[1]罗士栋,张洪伦,巴晓辉,等.微弱GPS信号矢量频率锁定环设计[J].哈尔滨工程大学学报,2017,38(12):1964-1968.[doi:10.11990/jheu.201607053]
 LUO Shidong,ZHANG Honglun,BA Xiaohui,et al.Vector frequency lock loop design for weak GPS signal[J].hebgcdxxb,2017,38(12):1964-1968.[doi:10.11990/jheu.201607053]
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
38
期数:
2017年12期
页码:
1964-1968
栏目:
出版日期:
2017-12-25

文章信息/Info

Title:
Vector frequency lock loop design for weak GPS signal
作者:
罗士栋12 张洪伦12 巴晓辉2 陈杰2
1. 中国科学院 微电子研究所, 北京 100029;
2. 中国科学院大学 电子电气与通信工程学院, 北京 100049
Author(s):
LUO Shidong12 ZHANG Honglun12 BA Xiaohui2 CHEN Jie2
1. Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China;
2. School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
微弱GPS信号矢量跟踪矢量频率锁定环高灵敏度频率锁定环标量跟踪载波跟踪
分类号:
TN967.1
DOI:
10.11990/jheu.201607053
文献标志码:
A
摘要:
载波跟踪环是传统独立式GPS接收机最脆弱的环节,针对弱信号环境下其比伪码跟踪环路更容易失锁的问题,本文给出一种基于矢量频率锁定环(vector-frequency lock loop,VFLL)的载波跟踪方法。给出VFLL理论推导及实现过程,并以最小二乘估计方法证明VFLL在载波跟踪性能上优于频率锁定环(frequency lock loop,FLL)。静止场景时9颗卫星实验结果显示,本文给出的方法能够实现14 dB/Hz微弱GPS信号的载波跟踪。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-07-21。
基金项目:国家自然科学基金项目(61376027).
作者简介:罗士栋(1984-),男,助理研究员,博士研究生;陈杰(1963-),男,研究员.
通讯作者:陈杰,E-mail:jchen@ime.ac.cn.
更新日期/Last Update: 2018-01-13