| 快速星历代替最终星历的可行性研究 |
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| 引用本文： | 龙仁波,王坚,许长辉,高井祥.快速星历代替最终星历的可行性研究[J].四川测绘,2011(3):106-107,141. |
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| 作者姓名： | 龙仁波 王坚 许长辉 高井祥 |
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| 作者单位： | 中国矿业大学国土环境与灾害监测国家测绘局重点实验室; |
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| 基金项目： | 国家自然科学基金项目(41074010); 国土环境与灾害国家测绘局重点实验室开放基金资助项目(LEDM2009A01) |
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| 摘 要： | 精密单点定位中卫星星历误差和卫星钟差是影响定位精度的重要误差。基于传统的消电离层模型,编制相应的程序,然后对目前IGS提供的2种精密星历（IGF、IGR）及其钟差进行实验分析。结果表明,快速星历及其钟差可以代替最终星历及其钟差进行定位。
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| 关 键 词： | 精密星历 精密钟差 精密单点定位 |
Research on the Feasibility of Rapid Ephemeris Replace Final Ephemeris |
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| LONG Ren-bo WANG Jian XU Chang-hui GAO Jing-xiang.Research on the Feasibility of Rapid Ephemeris Replace Final Ephemeris[J].Surveying and Mapping of Sichuan,2011(3):106-107,141. |
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| Authors: | LONG Ren-bo WANG Jian XU Chang-hui GAO Jing-xiang |
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| Institution: | LONG Ren-bo WANG Jian XU Chang-hui GAO Jing-xiang (Key Laboratory for Resources Environment and Disaster Monitoring of SBSM,China University of Mining and Technology,Xuzhou 221008,China) |
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| Abstract: | Satellite ephemeris error and satellite clock error are important ones to influence the accuracy of the precise point positioning.The corresponding program are designed based on the traditional ionosphere-free model,Upon this,we do test on these two precise ephemeris——IGF、IGR and their clock errors provided by IGS,then analyze the influences on the precise point positioning.The results show that： the rapid ephemeris and its clock error can replace final ephemeris and its clock error on positioning. |
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| Keywords: | Precise ephemeris Precise clock offset PPP |
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