Abstract
The local navigation system, BeiDou 2 or COMPASS has been successfully established lately. By using real data of several baselines, the accuracy of COMPASS/GPS differential positioning under single and dual frequency situation was analysed to evaluate the expecting performance of COMPASS/GPS ground based augmentation system (GBAS). Besides, three different smoothing methods are used. The results show that, the differential position accuracy of COMPASS is lower than that of GPS, and it can be significantly improved by a long time smoothing, the divergence free smoothing is suggested to be used when dual frequency signals is available. And the precision and availability of COMPASS/GPS based GBAS is superior to that of GPS single system.
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Acknowledgments
This work is supported by the National Natural Science Funds of China (Grant Nos. 41020144004; 41104022), the National “863 Program” of China (No: 2013AA122501), and the 2nd and 3rd China Satellite Navigation Conference (Grant Nos. CSNC-2011-QY-13; CSNC-2012-QY-03).
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Xu, J., Yang, Y., Li, J., He, H., Guo, H. (2013). Performance Analysis of COMPASS/GPS Code Differential Positioning. In: Sun, J., Jiao, W., Wu, H., Shi, C. (eds) China Satellite Navigation Conference (CSNC) 2013 Proceedings. Lecture Notes in Electrical Engineering, vol 244. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37404-3_18
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DOI: https://doi.org/10.1007/978-3-642-37404-3_18
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