| 基于窄相关的GPS多径误差抑制性能分析 |
| |
| 引用本文： | 纪元法,孙希延,施浒立.基于窄相关的GPS多径误差抑制性能分析[J].武汉理工大学学报(交通科学与工程版),2009,33(4):737-740. |
| |
| 作者姓名： | 纪元法 孙希延 施浒立 |
| |
| 作者单位： | 1. 中国科学院国家天文台,北京,100012;桂林电子科技大学应用科技学院,桂林,541004;中国科学院研究生院,北京,100039
2. 中国科学院国家天文台,北京,100012 |
| |
| 基金项目： | 国家973重点基础研究发展计划项目，国家自然科学基金项目，国家天文台青年基金 |
| |
| 摘 要： | 在分析多径信号相关器模型基础上,推导了多径效应导致的码相跟踪误差与多径信号参数的关系式,表明多径引起的跟踪误差与相关器的间隔、多径信号的相对幅度、延迟和相位等4个参数有着严格的解析关系,相关器的间隔越小的窄相关器具有越强的多径误差抑制能力.仿真结果与理论推导吻合,最后分析了窄相关器的局限性.
|
| 关 键 词： | 多径效应 窄相关 跟踪误差 |
Analysis of Multipath Mitigation Performance Based on Narrow Correlator |
| |
| Ji Yuanfa,Sun Xiyan,Shi Huli.Analysis of Multipath Mitigation Performance Based on Narrow Correlator[J].journal of wuhan university of technology(transportation science&engineering),2009,33(4):737-740. |
| |
| Authors: | Ji Yuanfa Sun Xiyan Shi Huli |
| |
| Institution: | National Astronomical Observatory;Chinese Academy of Sciences;Beijing 100012;College of Applied Science and Technology;Guilin University of Electronic Technology;Guilin 541004;Graduate School;Beijing 100039 |
| |
| Abstract: | In this paper the correlation model under multipath signal is analysed and then the mathematic relation between code phase error and multipath paramters is deduced detailedly based on the discrimination function.Simulation results and analysis show that the multipath tracking error is an analytical funciton of the multipath parameters-the relative amplitude,delay and phase and also the early-late correlation spacing.The narrower the correlation spacing is,the better performance in multipath mitigation the c... |
| |
| Keywords: | GPS |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
