| GNSS监测评估中心北斗卫星产品分析 |
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| 引用本文： | 韩雪丽,党亚民,谷守周,张龙平,李建彬,岳彩亚.GNSS监测评估中心北斗卫星产品分析[J].测绘与空间地理信息,2018(2):109-112. |
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| 作者姓名： | 韩雪丽 党亚民 谷守周 张龙平 李建彬 岳彩亚 |
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| 作者单位： | 山东科技大学 测绘科学与工程学院,山东 青岛266590;中国测绘科学研究院,北京100830
中国测绘科学研究院,北京,100830 |
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| 摘 要： | 通过统计2016年3月14日至7月24日共135 d的北斗产品卫星轨道、钟差均方根值(RMS)及对流层i GMAS(国际GNSS监测评估系统)值在不同时段的变化状况,分析近几个月各时间点的北斗卫星运行情况,结合卫星误差影响的来源,分析其变化规律及原因。有利于探测异常误差,发现产品运行规律,提高产品结果的稳健性,帮助科研工作者发现并下载高质量数据,确定北斗卫星下一步研究方向。
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| 关 键 词： | GNSS监测 北斗 轨道 钟差 对流层 产品分析 GNSS monitoring BDS track clock troposphere product analysis |
Analysis of the BDS Products of International GNSS Monitoring and Evaluation System Analysis Center |
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| HAN Xueli,DANG Yamin,GU Shouzhou,ZHANG Longping,LI Jianbin,YUE Caiya.Analysis of the BDS Products of International GNSS Monitoring and Evaluation System Analysis Center[J].Geomatics & Spatial Information Technology,2018(2):109-112. |
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| Authors: | HAN Xueli DANG Yamin GU Shouzhou ZHANG Longping LI Jianbin YUE Caiya |
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| Abstract: | Through the statistics of orbit and clock products from March 14, 2016 to July 24, this article calculated the RMS value and the iGMAS ( International Assessment of GNSS monitoring system) value ranking status of Beidou system in different period of time. According to sources of error on the satellite, analyzed the operation situation and the variation of the Beidou satellite in recent months, and analyzed the law and reason of the influence of satellite error. It is advantageous to detect the abnormal errors, to find the law of product operation, and to improve the robustness of the product results. And it will help researchers find and download high quality data, determine the direction of the next step of the Beidou satellite. |
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