于相位控制的惯性与卫星超紧组合导航系统信号解调方法

沈世斌^1,2，谢非^1,2，赵静^3，4，钱伟行^1,2，康国华⁵，刘锡祥⁶

(1.南京师范大学电气与自动化工程学院，江苏南京 210023；2.南京智能高端装备产业研究院有限公司，江苏南京 210042；3.南京邮电大学自动化学院，江苏南京 210023；4.南京邮电大学江苏省物联网智能机器人工程实验室，江苏南京 210023； 5.南京航空航天大学微小卫星研究中心，江苏南京 210016；6.东南大学仪器科学与工程学院，江苏南京 210096)

收稿日期:2019-04-23 修回日期:2019-04-23 上线日期:2020-05-11
通讯作者: 谢非（1983—），男，副教授，硕士生导师，博士 E-mail:xiefei@njnu.edu.cn
作者简介:沈世斌（1967—），男，高级实验师。E-mail: 63018@njnu.edu.cn
基金资助:
国家自然科学基金项目（61601228、41974033、61803208）；江苏省自然科学基金项目（BK20161021、BK20180726）；江苏省“六大人才高峰”人才支持计划项目（2016-DZXX-035）；江苏省高校自然科学基金项目（17KJB510031）

A Signal Demodulation Method for Ultra-tightly Coupled INS/GNSS Navigation System Based on Phase Control

SHEN Shibin^1,2, XIE Fei^1,2, ZHAO Jing^3,4, QIAN Weixing^1,2, KANG Guohua⁵, LIU Xixiang⁶

（1.School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210023, Jiangsu, China；2.Nanjing Institute of Intelligent High-End Equipment Industry Limited Company, Nanjing 210042, Jiangsu, China；3.College of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210023, Jiangsu, China；4.Jiangsu Engineering Laboratory for Internet of Things and Intelligent Robotics, Nanjing University of Post and Telecommunications, Nanjing 210023, Jiangsu, China; 5.Microsatellite Research Center, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Jiangsu, China； 6.School of Instrument Science and Engineering, Southeast University, Nanjing 210096, Jiangsu, China）

Received:2019-04-23 Revised:2019-04-23 Online:2020-05-11

摘要/Abstract

摘要： 卫星导航极易受到复杂环境下的干扰信号影响，捷联惯性导航系统（SINS）与卫星导航系统(GNSS)超紧组合导航技术可提高卫星接收机在信号干扰环境下的工作性能。在对比分析紧组合与超紧组合实现方案及北斗B1信号调制方式的基础上，提出基于相位控制的SINS与GNSS超紧组合环路信号解调方法，进一步分析SINS与GNSS超紧组合环路信号跟踪特性。对卫星信号受干扰环境及动态条件下的相位控制超紧组合与频率控制超紧组合方法的导航性能进行试验对比分析，结果表明相位控制超紧组合方法具有更稳定的定位性能，并可提高约7 dB的抗干扰能力。

关键词: 惯性导航系统, 卫星导航系统, 组合导航系统, 超紧组合, 相位控制, 信号解调, 抗干扰

Abstract: Satellite navigation is easily affected by interference signals in a complicated environment. The ultra-tightly coupled strapdown inertial navigation system (SINS)/global navigation satellite system (GNSS) navigation system can improve the anti-jamming performance of receiver. On the basis of analyzing the tight integration and ultra-tight integration implementation schemes and BeiDou B1 signal modulation approach, a loop signal demodulation method of ultra-tight integration based on phase control is proposed.The tracking feature of ultra-tightly coupled SINS/GNSS loop signal is analyzed. The navigation perfor-mances of the proposed ultra-tightly coupled method based on phase control and the traditional method based on frequency control in signal jamming and high dynamic environments were test and compared. The test results indicate that the proposed ultra-tightly coupled method has a more stable positioning performance, and can improve 7 dB anti-jamming capability compared with the tightly coupled method.Key

Key words: strapdowninertialnavigationsystem, globalnavigationsatellitesystem, integratednavigationsystem, ultra-tightintegration, phasecontrol, signaldemodulation, anti-jamming

中图分类号:

V249.32⁺8

沈世斌，谢非，赵静，钱伟行，康国华，刘锡祥. 基于相位控制的惯性与卫星超紧组合导航系统信号解调方法[J]. 兵工学报, 2020, 41(3): 495-506.

SHEN Shibin, XIE Fei, ZHAO Jing, QIAN Weixing, KANG Guohua, LIU Xixiang. A Signal Demodulation Method for Ultra-tightly Coupled INS/GNSS Navigation System Based on Phase Control[J]. Acta Armamentarii, 2020, 41(3): 495-506.

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基于相位控制的惯性与卫星超紧组合导航系统信号解调方法

A Signal Demodulation Method for Ultra-tightly Coupled INS/GNSS Navigation System Based on Phase Control

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