| 高程拟合变换的平面坐标获取方法研究 |
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| 引用本文： | 梁静,董岚,王铜,马娜,柯志勇,何振强,罗涛,门玲鸰,李波,王小龙.高程拟合变换的平面坐标获取方法研究[J].地理空间信息,2022,20(2):89-92. |
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| 作者姓名： | 梁静 董岚 王铜 马娜 柯志勇 何振强 罗涛 门玲鸰 李波 王小龙 |
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| 作者单位： | 中国科学院高能物理研究所,北京 100049;散裂中子源科学中心,广东 东莞 523803 |
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| 摘 要： | 提出一种基于高程拟合的数据处理方法,充分利用GPS高精度的三维观测,实现了将三维空间坐标转换为二维平面坐标。通过与传统椭球投影的结果对比,两者平均点位偏差为0.6 mm,结果表明了方法的正确性。由于无需椭球投影,这为平面坐标的数据处理提供了一种简单可行的方法。
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| 关 键 词： | 加速器准直 控制网测量 GPS测量 高程拟合 平面坐标 |
Research onthe Plane Coordinate Transformationby Height FittingMethod` |
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| LIANG Jing,DONG Lan,WANG Tong,MA Na,KE Zhiyong,HE Zhenqiang,LUO Tao,MEN Lingling,LI Bo,WANG Xiaolong.Research onthe Plane Coordinate Transformationby Height FittingMethod`[J].Geospatial Information,2022,20(2):89-92. |
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| Authors: | LIANG Jing DONG Lan WANG Tong MA Na KE Zhiyong HE Zhenqiang LUO Tao MEN Lingling LI Bo WANG Xiaolong |
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| Institution: | (Institute of High Energy Physics,Chinese Academy of Sciences(CAS),Beijing 100049,China;SpallationNeutron Source Science Center,Dongguan 523803,China) |
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| Abstract: | GPS and leveling were used respectively for planar and elevation measurement of the primary control network in particle accelerator facility.To get the planar coordinates,a new method based on height fitting was proposed to process the spatial coordinates observed by GPS,which achieved coordinate transformation from 3D to 2D by taking full advantage of the high accuracy of GPS.Compared with the traditional el-lipse projection method,the average point deviation is only 0.6mm.iff demonstrates the correctness of the proposed method.It provides an easy and feasible way to for data processing becauseellipse projection is not needed. |
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| Keywords: | Accelerator Alignment Control Network Measurement GPS Observation Height fitting Plane Coordinate |
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