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Orbital Dynamics Correction Model and Application in Short-term Ephemeris Prediction of Beidou Navigation Satellites(PDF)

Journal of Xiamen University(Natural Science)[ISSN:0438-0479/CN:35-1070/N]

Issue:
2017 04
Page:
555-559
Research Field:
Research Articles
Publishing date:
2017-07-26

Info

Title:
Orbital Dynamics Correction Model and Application in Short-term Ephemeris Prediction of Beidou Navigation Satellites
Article ID:
0438-0479(2017)04-0555-05
Author(s):
ZHOU JianyangYAN ChaohuiPENG Ao*OU Gang
School of Information Science and Engineering,Xiamen University,Xiamen 361005,China
Keywords:
Beidou navigation system short-term ephemeris prediction orbital dynamics global navigation satellite system(GNSS)
CLC number:
P 228
DOI:
10.6043/j.issn.0438-0479.201702010
Document code:

A
Abstract:
For portable navigation devices that require strict power consumption and miniaturization,it’s important for fast fix to obtain accurate orbit prediction.In this paper,a novel short-term ephemeris prediction approach of Beidou Navigation satellites is proposed.Based on the traditional force model,the periodical relationship between satellite coordinates and the secondary perturbing forces is modeled numerically.Parameters in the proposed model can be derived from historical broadcast ephemeris,and then used in short-term prediction to improve the accuracy of orbit prediction.The proposed approach is evaluated by the real data broadcasted by BDS satellites,and the results show the improvement of orbit prediction accuracy is significant.

References:

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Memo

Memo:
收稿日期:2017-02-08 录用日期:2017-05-11
基金项目:中国第二代卫星导航系统重大专项(GFZX031010708)
*通信作者:pa@xmu.edu.cn
Last Update: 1900-01-01