| 岩土参数随机场空间最优估计精度分析与特异值研究 |
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| 引用本文： | 张征,程祖锋,王恩祥,刘淑春.岩土参数随机场空间最优估计精度分析与特异值研究[J].岩土工程学报,1999,21(5):586-590. |
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| 作者姓名： | 张征 程祖锋 王恩祥 刘淑春 |
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| 作者单位： | 北京林业大学资源与环境学院!北京；100083；河北建筑科技学院!邯郸；056038；邯郸市工程质检总站!邯郸；056001； |
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| 摘 要： | 阐述了克立格方差的特点， 并结合实际对岩土参数随机场空间最优估计的局部估计精度进行了分析， 探讨了影响岩土参数空间最优估计精度的特异值的处理方法。研究结果表明， 对存在特异值的岩土参数随机场进行估计时，应用指示克立格法能够获得符合实际的空间最优估计效果。
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| 关 键 词： | 岩土参数 随机场 局部估计精度 特异值 克立格方差 |
The accuracy analysis on Kriging estimation of the geotechnical parameters random fields and a approach to the outliers processing |
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| Zhang Zheng,Cheng Zufeng,Wang Enxiang,Liu Shuchun.The accuracy analysis on Kriging estimation of the geotechnical parameters random fields and a approach to the outliers processing[J].Chinese Journal of Geotechnical Engineering,1999,21(5):586-590. |
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| Authors: | Zhang Zheng Cheng Zufeng Wang Enxiang Liu Shuchun |
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| Affiliation: | College of Forest Resources and Environment Beijing Forestry University Beijing 100083 Hebei Institute of Architectural Science and Technology Handan 056038 Handan Central Engineering Quality Testing |
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| Abstract: | In Kriging estimation on the geotechnical parameters ,Kriging variance has a special meaning.This paper elaborates the characteristics of Kriging variance,and analyses systematically the locally estimated Kriging accuracy of the random fields of geotechnical parameters in the light of a practical example. The concrete procedure to deal with the outliers which exert a great influence on estimated Kriging accuracy of the geotechnical parameters has been preliminarily researched in the paper too. |
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| Keywords: | geotechnical parameters random fields locally estimated accuracy outliers Kriging variance |
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