| 星载GPS载波相位相对定轨方法研究 |
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| 引用本文： | 胡国荣,欧吉坤,崔伟宏.星载GPS载波相位相对定轨方法研究[J].遥感学报,2000,4(4):311-315. |
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| 作者姓名： | 胡国荣 欧吉坤 崔伟宏 |
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| 作者单位： | 1. 中国科学院,遥感应用研究所,北京,100101
2. 中国科学院,测量与地球物理研究所,湖北,武汉,430077 |
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| 基金项目： | 中国科学院动力大地测量开放研究实验室资助 |
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| 摘 要： | GPS被越来越多地装载在用于遥感、气象和海洋测高等应用的低轨卫星上进行精密定轨 ,低轨卫星星载GPS精密定轨的基本观测量为载波相位观测值 ,针对低轨卫星星载GPS的特点 ,给出了一种适合于星载GPS载波相位相对定轨的模糊度解算方法 ,及模糊度解算准确程度的检验方法。该方法应用于TOPEX/PO SEIDON卫星星载GPS实测数据 ,可得到分米级的定轨精度
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| 关 键 词： | GPS 相对定轨 Sigma方法 整周模糊度 |
| 收稿时间： | 1999/11/10 0:00:00 |
| 修稿时间： | 2000/1/19 0:00:00 |
Research on GPS-based Orbit Determination with Carrier Phase for Low-o rbit Satellites |
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| HU Guo-rong,OU Ji-kun and CUI Wei-hong.Research on GPS-based Orbit Determination with Carrier Phase for Low-o rbit Satellites[J].Journal of Remote Sensing,2000,4(4):311-315. |
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| Authors: | HU Guo-rong OU Ji-kun and CUI Wei-hong |
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| Institution: | Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beiji ng 100101, China;Institute of Geodesy & Geophysics, Chinese Academy of Sciences, Wuhan 430077, China;Institute of Remote Sensing Applications, Chinese Academy of Sciences, Beiji ng 100101, China |
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| Abstract: | More and more GPS receivers are onboard low-orbit sat ellites for orbit determination, which can be applied to remote sensing, meteoro logy and sea surface altitude determination. The method of ambiguity resolution for relative orbit determination with carrier phase is proposed. Some criteria a re developed to identify correct ambiguities. With the method, the accuracy of c a rrier phase-based relative orbit determination may attain the order of a few de cimeter from the results calculated by using data collected from GPS/DR onboard TOPEX/POSEIDON. |
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| Keywords: | GPS relative orbit determination sigma method ambig uity |
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