摘要
利用投影变换和拉直变换，得到了方差和协方差估计的一种新模型──线性模型。该模型将方差和协方差分量的二次估计问题变为我们所熟知的线性估计问题。本文介绍了该方法的原理，证明了估计量θ的统计性质。
This paper presents a new model of variance and covariance components estimation by applied projective transformation and representation of matrices by vectors. The method changes the quadratic estimation of varisnce and covarisnce components into the linear model.Some statistical characters of the estimate have been proved.
出处
《武汉测绘科技大学学报》
CSCD
1994年第3期239-243,共5页
Geomatics and Information Science of Wuhan University
基金
国家测绘局"八五"重点科技攻关资助
关键词
拉直变换
方差
协方差分量
线性模型
二次估计
representation of matrices by vectors
variance and covariance components estimation
linear model
