| 对流层传播延迟改正 |
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| 引用本文： | 杨力,隋立芬.对流层传播延迟改正[J].测绘学院学报,2001,18(3):182-185. |
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| 作者姓名： | 杨力 隋立芬 |
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| 作者单位： | 信息工程大学测绘学院 河南郑州450052
(杨力)，信息工程大学测绘学院 河南郑州450052(隋立芬) |
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| 摘 要： | 介绍了流层大气折射对GPS信息的影响及修正方法，着重讨论了各种天顶延迟计算方法和投影函数模型；通过试算，并分析比较这些模型的差异，得出了一些有益的结果。
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| 关 键 词： | GPS测量 对流层传播延迟 修正模型 大气折射 投影函数模型 全球定位系统 |
The Correction of the Tropospheric Propagation Delay Error in GPS Surveying |
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| YANG Li,SUI Li-fen.The Correction of the Tropospheric Propagation Delay Error in GPS Surveying[J].Journal of Institute of Surveying and Mapping,2001,18(3):182-185. |
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| Authors: | YANG Li SUI Li-fen |
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| Abstract: | The tropospheric propagation delay is one of the basic factors of positioning error in GPS surveying. In this paper, firstly, attribute of refraction of atmosphere in troposphere and its effects on radio waves and the formulas to modify it were introduced. Then some models of zenith delay and projection functions were discussed. Finally, some beneficial results were deduced by analyzing differences among these models. |
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| Keywords: | GPS surveying tropospheric delay correction formula |
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