| 基于载波辅助的GPS相对动态跟踪算法研究 |
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| 引用本文： | 潘曦,聂玉平.基于载波辅助的GPS相对动态跟踪算法研究[J].北京理工大学学报,2011,31(5):594-597. |
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| 作者姓名： | 潘曦 聂玉平 |
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| 作者单位： | 潘曦,PAN Xi(北京理工大学,机电学院,北京,10081);聂玉平,NIE Yu-ping(北京遥测技术研究所,北京,10076) |
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| 摘 要： | 针对高动态GPS信号接收问题,深入研究了相对动态跟踪的环路算法,分析了伪码双环跟踪结构,与国外采用的近似最大似然估计(AMLE)和扩展卡尔曼滤波(EKF)算法相比,该算法采用载波辅助伪码方法将绝对动态跟踪转换为相对动态跟踪,采用低阶窄带锁相环提高伪码环路的跟踪精度,简化了技术实现复杂度.经过系统仿真验证,性能满足高动态GPS信号跟踪要求.
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| 关 键 词： | 高动态 GPS信号接收 载波辅助 跟踪算法 |
| 收稿时间： | 2010/7/20 0:00:00 |
Carrier-Aided GPS Relative Dynamic Tracking Algorithm |
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| PAN Xi and NIE Yu-ping.Carrier-Aided GPS Relative Dynamic Tracking Algorithm[J].Journal of Beijing Institute of Technology(Natural Science Edition),2011,31(5):594-597. |
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| Authors: | PAN Xi and NIE Yu-ping |
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| Institution: | PAN Xi1,NIE Yu-ping2(1.School of Mechatronical Engineering,Beijing Institute of Technology,Beijing 100081,China,2.Beijing Institute of Telemetry,Beijing 100076,China) |
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| Abstract: | Aiming at the problem of high dynamic input signals for GPS receiver,a dynamic relative tracking loop algorithm is presented in this paper and the pseudo code tracking double-loop was designed.Compared with the approximate maximum likelihood estimation(AMLE) and extended Kalman filter(EKF),the algorithm transforms the absolute dynamic tracking to relative dynamic tracking by using the carrier-aided pseudo code methods.With the use of low order and narrow band phase lock loop,the tracking precision of pseudo... |
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| Keywords: | high dynamic GPS signal receiving carrier-aided tracking algorithm |
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