| 基于EOF的实时三维电离层模型精度分析 |
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| 引用本文： | 施闯,耿长江,章红平,唐卫明.基于EOF的实时三维电离层模型精度分析[J].武汉大学学报(信息科学版),2010(10). |
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| 作者姓名： | 施闯 耿长江 章红平 唐卫明 |
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| 作者单位： | 武汉大学卫星导航定位技术研究中心;武汉大学测绘遥感信息工程国家重点实验室;武汉大学测绘学院; |
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| 基金项目： | 国家973计划资助项目(2009CB724002); 国家863计划资助项目(2007AA120603,2007AA12Z310,2007AA12Z339); 国家自然科学基金资助项目(40804005) |
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| 摘 要： | 讨论了建立基于EOF(empirical orthogonal runction)的实时三维电离层模型的方法,利用欧洲区域14个IGS跟踪站全天的观测数据模拟实时数据流进行了实验,将这种方法与二维球谐函数模型的结果进行了比较,结果显示基于EOF的实时三维电离层模型全天的模型残差以及与实测值偏差的均方根都在0.2 m以内,优于二维球谐函数模型。
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| 关 键 词： | EOF 实时 三维电离层模型 |
Precision Analysis of Ionosphere Tomography Based on EOF |
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| SHI Chuang, GENG Changjiang, ZHANG Hongping, TANG Weiming.Precision Analysis of Ionosphere Tomography Based on EOF[J].Geomatics and Information Science of Wuhan University,2010(10). |
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| Authors: | SHI Chuang GENG Changjiang ZHANG Hongping TANG Weiming |
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| Institution: | SHI Chuang1,2 GENG Changjiang1,3 ZHANG Hongping1,2 TANG Weiming1(1 GNSS Research Center,Wuhan University,129 Luoyu Road,Wuhan 430079,China)(2 State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,China)(3 School of Geodesy and Geomatics,China) |
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| Abstract: | The method of real time Ionosphere Tomography Based on EOF is detailed in this paper.Data from 14 IGS stations of Europe were collected for experiment.The result of both residual and error shows that the method of Ionosphere Tomography provide more precise ionosphere correction than 2-D spherical harmonic function method.The RMS of EOF based Tomography in the experiment shows to be in magnitude of less than 0.2 m. |
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| Keywords: | EOF real time tomography |
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