航天器工程2017，Vol.26Issue(3)：23-30,8.DOI:10.3969/j.issn.1673-8748.2017.03.004
应用星载GNSS接收机的Molniya轨道卫星测定轨方法
Precise Orbit Determination Method of Molniya Orbit Satellites Using Onboard GNSS Receiver
摘要
Abstract
Considering the problems of lacking visible arc and the low positioning accuracy using the traditional ground-based orbit determination technology,the method using onboard GNSS information is proposed in this paper in order to meet the orbit determination and prediction accuracy from the space mission requirements.The navigation information availability of GNSS constellations is analyzed and the algorithm of orbit determination based on GNSS navigation solutions is studied,then the orbit determination and prediction errors are calculated taking navigation solutions of different accuracy as measurement data.The influence of measured orbital circles and the accuracy of tracking model to orbit determination and prediction accuracy is analyzed.The simulation results show that the orbit determination errors can be restricted below 15 meters and after six days' prediction the position errors can be restricted below 60 meters using navigation solutions of two orbit circles,when taking the random errors of measurement data and the model deviation into consideration.The method has advantages of high precision,strong stability and low data demand,which may be used for future HEO satellite orbit determination engineering.关键词
Molniya轨道/全球卫星导航系统/导航解/精密定轨/最小二乘估计Key words
Molniya orbit/GNSS/navigation solution/precise orbit determination/least square estimation分类
航空航天引用本文复制引用
董召勇,尤超蓝,李文峰..应用星载GNSS接收机的Molniya轨道卫星测定轨方法[J].航天器工程,2017,26(3):23-30,8.
