| 方差分量估计前提初探 |
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| 引用本文： | 刘长建,柴洪洲,吴洪举,马高峰,谷跃,张前恩.方差分量估计前提初探[J].测绘科学,2009,34(3). |
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| 作者姓名： | 刘长建 柴洪洲 吴洪举 马高峰 谷跃 张前恩 |
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| 作者单位： | 1. 信息工程大学,测绘学院,郑州,450052
2. 成都军区测绘大队,成都,610034 |
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| 摘 要： | 根据方差分量估计理论,即使随机模型本身已经正确,方差分量估计也会得到不同于通常意义上的最优线性无偏最小二乘估计。此外,由于方差分量估计计算工作量一般较大,因此,本文提出了利用统计检验方法来判断是否进行方差分量估计的想法,并进行了初步研究。
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| 关 键 词： | 方差分量估计前提 随机模型 函数模型 |
Pilot study on the precondition of variance components estimation |
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| LIU Chang-jian,CHAI Hong-zhou,WU Hong-ju,MA Gao-feng,GU Yue,ZHANG Qian-en.Pilot study on the precondition of variance components estimation[J].Science of Surveying and Mapping,2009,34(3). |
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| Authors: | LIU Chang-jian CHAI Hong-zhou WU Hong-ju MA Gao-feng GU Yue ZHANG Qian-en |
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| Abstract: | According to the theory of variance components estimation,the results of variance components estimation will differ with the best linear unbiased least-squares estimator in common even though the stochastic model is right.Furthermore,it may take more time because of iterating computation for variance components estimation.Therefore,the precondition of variance components estimation is provided by use of the statistical method and studied. |
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| Keywords: | precondition of variance components estimation stochastic model functional model |
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