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Proceedings Paper

The method for satellite orbit determination and its precision analysis based on bi-satellite positioning system
Author(s): Jiongqi Wang; Haiyin Zhou; Deyong Zhao; Yi Wu
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Paper Abstract

Space-ground combined system is one of the current tendencies in the spacecraft measurement and control. The accomplishing of the Bi-satellite positioning system (BPS) can provide a possibility to realize our independent satellite space-ground measurement and control technology; also due to its advantages, such as all weather, all-time and relative high precision for orbit determination, so it can become a promising and efficient measurement and control means for LEO or MEO orbit determination. In this paper, founding on the actuality of this system and combining the demand for precise orbit determination of LEO and MEO, we advance the method of satellite orbit determination based on BPS, summarize its fundamental and composition, and present its observation model and flow for observation data, also research its mathematics model and method. This paper mainly researches and analyzes the system error characters and their parameter estimation in the process of orbit determination used by BPS. Finally, by simulation calculation and precision analysis, we research the correlation between the user satellite orbit determination precision and bi-satellite ephemeris error, data measurement precision and length of observation time, moreover, compare the ultimate precision influence caused by whether to estimate and deduct system error or not. All these work can afford theoretic basis for next project realization.

Paper Details

Date Published: 28 October 2006
PDF: 9 pages
Proc. SPIE 6418, Geoinformatics 2006: GNSS and Integrated Geospatial Applications, 641802 (28 October 2006); doi: 10.1117/12.712215
Show Author Affiliations
Jiongqi Wang, National Univ. of Defense Technology (China)
Haiyin Zhou, National Univ. of Defense Technology (China)
Hunan Univ. (China)
Deyong Zhao, National Univ. of Defense Technology (China)
Yi Wu, National Univ. of Defense Technology (China)

Published in SPIE Proceedings Vol. 6418:
Geoinformatics 2006: GNSS and Integrated Geospatial Applications
Deren Li; Linyuan Xia, Editor(s)

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