| 桥梁施工测量GPS控制网布设的应用 |
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| 引用本文： | 欧阳溯.桥梁施工测量GPS控制网布设的应用[J].全球定位系统,2011,36(3):78-80. |
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| 作者姓名： | 欧阳溯 |
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| 作者单位： | 广东省地质局七0六地质大队,广东惠州,516081 |
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| 摘 要： | 桥梁施工控制网的质量是工程施工总体质量的基础。探讨了GPS控制网的方案设计，精度确定及外业布设流程与方法。重点研究了GPS坐标基准的选择与确定，内业数据处理。针对高程数据异常拟合模型参数估计，提出了两步抗差估计GPS高程拟合方法，有效地保证了似大地水准拟合模型的可靠性。
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| 关 键 词： | GPS 桥梁施工测量 控制网 两步抗差估计 |
Layout Plan of GPS Control Network based on Bridge Construction Survey |
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| OU Yang-su.Layout Plan of GPS Control Network based on Bridge Construction Survey[J].Gnss World of China,2011,36(3):78-80. |
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| Authors: | OU Yang-su |
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| Institution: | OU Yang-su(706 Geology Department,Guangdong Provincial Bureau of Geological Survey,Huizhou Guangdong 516081,China) |
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| Abstract: | It is the basis of the overall quality of construction to the bridge construction control network quality.The paper discussed the scheme design of GPS control network,accuracy determination,field layout process,and methods.It focused on the selection and identification of GPS coordinate reference,data processing.Aimmed to the fitting model parameter estimation of elevation data,proposed two-step robust estimation method of GPS height fitting,which effectively ensured the reliability of the geoid fitting mod... |
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| Keywords: | GPS bridge constrcution survey control network two-step robust estimation |
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