| 多面函数模型中核函数个数对GPS高程拟合精度影响分析 |
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| 引用本文： | 袁豹,丁旭.多面函数模型中核函数个数对GPS高程拟合精度影响分析[J].现代测绘,2010,33(6). |
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| 作者姓名： | 袁豹 丁旭 |
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| 作者单位： | 河海大学测绘科学与工程系; |
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| 摘 要： | 在局部地区GPS高程拟合中,选择不同的拟合模型和方法会对GPS高程拟合的精度产生很大的影响。本文通过对多面函数拟合模型中不同核函数中心点个数选择对GPS高程拟合精度影响的研究,通过实例计算分析得到结论:核函数中心点因个数选取的不同,对GPS高程拟合精度的影响较大,在采用多面函数模型拟合GPS高程时,应该考虑核函数中心点个数的选择问题。
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| 关 键 词： | 多面函数 高程拟合 核函数中心点 精度分析 |
Function Model Based on multi-faceted Function of the Number of Nuclear Choose Accuracy of GPS Height |
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| YUAN Bao,DING Xu.Function Model Based on multi-faceted Function of the Number of Nuclear Choose Accuracy of GPS Height[J].Modern Surveying and Mapping,2010,33(6). |
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| Authors: | YUAN Bao DING Xu |
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| Institution: | YUAN Bao,DING Xu(Surveying and Mapping Science and Engineering of Hohai University,Nanjing,Jiangsu 210098) |
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| Abstract: | GPS Height in some areas,the choice of different methods of fitting models and GPS Height accuracy will have a huge impact.Based on the multi-faceted function fitting the model number of different kernel functions chosen to center accuracy of GPS Height study,the practical calculation of conclusion,the number of the selected kernel function center is different on the accuracy of GPS Height the impact of large multi-faceted functions in the model fitting using GPS altitude should be considered the center of ... |
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| Keywords: | multidimensional function elevation fitting kernel function center accuracy analysis |
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