| Correction on Effect of Earth＇s Oblateness in Inversion of GPS Occultation Data |
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| 引用本文： | XU Xiaohua LI Zhenghang LUO Jia. Correction on Effect of Earth＇s Oblateness in Inversion of GPS Occultation Data[J]. 地球空间信息科学学报, 2005, 8(4): 247-250,256 |
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| 作者姓名： | XU Xiaohua LI Zhenghang LUO Jia |
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| 作者单位： | [1]School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China [2]不详, Wuhan University, 129 Luoyu Road, Wuhan 430079, China |
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| 基金项目： | Funded by the 0pening Foundation of the Key Laboratory of Geospace Environment and Geodesy of the Ministry of Education （03-04-09）. |
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| 摘 要： | By using observed CHAMP orbit ephemeredes and MSISE-90 dry air model and regarding the earth as a sphere and an ellipsoid respectively, phase delays are simulated and the simulated data are retrieved under different schemes. The comparison between the inverted temperature profiles and the model temperature profiles shows that by inverting observed data, we will get temperature results with large errors if the effect of Earth＇s oblateness is omitted. The correction method is proved to be effective because the temperature errors decreased obviously with this method.
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| 关 键 词： | GPS 全球定位系统 地球 反演法 数学模型 |
| 文章编号： | 1009-5020（2005）04-247-04 |
| 收稿时间： | 2005-07-25 |
Correction on Effect of Earth's Oblateness in Inversion of GPS Occultation Data |
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| XU;Xiaohua;LI;Zhenghang;LUO;Jia. Correction on Effect of Earth's Oblateness in Inversion of GPS Occultation Data[J]. Geo-Spatial Information Science, 2005, 8(4): 247-250,256 |
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| Authors: | XU Xiaohua LI Zhenghang LUO Jia |
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