基于一元三次方程求解的地心坐标至大地坐标的严密变换 |
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引用本文: | 李少元,高北晨,陈志辉.基于一元三次方程求解的地心坐标至大地坐标的严密变换[J].石家庄铁道学院学报(社会科学版),2006(3):11-13. |
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作者姓名: | 李少元 高北晨 陈志辉 |
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作者单位: | [1]石家庄铁道学院土木工程分院,河北石家庄050043 [2]武汉大学测绘学院,湖北武汉430079 |
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摘 要: | 基于一元三次方程的求解,给出了地心坐标向大地坐标转换的严密计算公式,并用算例说明了其正确性。本文提出的方法完全可以替代现有的以数值迭代计算为基础的转换方法。
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关 键 词: | 坐标变换 一元三次方程 严密公式 |
修稿时间: | 2006/2/20 0:00:00 |
A Rigorous Conversion from Geocentric to Geodetic Coordinates Based on the Solution to Univariate Cubic Equation |
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Authors: | Li Shaoyuan Gao Beichen Chen Zhihui |
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Institution: | 1. School of Civil Engineering, Shijiazhuang Railway Institute, Shijiazhuang 050043,China; 2. College of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China |
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Abstract: | Based on the solution to univariate cubic equation, this paper puts forward a rigorous coordinate conversion method from geocentric system to geodetic system. An example is given to validate this method. It can be used in practice in stead of the existing |
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Keywords: | coordinate conversion univariate cubic equation rigorous formulae |
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