| 大地坐标的严密解算与精度分析 |
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| 引用本文： | 陈再辉,江丽钧,江伟勇,朱晓燕.大地坐标的严密解算与精度分析[J].海洋测绘,2011,31(5):12-14. |
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| 作者姓名： | 陈再辉 江丽钧 江伟勇 朱晓燕 |
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| 作者单位： | 浙江省丽水市测绘与地理信息局,浙江丽水,323000 |
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| 摘 要： | 基于纬度计算的严密公式,使用高斯牛顿法,直接对大地坐标的纬度值进行求解,过程易于理解,计算结果精确,同时给出了纬度对大地高精度的影响公式,分析纬度的变化对大地高解算精度的影响程度。
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| 关 键 词： | 空间直角坐标 大地坐标 高斯牛顿法 |
Solution and Accuracy Analysis for Geodetic Coordinate |
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| CHEN Zai-hui,JIANG Li-jun,JIANG Wei-yong,ZHU Xiao-yan.Solution and Accuracy Analysis for Geodetic Coordinate[J].Hydrographic Surveying and Charting,2011,31(5):12-14. |
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| Authors: | CHEN Zai-hui JIANG Li-jun JIANG Wei-yong ZHU Xiao-yan |
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| Institution: | CHEN Zai-hui,JIANG Li-jun,JIANG Wei-yong,ZHU Xiao-yan(Mapping Center,Lishui Bureau of Surveying and Mapping and Geographic Information,Lishui,Zhejiang,323000) |
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| Abstract: | In this article,latitude calculation is based on strict formula.The Gauss-Newton method is used.The latitude of geodetic coordinate is solved directly.The process is easy to understand.Results are accurate.At the same time,the formula of height accuracy impaced by latitude is given.While latitude is changed,the impact of geodetic height precision is analyzed. |
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| Keywords: | rectangular space coordinate geodetic coordinate Gauss Newton method |
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