| 基于GPS测量像控点的精度分析 |
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| 引用本文： | 朱明.基于GPS测量像控点的精度分析[J].安徽建筑工业学院学报,2009,17(4):78-80. |
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| 作者姓名： | 朱明 |
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| 作者单位： | 安徽省水文局,合肥,230022 |
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| 摘 要： | 在全国第二次土地调查中,笔者采用GPS卫星定位系统测量底图像控点.将GPS测量所获得的地心坐标转换成地参坐标,以此获得进行GPS网约束平差时,对已知点的地参坐标的精度进行检验的方法,以此作为依据来判断已知点可靠性.
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| 关 键 词： | 像控点 GPS网 约束平差 尺度比参数 精度分析 |
Precision analysis on the image control points by GPS |
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| ZHU Ming.Precision analysis on the image control points by GPS[J].Journal of Anhui Institute of Architecture(Natural Science),2009,17(4):78-80. |
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| Authors: | ZHU Ming |
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| Affiliation: | ZHU Ming(Anhui Hydrological Bureau,Hefei 230022,China) |
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| Abstract: | The case of the image contral points of base map by GPS survey in the 2nd nationwide land investigation was introduced,and the coordinate of GPS survey from geocentric coordinate system was converted to local ellipsoidal coordinate system.The method is used to test the precision of local ellipsoidal coordinate of known control points at the time of GPS network constrained adjustment,and is to estimate the dependability of known control points. |
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| Keywords: | image control points GPS network constrained adjustment scale parameter precision analysis |
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