Abstract
The orbit determination of the navigation constellation is the premise for navigation satellite system to realize navigation and position. Autonomous orbit determination based on ground anchor stations can improve the accuracy and survivability of the navigation system, but it has the rotation error. The addition of the ground anchor stations is a valid way to solve the problem. Because of the limited calculation resources on the satellite boards, the algorithm should be a distributed one which, however, is not the optimal. So, it is meaningful to study the influence of the ground anchor stations on the distributed orbit determination algorithm. According to the requirement, first, this article describes the principle of distributed orbit determination algorithm. Second, it analyses the characteristics of it. Third, it studies the effect of ground anchor stations. In the last, it designs a work way in period and tests the feasibility of it. The simulation result shows that ground anchor stations can control the rotation error well, but the simple EKF algorithm used to fuse the data of inter-satellite and satellite-to-ground range measurements constricts slow. In the last an improving algorithm is raised.
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© 2016 Springer Science+Business Media Singapore
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Huang, F., Huang, W., Wang, Y., Zhou, Y., Lin, K. (2016). Analysis of Ground Anchor Stations’ Influence on Autonomous Orbit Determination with Distributed Algorithm. In: Sun, J., Liu, J., Fan, S., Wang, F. (eds) China Satellite Navigation Conference (CSNC) 2016 Proceedings: Volume III. Lecture Notes in Electrical Engineering, vol 390. Springer, Singapore. https://doi.org/10.1007/978-981-10-0940-2_7
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DOI: https://doi.org/10.1007/978-981-10-0940-2_7
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