Abstract
The pseudo-range measurement precision is an important index for evaluating the performance of a navigation receiver, and also one of the important factors for analyzing the receiver’s positioning precision. In the real environment the pseudo-range is varying and it is difficult to measure its precision, so usually the pseudo-range precision is measured on a laboratory simulation condition. But this measuring method could not truly reflect the pseudo-range precision in the real environment. In this paper, a measuring method of pseudo-range precision using to the real environment, namely receiver and satellite double difference method, is presented. Its theory basis is given by deducing its mathematic model, and then experiment is made on pseudo-range precision measuring with this method. The results of the experiment show that when the receiver is stationary, this method can accurately measure the precision of its observation pseudo-range to a static satellite, and can accurately measure the precision of its observation pseudo-range to a motional satellite by controlling the observation time. Finally the obtained pseudo-range precisions are used to compare the precisions of two positioning modes, and the comparison relationship of the precisions of the two positioning modes observed in the real data is intuitively revealed.
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© 2012 Springer-Verlag Berlin Heidelberg
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Li, C., Chen, J., Chu, H. (2012). A Double Difference Measuring Method of Pseudo-Range Precision Using to the Real Environment. In: Sun, J., Liu, J., Yang, Y., Fan, S. (eds) China Satellite Navigation Conference (CSNC) 2012 Proceedings. Lecture Notes in Electrical Engineering, vol 161. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29193-7_58
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DOI: https://doi.org/10.1007/978-3-642-29193-7_58
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