微弱GNSS信号跟踪技术综述  

Weak GNSS Signal Tracking Technology

作　　者：赖广锋[1] 罗奎[1] 刘波[2] 黄文俊 陈莹 

机构地区：[1]解放军理工大学通信工程学院研究生4队 [2]解放军理工大学通信工程学院训练部 [3]中国人民解放军75706部队 [4]空军航空大学航空救生系

出　　处：《军事通信技术》2010年第4期77-83,共7页Journal of Military Communications Technology

摘　　要：文章首先分析传统GNSS接收机的应用环境,在引入弱信号概念的基础上,讨论弱信号条件下进行导航的必要性,并阐述该领域目前的发展动向;接着由传统的GNSS信号跟踪基本原理和跟踪性能指标,分析传统的跟踪方法应用于微弱信号跟踪时存在的瓶颈;最后综述近年来微弱GNSS信号跟踪技术的研究现状,总结目前微弱GNSS信号跟踪技术的局限并指出今后的发展方向。The application environment of the traditional GNSS receiver was firstly analyzed,following the introduction of the basic conception of weak GNSS signals.Then a discussion was made of the importance of the navigation which was based on the weak signal,and the development of this area at home and abroad introduced.Next,the basic traditional GNSS signal tracking theory was introduced, the measurement error was expatiated on,according to the measurement error,the drawback of the traditional tracking technique in tracking the weak signals was analyzed.In the end,the latest weak GNSS signal tracking technique and its limits were presented with future development direction.

关 键 词：弱信号 高灵敏度 跟踪 载波环 

分 类 号：TN96[电子电信—信号与信息处理]