| 利用星载GPS伪码测距进行小卫星星座的整网定位 |
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| 引用本文： | 郗晓宁,张雅声,任萱,朱文耀.利用星载GPS伪码测距进行小卫星星座的整网定位[J].国防科技大学学报,1998,20(6):12-16. |
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| 作者姓名： | 郗晓宁 张雅声 任萱 朱文耀 |
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| 作者单位： | 长沙国防科技大学自动控制系，中国科学院上海天文台 |
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| 基金项目： | 国防科技大学校预研项目资助 |
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| 摘 要： | 首先针对小卫星星载ＧＰＳ伪码测距，基于星间差分消除／消弱误差，并引入星座网形约束，论述了星座模式下提高小卫星定位精度的一种整网数据处理方法，并给出了一个算例。然后进一步论述了不依赖ＧＰＳ的小卫星星座测控，以及提高小卫星星座定位自主性问题的几点设想。
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| 关 键 词： | 小卫星星座，星载GPS，整网平差，绝对定位，相对定位 |
| 收稿时间： | 3/5/1998 12:00:00 AM |
Whole Network Positioning of Small Satellite Constellation by Psecdocode Measuring Distance of GPS Carried on Satellite |
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| Xi Xiaoning,Zhang Yasheng,Ren Xuan and Zhu Wenyao.Whole Network Positioning of Small Satellite Constellation by Psecdocode Measuring Distance of GPS Carried on Satellite[J].Journal of National University of Defense Technology,1998,20(6):12-16. |
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| Authors: | Xi Xiaoning Zhang Yasheng Ren Xuan and Zhu Wenyao |
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| Affiliation: | 1.Department of Automatic Control, NUDT, Changsha, 410073;1.Department of Automatic Control, NUDT, Changsha, 410073;1.Department of Automatic Control, NUDT, Changsha, 410073;2.Shanghai Observatory, Chinese Academy of Sciences, Shanghai, 200030 |
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| Abstract: | In this paper, in order to improve the small satellite's positioning precision under constellation mode, we discuss a methed to deal with whole network datum of psecdocode measuring distance of GPS carried on the satellites, based on decreasing or eliminating error by difference between satellites and introducing the network restraint of constellation. After that, an actual example is given. Finally, we present several presumptions aiming at small satellite constellation's measurement and control, while not relying on GPS and raising the independence of small satellite constellation's positioning. |
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| Keywords: | small satellite constellation GPS carried on satellite whole network adjustment absolute positioning relative positioning |
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