| ????????GPS???????侫????? |
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| 引用本文： | 邓兴升,孙虹虹,唐安雷.????????GPS???????侫?????[J].大地测量与地球动力学,2015,35(2):190-193. |
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| 作者姓名： | 邓兴升 孙虹虹 唐安雷 |
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| 作者单位： | 1 长沙理工大学测绘工程系，长沙市万家丽南路960号，410004 |
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| 基金项目： | 湖南省属科研机构技术创新发展专项(2012TF1004)；湖南省国土资源厅科研项目(2013\|27)；湖南省教育厅科研项目(13C1011)；特殊环境道路工程湖南省重点实验室开放基金(kfj120405) |
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| 摘 要： | ????Windows????WinTrack????????GPS???????????????10 Hz??????1 Hz?л????????????????????????????????????ж?????????￡?????????GPS????????????cm??????????????????????????????????????????????????????μ????????￡???5 m???????????????????????С??1 mm??
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| 关 键 词： | WinTrack ??? ????? GPS???? |
| 收稿时间： | 2014-03-05 |
The High-Rate Single Epoch GPS Double Difference Solution and Its Accuracy Analysis |
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| DENG Xingsheng,SUN Honghong,TANG Anlei.The High-Rate Single Epoch GPS Double Difference Solution and Its Accuracy Analysis[J].Journal of Geodesy and Geodynamics,2015,35(2):190-193. |
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| Authors: | DENG Xingsheng SUN Honghong TANG Anlei |
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| Institution: | 1 Department of Surveying Engineering, Changsha University of Science &; Technology, 960 South\|Wanjiali Road, Changsha 410004, China |
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| Abstract: | A high\|rate single\|epoch software using GPS double difference, WinTrack, is developed and used to analyze the precision of a dynamic differential positioning solution using high\|rate GPS data with short baselines of 10 Hz and medium baselines of 1 Hz.The single epoch GPS solution accuracy of broadcast ephemeris and three kinds of precise ephemeris (IGU, IGR and IGS) are compared. Experimental results show their accuracy is almost the same under the condition of a medium\|short baseline. A conservative estimation of the accuracy of high\|rate single epoch GPS solution is 1 cm. The accuracy is relative to observational condition, observational time and data quality. |
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| Keywords: | WinTrack high-rate single-epoch GPS solution |
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