Abstract
In order to evaluate the orbit accuracy of regional network of Chinese BeiDou Satellite Navigation System (BDS), we compare the orbits determined by regional network consisting of ground stations within the border of China and orbits provided by global Multi-GNSS Experiment (MGEX) covering 2-year time span from 2013 to 2014. The results show that, for GEO/IGSO/MEO, mean radial accuracies of regional network orbits are around 0.4, 0.3, and 0.2 m, respectively. The orbit accuracy degenerates significantly during eclipse and IGSO/MEO yaw-fixing season. IGSO/MEO orbit accuracies present possible quasi-periodic oscillation, but show week correlation with sun’s elevations above the orbital plane. Assessment of regional network orbits by satellite laser ranging (SLR) shows, for GEO/IGSO/MEO, that the RMS values of station–satellite distance are around 0.6, 0.3, and 0.2 m, respectively, which match the orbit radial errors fairly well but contain significant systematic offsets. The characteristics presented in BeiDou satellites are quite different from those in GPS/Galileo. The dynamic modeling accuracy and orbit processing strategy on BeiDou satellites need further enhancement.
The original version of this chapter was revised: For detailed information please see Erratum. The erratum to this chapter is available at 10.1007/978-981-10-0940-2_66
An erratum to this chapter can be found at http://dx.doi.org/10.1007/978-981-10-0940-2_66
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Zhao, G., Zhou, S., Zhou, X., Wu, B. (2016). Orbit Accuracy Analysis for BeiDou Regional Tracking Network. 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_21
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DOI: https://doi.org/10.1007/978-981-10-0940-2_21
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