| 不同插值方法绘制断面图效果分析 |
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| 引用本文： | 韩继伟,孔凡哲,宋晓猛,赵磊.不同插值方法绘制断面图效果分析[J].水文,2012(1):65-68. |
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| 作者姓名： | 韩继伟 孔凡哲 宋晓猛 赵磊 |
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| 作者单位： | 中国矿业大学资源与地球科学学院 |
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| 基金项目： | 国家自然科学基金资助项目(50309002) |
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| 摘 要： | 介绍了绘制断面图中的各种插值方法,具体包括线性插值和分段非线性插值;分析了目前使用的线性插值方法绘制断面图的不足:精度一般、不光滑;提出了用分段非线性插值绘制断面图的方法;分段非线性插值精度高、光滑性好,所以分段非线性插值绘制断面图能很好地弥补线性插值的不足,而且它在计算机处理水文数据领域有不错的应用前景。
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| 关 键 词： | 断面图 线性插值 Hermite插值 样条插值 光滑 精度 |
Effectiveness Analysis of Different Interpolation Methods for Cross Section Drawing |
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| HAN Jiwei,KONG Fanzhe,SONG Xiaomeng,ZHAO Lei.Effectiveness Analysis of Different Interpolation Methods for Cross Section Drawing[J].Hydrology,2012(1):65-68. |
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| Authors: | HAN Jiwei KONG Fanzhe SONG Xiaomeng ZHAO Lei |
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| Institution: | (School of Resources and Earth Science,China University of Mining & Technology,Xuzhou 221116,China) |
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| Abstract: | This paper introduced the different interpolation methods for cross section drawing,including linear interpolation and piecewise linear interpolation,analyzed shortage in precision and smoothness of drawing cross sections using the linear interpolation method,and suggested using the piecewise linear interpolation method to improve the precision and smoothness. |
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| Keywords: | cross section diagram linear interpolation Hermite interpolation spline interpolation smooth accuracy |
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