| 滑动邻域克里金插值法的改进 |
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| 引用本文： | 牛文杰,朱大培,陈其明. 滑动邻域克里金插值法的改进[J]. 计算机辅助设计与图形学学报, 2001, 13(8): 752-756 |
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| 作者姓名： | 牛文杰 朱大培 陈其明 |
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| 作者单位： | 1. 北京航空航天大学机械工程与自动化学院
2. 北京航空航天大学计算机科学与工程系 |
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| 摘 要： | 在分析了原滑动邻域克里金插值法存在的不足之后，提出了在插值过程 中利用多元逐步回归方法确定待插点邻域化变量的漂移次数，利用三角网格剖分后的节点数据结构，快速搜索局部邻域内的已知点，变异函数参数的求取采用受限最大假然法的改进方法，应用实例的效果表明，改进的滑动邻域克里金插值法优于原方法。
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| 关 键 词： | 滑动邻域克里金插值 科学计算可视化 三角网格剖分 计算机图形学 |
| 修稿时间： | 2000-09-07 |
Improvement of Moving Neighborhood Kriging Method |
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| NIU Wen-Jie ) ZHU Da-Pei ) CHEN Qi-Ming ) ). Improvement of Moving Neighborhood Kriging Method[J]. Journal of Computer-Aided Design & Computer Graphics, 2001, 13(8): 752-756 |
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| Authors: | NIU Wen-Jie ) ZHU Da-Pei ) CHEN Qi-Ming ) ) |
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| Affiliation: | NIU Wen-Jie 1) ZHU Da-Pei 2) CHEN Qi-Ming 1) 1) |
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| Abstract: | After analyzing the shortcoming of conventional moving neighborhood Kriging, a modified approach of data interpolation is presented to determine the trend of drifting by multi-elemental regression, search known points within neighborhood using data structure of triangular mesh, and evaluate the coefficients of variogram by restricted maximum likelihood. An example shows that the effect of modified approach is better than that of conventional one. |
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| Keywords: | moving neighborhood Kriging quasi-stationary restricted maximum-likelihood multi-elemental regression triangulation |
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