| GPS控制网中起算数据的检验方法与可靠性分析 |
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| 引用本文： | 张朋吉.GPS控制网中起算数据的检验方法与可靠性分析[J].测绘与空间地理信息,2009,32(2). |
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| 作者姓名： | 张朋吉 |
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| 作者单位： | 甘肃省测绘工程院,甘肃,兰州,730050 |
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| 摘 要： | 在GPS网约束平差或联合平差中,起算数据的质量直接影响成果精度,因此,对起算点的数据质量进行检验与可靠性分析显得尤为重要.本文介绍了起算数据检验与可靠性分析的基本方法,重点阐述利用"检查点法"确定最佳起算数据的方法,并以华亭GPS网为例对该方法的有效性进行了验证.
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| 关 键 词： | GPS控制网 起算数据 检查点法 可靠性 |
Testing Method of Initial-Data and Reliability Analysis in GPS Control Network |
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| ZHANG Peng-ji.Testing Method of Initial-Data and Reliability Analysis in GPS Control Network[J].Geomatics & Spatial Information Technology,2009,32(2). |
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| Authors: | ZHANG Peng-ji |
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| Institution: | Gansu Province Engineering Institution of Surveying and Mapping;Lanzhou 730050;China |
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| Abstract: | In adjustment with restricted condition or combined adjustment of GPS network,the quality of Initial-Data directly affects achievement precision.Therefore,it is very important to test the quality and reliability of Initial-Data.The paper introduced the basic method of testing the quality and reliability of Initial-Data,and expatiated the method to make sure optimal Initial-Data by making use of Checkpoint Method.The method was validated by an example of Huating GPS network. |
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| Keywords: | GPS control network Initial-Data Checkpoint method reliability |
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