2000独立坐标系参数反演算法研究及应用

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英文篇名：Parameter inversion algorithm of CGCS2000 independent coordinate system 作者：秦亮军 ; 余锐 英文作者：Qin Liangjun;Yu Rui;Guangzhou Urban Planning & Design Survey Research Institute; 关键词：CGCS2000 ; 反演算法 ; 广州2000坐标系 ; 城市独立坐标系 ; 无缝衔接 英文关键词：CGCS2000;;inversion algorithm;;Guangzhou 2000 coordinate system;;city independent coordinate system;;seamless 中文刊名：GCKC 英文刊名：Geotechnical Investigation & Surveying 机构：广州市城市规划勘测设计研究院; 出版日期：2019-04-01 出版单位：工程勘察 年：2019 期：v.47;No.357 基金：广州市珠江科技新星专项(项目编号:2013J2200072);; 广州市科技计划项目(201704030102);; 广东省科技计划项目(2015B090903020);; 自然科学基金青年项目(41704004) 语种：中文; 页：GCKC201904007 页数：5 CN：04 ISSN：11-2025/TU 分类号：44-48

摘要

针对基于CGCS2000参考椭球新建城市2000独立坐标系与城市原坐标系无法精准衔接,需要巨大的数据转换工作量的问题,提出城市2000坐标系参数反演算法。该算法能够实现城市新建2000独立坐标系与原坐标系同名点坐标较差在±5cm以内,使得新旧资料无缝衔接,同时原坐标系的成果可延续使用。最后详细说明了该算法在广州2000坐标系建立过程中的应用,证明了该算法的正确性和可靠性。
        Because new 2000 independent coordinate system and the original coordinate system can't accurate cohesion, it is a huge transformation work from one coordinate system to the other, this paper puts forward a parameter inversion algorithm for city 2000 coordinate system. The algorithm can implement the same point coordinates within +/-5 cm between the two coordinate systems, and combine the old and new data seamlessly, at the same time the results in the original coordinate system can continue to be used. Finally the algorithm is described in detail in Guangzhou 2000 coordinate system established, and it is proved the correctness and reliability.

引文

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