| Gauss—Markov结构下GM估计关于线性变换的不变性 |
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| 引用本文： | 谢振中,李春雷.Gauss—Markov结构下GM估计关于线性变换的不变性[J].通化师范学院学报,2012,33(6):6-8. |
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| 作者姓名： | 谢振中 李春雷 |
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| 作者单位： | 邵阳学院理学与信息科学系,湖南邵阳,422000 |
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| 摘 要： | 在文1]的基础上讨论了Gauss—Markov结构下线性变换对GM估计所产生的偏差，并减弱了文1]的相关条件，给出了同一可估函数的GM估计具有不变性的充分必要条件．
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| 关 键 词： | 线性变换 GAUSS—Markov 结构 GM估计 不变性 |
Linear Transformation Invariance of GM Estimation under the Gauss -Markov Structure |
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| XIE Zhen-zhong,LI Chun-lei.Linear Transformation Invariance of GM Estimation under the Gauss -Markov Structure[J].Journal of Tonghua Teachers College,2012,33(6):6-8. |
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| Authors: | XIE Zhen-zhong LI Chun-lei |
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| Institution: | (Department of Science and Information Science,Shaoyang University,Shaoyang,Hunan 422000,China) |
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| Abstract: | The bias of GM estimation caused by the linear transformation was studied under the Gauss-Markov structure on the basis of the article1],and gave a necessary and sufficient condition of invariance about the GM estimation of the same estimable functions by the weakening of article1]related conditions. |
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| Keywords: | linear transformation Gauss - Markov structure GM estimation invariance |
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