厦门大学学报（自然科学版）2017，Vol.56Issue(4)：555-559,5.DOI:10.6043/j.issn.0438-0479.201702010
轨道动力学修正模型及其在北斗短时星历预测中的应用
Orbital Dynamics Correction Model and Application in Short-term Ephemeris Prediction of Beidou Navigation Satellites
摘要
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.关键词
北斗导航系统/短时星历预测/卫星轨道动力学/全球卫星导航系统Key words
Beidou navigation system/short-term ephemeris prediction/orbital dynamics/global navigation satellite system(GNSS)分类
天文与地球科学引用本文复制引用
周剑扬,颜超晖,彭敖,欧钢..轨道动力学修正模型及其在北斗短时星历预测中的应用[J].厦门大学学报（自然科学版）,2017,56(4):555-559,5.基金项目
中国第二代卫星导航系统重大专项(GFZX031010708) （GFZX031010708）
