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基于卫星星历的TDOA/FDOA研究 被引量：8

Research on TDOA/FDOA Based on Ephemeris of Satellite
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摘要 文章研究利用卫星星历中的轨道参数以及地面辐射源的经纬度和高程,采用几何矢量法,建立了对各种轨道卫星具有通用性的卫星接收信号TDOA/FDOA估计模型,分析了从典型卫星通信系统Globalstar和Inmarsat中选取的2颗卫星在接收辐射源信号时TDOA/FDOA变化情况。仿真结果表明,文中所建模型具有较好的适用性,为无源定位中TDOA/FDOA的估计结果提供了一种验证方法。 The satellite orbit parameters in the ephemeris and location of land emitter are studied.Universal mathematic models of TDOA and FDOA are deduced using geometric vector method.The TDOA and FDOA of two satellites which are selected from Globalstar and Inmarsat satellite communications systems are analyzed.The simulation results show that the proposed model is effective and universal,and it can be used for estimation and validation of TDOA and FDOA in source localization.
作者 张威 沈俊 张更新
机构地区 解放军理工大学通信工程学院 中国空间技术研究院西安分院
出处 《空间电子技术》 2011年第3期25-29,共5页 Space Electronic Technology
基金 国家自然科学基金资助项目(60972061 60972062 61032004)
关键词 卫星星历 到达时差 到达频差 Satellite ephemeris Time difference of arrival Frequency difference of arrival
分类号 TN927.2 [电子电信—通信与信息系统]
  • 相关文献

参考文献9

  • 1Ho K C, Xu Wenwei. An Accurate Algebraic Solution for Moving Source Location Using TDOA and FDOA Measurements [ J ]. IEEE Trans. Signal Process, 2004,52 ( 9 ) : 2453 - 2463.
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  • 4Ho K C, Lu Xiaoning, Kovavisaruch L . Source Localization Using TDOA and FDOA Measurements in the presence of Receiver Location Errors:Analysis and Solution [ J ]. IEEE Trans. Signal Process, 2007,55 (2).
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  • 9束锋,朱伟强,陆锦辉,韩玉兵.基于最大比合并的最大似然TDOA/FDOA联合定位方法[J].宇航学报,2010,31(4):1143-1148. 被引量：8

二级参考文献18

  • 1张伯川,常青,张其善,寇艳红.高动态GPS卫星信号模拟器导航电文生成[J].北京航空航天大学学报,2005,31(3):284-287. 被引量：16
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共引文献18

同被引文献48

引证文献8

二级引证文献52

空间电子技术
2011年 第3期

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