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  5. A Study on the Orbit Accuracy Variation Characteristics and Yaw-attitude Modes of Beidou Navigation

A Study on the Orbit Accuracy Variation Characteristics and Yaw-attitude Modes of Beidou Navigation

来源 :第八届中国卫星导航学术年会 | 被引量 : 0次 | 上传用户：weiwen2100000
【摘 要】
：
Research on the orbit accuracy variation charecteristics of navigation satellites can help to discover the deficiency of yaw-attitude modeling during eclipse season,which may further contribute to ref
【作 者】
：
Guofeng JI Yuxi Liu Zhiqiang YANG Xiaolin JIA 
【机 构】
：
College of Geology Engineering and Geomantics,Chang'an University,Xi'an,China
【出 处】
：
第八届中国卫星导航学术年会
【发表日期】
：
2017年4期
【关键词】
：
Beidou Navigation Satellite System Broadcast ephemeris SLR Yaw-attitude mode IGS 
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　　Research on the orbit accuracy variation charecteristics of navigation satellites can help to discover the deficiency of yaw-attitude modeling during eclipse season,which may further contribute to refine the functional models in precise orbit determination(POD).In this article,the broadcast orbit accuracy of Beidou Navigation Satellite System(BDS)is evaluated firstly by Satellite Laser Ranging(SLR)residuals ranging from Jan 2015 to Nov 2016.
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