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弹箭与制导学报 >

2014 , Vol. 34 >Issue 6: 139 - 144

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2014.06.036

相关技术

扩频 CPM 调制在卫星导航系统中的应用研究

  • 薛睿 ,
  • 徐锡超 ,
  • 邢代玉 ,
  • 魏强
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  • 哈尔滨工程大学信息与通信工程学院,哈尔滨 150001

薛睿(1980-),男,黑龙江哈尔滨人,讲师,硕士生导师,博士,研究方向:现代数字通信技术、卫星通信系统、卫星导航与定位。

收稿日期: 2013-12-27

  网络出版日期: 2025-05-30

基金资助

国家自然科学基金(61403093);黑龙江省留学归国人员科学基金(LC2013C22);中央高校基本科研业务费专项基金(HEUCF140807);黑龙江省博士后科研启动金(LBH-Q14048)

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Application of Spread Spectrum CPM to Satellite Navigation System

  • XUE Rui ,
  • XU Xichao ,
  • XING Daiyu ,
  • WEI Qiang
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  • College of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China

Received date: 2013-12-27

  Online published: 2025-05-30

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摘要

文中研究在导航系统中应用扩频连续相位调制(spreadspectrumcontinuousphasemodulation,SS-CPM)技术的性能优势,并依据SS-CPM的特性,设计新型的调制方式——CPM-BOC调制。以Compass和GPS信号典型参数为例,研究其频谱特性、码跟踪精度、抗多径、抗干扰等导航性能指标方面的性能。理论分析和仿真结果表明:SS-CPM调制较典型的二进制偏移载波调制族在导航性能方面更有优势,为下一代卫星导航信号波形设计提供参考依据。

关键词： 卫星导航; 扩频连续相位调制; 二进制偏移载波调制; CPM-BOC; 导航性能

本文引用格式

薛睿 , 徐锡超 , 邢代玉 , 魏强 . 扩频 CPM 调制在卫星导航系统中的应用研究[J]. 弹箭与制导学报, 2014 , 34(6) : 139 -144 . DOI: 10.15892/j.cnki.djzdxb.2014.06.036

Abstract

This paper studied performance superiority of spread spectrum continuous phase modulation (SS-CPM) in navigation system, meanwhile, a new scheme-CPM-BOC modulation was designed based on the character of SS-CPM signal. The aspects of spectrum characteristic, code tracking accuracy, anti-multipath, and anti-interference were researched based on the parameters of compass and GPS typical signals. It is shown by theoretical analysis and simulation that SS-CPM modulation has better navigation performance compared with the classes of binary offset carrier (BOC) modulation, which is typical modulation in satellite navigation system. Finally, reference basis for the next generation satellite navigation signal waveform design was provided.

Key words： satellite navigation; continuous phase modulation; binary offset carrier; CPM-BOC; navigation performance

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参考文献

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