| GPS静态相对定位技术在城市区域控制测量中的应用 |
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| 引用本文： | 赵庆志,张书毕.GPS静态相对定位技术在城市区域控制测量中的应用[J].全球定位系统,2012,37(4):64-66. |
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| 作者姓名： | 赵庆志 张书毕 |
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| 作者单位： | 1. 中国矿业大学环境与测绘学院,江苏徐州221008 江苏省资源环境信息工程重点实验室,江苏徐州221008
2. 江苏省资源环境信息工程重点实验室,江苏徐州,221008 |
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| 摘 要： | 以泰安市泰山区为例,介绍了GPS静态相对定位技术在新建控制网测量中的应用,讨论了用GPS静态相对定位技术建立城市区域控制网的方法,指出了在GPS测量中应注意的问题。基线解算和网平差方面,进行了三维无约束平差计算和二维约束平差,分析了城市GPS区域控制网所能达到的精度。在GPS网三维无约束平差的基础上,结合人工干预的方法剔除误差,使之可以达到更高等级GPS网的测量精度要求,能够满足城市建设和城市规划的测量成果的需求。
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| 关 键 词： | GPS GPS静态相对定位 三维无约束平差 二维约束平差 |
The Exploration and Application of Control Measures of GPS Static Relative Positioning Techniques in Urban Areas |
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| ZHAO Qingzhi,ZHANG Shubi.The Exploration and Application of Control Measures of GPS Static Relative Positioning Techniques in Urban Areas[J].Gnss World of China,2012,37(4):64-66. |
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| Authors: | ZHAO Qingzhi ZHANG Shubi |
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| Institution: | 1.School of Environment Science and Spatial Informatics,China University of Mining and Technology, Xuzhou Jiangsu 221008,China;2.Jiangsu Key Laboratory of Resources and Environmental Information Engineering,Xuzhou Jiangsu 221008,China) |
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| Abstract: | GPS static relative positioning technology in the new control network measurement applications is introduced for Taian city,the use of GPS static relative positioning technology to establish methods of control network in urban areas is discussed,and some GPS measurements problems should be noted.Baseline solution and network adjustment,the adjustment was calculated three-dimensional and two-dimensional non-binding constraint adjustment,and analysis of urban areas GPS control network can achieve accuracy.Three-dimensional non-binding in the GPS network adjustment,based on the combined method of removing human intervention error,so that it can achieve a higher level of measurement precision GPS network to meet urban construction,and urban planning needs of the measurement results. |
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| Keywords: | GPS GPS static relative positioning three-dimensional unconstrained adjustment two-dimensional constraint adjustment |
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