| 全球系统广播电离层模型精度分析 |
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| 引用本文： | 毛 悦,朱永兴,宋小勇.全球系统广播电离层模型精度分析[J].大地测量与地球动力学,2020,40(9):888-891. |
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| 作者姓名： | 毛 悦 朱永兴 宋小勇 |
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| 摘 要： | 分析北斗电离层模型与GPS Klobuchar和NeQuickG模型的差异，并以IGS分析中心全球格网电离层模型为参考值，将北斗电离层模型与其他全球电离层模型进行精度比对。结果表明，BDGIM模型显著优于其他3种模型，具有良好的全球电离层综合修正能力，尤其在中国及周边区域其修正百分比达77.01%。
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| 关 键 词： | BDS 广播电离层模型 全球电离层TEC格网 |
Accuracy Analysis of Broadcast Ionosphere Model of Global Navigation Satellite System |
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| MAO Yue,ZHU Yongxing,SONG Xiaoyong.Accuracy Analysis of Broadcast Ionosphere Model of Global Navigation Satellite System[J].Journal of Geodesy and Geodynamics,2020,40(9):888-891. |
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| Authors: | MAO Yue ZHU Yongxing SONG Xiaoyong |
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| Abstract: | We analyze the differences between the Beidou ionosphere, GPS Klobuchar, and NeQuick Galileo models, and the accuracy of Beidou ionosphere models are compared with other global ionosphere models using the global ionosphere maps of IGS analysis center as the reference value. The results show that the BDGIM model possesses the best global ionosphere delay correction precision, especially in China and its surrounding areas, where the corrected percentage can reach 77.01%. |
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| Keywords: | BDS broadcast ionosphere model global ionosphere TEC map |
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