| GPS水准单一模型和综合模型精度比较 |
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| 引用本文： | 袁德宝,崔希民,王果,王圣尧,邱亚辉,纪银晓.GPS水准单一模型和综合模型精度比较[J].测绘科学,2011,36(5):55-56,48. |
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| 作者姓名： | 袁德宝 崔希民 王果 王圣尧 邱亚辉 纪银晓 |
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| 作者单位： | 中国矿业大学地球科学与测绘工程学院,北京,100083 |
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| 基金项目： | 国家重点基础研究发展计划(2007CB209400); 教育部新世纪优秀人才支持计划(NCET-07-0798); 中央高校基本科研业务费专项资金资助 |
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| 摘 要： | GPS水准模型在很大程度上决定着拟合精度的高低,采用不同的模型,对GPS水准拟合的情况将产生不同的影响,因此,模型的选取对GPS水准来说是个关键问题。本文分别选取了GPS水准单一模型和综合模型,借助于MATLAB将某矿区的实测数据进行拟合,并对拟合结果进行比较。拟合结果表明:综合模型的精度和可靠性高于单一模型,能更好地代替水准测量。
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| 关 键 词： | 高程异常 GPS水准 模型 精度 |
Accuracy comparison between single models and integrated models of GPS leveling |
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| YUAN De-bao,CUI Xi-min,WANG Guo,WANG Sheng-yao,QIU Ya-hui,JI Yin-xiao.Accuracy comparison between single models and integrated models of GPS leveling[J].Science of Surveying and Mapping,2011,36(5):55-56,48. |
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| Authors: | YUAN De-bao CUI Xi-min WANG Guo WANG Sheng-yao QIU Ya-hui JI Yin-xiao |
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| Institution: | YUAN De-bao,CUI Xi-min,WANG Guo,WANG Sheng-yao,QIU Ya-hui,JI Yin-xiao(College of Geosciences and Surveying Engineering,CUMT,Beijing 100083,China) |
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| Abstract: | To a large extent,GPS leveling model determines the fitting precision.Different models fit the situation of the GPS leveling with different results,therefore,the selection of the GPS leveling model is a key issue.In this paper,the single model and the integrated model were selected,by means of MATLAB,experimental data of a mine area was fitted and fitting results were compared.The fitting results showed that the precision and reliability of integrated model were better than single model,and the former one c... |
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| Keywords: | height anomaly GPS leveling model accuracy |
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