| GIS中直线元内插点精度及对误差带的影响 |
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| 引用本文： | 魏峰远,邰茜.GIS中直线元内插点精度及对误差带的影响[J].测绘学院学报,2005,22(3):232-234. |
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| 作者姓名： | 魏峰远 邰茜 |
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| 作者单位： | [1]信息工程大学测绘学院,河南郑州450052 [2]河南理工大学测量工程系,河南焦作454100 [3]河南交通职业技术学院,河南郑州450052 |
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| 摘 要： | 基于误差传播定律，考虑参数r误差影响，推导了线元内插点的精度计算公式，讨论内插点精度对线元误差带的影响，并对影响的结果进行了分析，得到了一些有益的结论。
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| 关 键 词： | 内插点 直线元 误差带 精度 |
| 文章编号： | 1009-427X（2005）03-0232-03 |
| 收稿时间： | 2005-02-21 |
| 修稿时间： | 2005-06-08 |
The Accuracy of Interpolation Point for Line Segments in GIS and the Influences to the Error Band |
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| WEI Feng-yuan, TAI Qian.The Accuracy of Interpolation Point for Line Segments in GIS and the Influences to the Error Band[J].Journal of Institute of Surveying and Mapping,2005,22(3):232-234. |
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| Authors: | WEI Feng-yuan TAI Qian |
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| Institution: | 1 .Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 450052 ,China; 2 .Department of Surveying Engineering, Henan Polytechnic University, Jiaozuo 454000,China; 3 .Henan Communication Vocational Technology College, Zhengzhou 450052 ,China |
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| Abstract: | Based on the theory of error propagation, considering the error impact of parameter, this paper derives the accuracy formula of interpolation point on line segment. The influences on the error band are discussed with the accuracy of interpolation point. And the result is analyzed. Some beneficial conclusions are achieved. |
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| Keywords: | interpolation point line segments error band accuracy |
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