| 数字化曲线的最佳拟合 |
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| 引用本文： | 陶本藻,蓝悦明.数字化曲线的最佳拟合[J].工程勘察,2004(3). |
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| 作者姓名： | 陶本藻 蓝悦明 |
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| 作者单位： | 武汉大学测绘学院 湖北武汉430079
(陶本藻)，武汉大学测绘学院 湖北武汉430079(蓝悦明) |
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| 摘 要： | 本文针对数字化地图的曲线拟合精度进行了研究 ,提出了评定拟合质量的标准和计算方法。主要内容包括综合考虑拟合的模型误差和偶然误差的联合影响 ,论证了拟合方程优选的标准 ,给出了选模的实用方法 ,导出了模型误差的区间估计式以及拟合结果的不确定度公式 ,最后进行了实例验证。
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| 关 键 词： | 数字化地图 曲线拟合 模型误差 不确定度 |
The Best Curve Fitting of Digitizing Map |
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| Tao Benzao et al..The Best Curve Fitting of Digitizing Map[J].Geotechnical Investigation & Surveying,2004(3). |
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| Authors: | Tao Benzao |
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| Affiliation: | Tao Benzao et al. |
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| Abstract: | This paper deals with the precision of curve fitting for digitizing map.The evaluation standards and curve fitting methods are introduced.The main concerns are related to unite infection of systematic error and accidental ones.The selected standards are demonstrated and the applied methods given for the selected model.Finally the formula of uncertainty for systematic error resultant is also derived here. |
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| Keywords: | digitizing map curve fitting systematic error |
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