Analysis and Correction of BDS Code Multipath Bias
作者： Wenke Yang , Haibo Tong , Lei Pan , Donghui Xu , Wenpu Guo
DOI: 10.1007/978-981-10-0940-2_44
关键词:
摘要: In view of the problem long-term variation code multipath error (called bias) in IGSO and MEO satellite observable, bias BDS is analyzed using iGMAS data multiple earth stations. addition, GPS comparatively. The results show that related to elevation angle, orbit type carrier frequency, but independent with location receivers. And for frequency B1, B2, B3, 1.66, 1.05 0.53 m, respectively. For 0.65, 0.44, 0.31 m accordingly, which are smaller than reported by earlier papers. Especially, at B2 half earlier. At same time, order reduce bias, a two-order polynomial fitting algorithm proposed this paper. that: compared piecewise linear model 10 correction parameters, three parameters can correct RMS more effectively. paper convenient considering broadcasting information users.
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