| 一种快速获取GPS控制网精确WGS-84坐标方法 |
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| 引用本文： | 郭固良,曾凡河.一种快速获取GPS控制网精确WGS-84坐标方法[J].北京测绘,2006(3):44-46,25. |
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| 作者姓名： | 郭固良 曾凡河 |
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| 作者单位： | 湛江市规划勘测设计院,广东,湛江,524002;中南大学测绘与国土信息工程系,湖南,长沙,410083 |
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| 摘 要： | 详细介绍了一种快速求取GPS控制网的精确WGS-84坐标的方法。首先选择三个天空通视条件较好、分布合理的控制网点,与附近的IGS跟踪站进行长基线相对定位或者直接进行静态精密单点定位,求得三点精确的WGS-84坐标,然后将这三个点作为已知点在WGS-84坐标系下进行三维约束平差,可求得控制网其它点精确的WGS-84坐标,这样求得网点的WGS-84坐标具有厘米级精度。
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| 关 键 词： | 长基线 精密单点定位 WGS-84坐标系 三维约束平差 |
| 文章编号： | 1007-3000(2006)03-4 |
| 收稿时间： | 2006-05-11 |
| 修稿时间： | 2006-05-11 |
A Method of Fast Gaining Precise WGS-84 Coordinates of All GPS Control Points |
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| GUO Gu-Liang,ZENG Fan-He.A Method of Fast Gaining Precise WGS-84 Coordinates of All GPS Control Points[J].Beijing Surveying and Mapping,2006(3):44-46,25. |
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| Authors: | GUO Gu-Liang ZENG Fan-He |
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| Abstract: | In this paper a method of fast gaining precise WGS-84 coordinates of all GPS Control points line relative positioning or Precise Point Positioning is implemented. Thus precise WGS-84 coordinates of there control points are gained. Then with there three points as the known points three-dimensional restricting adjustment is implemented in WGS-84 coordinate system. Thus all control points have WGS-84 coordinates with precision in centimeter. |
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| Keywords: | long baseline precise point positioning WGS-84 coordinate system three-dimensional restricting adjustment |
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