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@article{Meng:2016:j.cnki.12-1222/o3.2016.03.013,
author = {Meng, Q and Zeng, QH and Liu, JY and Feng, SJ},
doi = {j.cnki.12-1222/o3.2016.03.013},
journal = {Zhongguo Guanxing Jishu Xuebao/Journal of Chinese Inertial Technology},
pages = {349--354},
title = {Positioning strategy of GEO satellite in BeiDou software-defined receiver},
url = {http://dx.doi.org/10.13695/j.cnki.12-1222/o3.2016.03.013},
volume = {24},
year = {2016}
}

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TY  - JOUR
AB  - GEO satellites play the roles of basic navigation, enhancement and forwarding in GNSS. In this paper, the specialty and compatibility of BeiDou GEO positioning are studied. The D2 navigation data in BeiDou system are analyzed. The quadratic function approximation in base-band signal process is proposed, and GEO position and velocity computational formulas are derived. A GEO pseudorange corrected algorithm based on fuzzy control is designed which improved the versatility and compatibility of the signal processing channel. Corresponding algorithms and strategy are successfully tested and verified by using actual BeiDou B1I signal based on DSP+FPGA software-defined receiver, which realize the Doppler shift accuracy of <50Hz without the fine acquisition, and reduce the workload of pseudorange measurement by 50%. The above methods have favorable application value.
AU  - Meng,Q
AU  - Zeng,QH
AU  - Liu,JY
AU  - Feng,SJ
DO  - j.cnki.12-1222/o3.2016.03.013
EP  - 354
PY  - 2016///
SN  - 1005-6734
SP  - 349
TI  - Positioning strategy of GEO satellite in BeiDou software-defined receiver
T2  - Zhongguo Guanxing Jishu Xuebao/Journal of Chinese Inertial Technology
UR  - http://dx.doi.org/10.13695/j.cnki.12-1222/o3.2016.03.013
VL  - 24
ER  -

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