| Earth Rotation Parameter Estimation by GPS Observations |
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| 作者姓名： | YAO Yibin |
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| 作者单位： | School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road,Wuhan 430079,China |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，国家自然科学基金 |
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| 摘 要： | The methods of Earth rotation parameter （ERP） estimation based on IGS SINEX file of GPS so- lution are discussed in detail. There are two different ways to estimate ERP： one is the parameter transformation method, and the other is direct adjustment method with restrictive conditions. By comparing the estimated results with independent copyright program to IERS results, the residual systemic error can be found in estimated ERP with GPS observations.
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| 关 键 词： | GPS 全球定位系统 地球旋转参数 ERP |
| 文章编号： | 1009-5020（2006）04-260-05 |
| 收稿时间： | 2006-07-03 |
Earth rotation parameter estimation by GPS observations |
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| YAO Yibin.Earth Rotation Parameter Estimation by GPS Observations[J].Geo-Spatial Information Science,2006,9(4):260-264. |
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| Authors: | Yao Yibin PhD |
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| Abstract: | The methods of Earth rotation parameter (ERP) estimation based on IGS SINEX file of GPS solution are discussed in detail. There are two different ways to estimate ERP: one is the parameter transformation method, and the other is direct adjustment method with restrictive conditions. By comparing the estimated results with independent copyright program to IERS results, the residual systemic error can be found in estimated ERP with GPS observations. |
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| Keywords: | Earth rotation parameter parameter transformation systemic error daily SINEX file |
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