方法：在协方差分析与方差分析中使用哑变量。
Method: Dummy variable is used for analysis of covariance and analysis of variance.
与传统的方法相比，无需对随机信号的协方差函数的功率谱进行分解，不受限于协方差函数的功率谱是否为有理式。
Compared with the traditional method, it does not need disassembling the power spectral densities of stochastic signal covariance and is not bound to if the power spectral densities are rational.
将线性混合模型中随机效应的协方差阵推广为正定阵，运用方差分析估计的方法给出了方差分量的估计。
In this paper, the covariance matrix of random effect in linear mixed model is extended to positive matrix. We construct the estimation of variance components based on the idea of ANOVA estimation.
本文提出了一种新型的并行三维纹理综合算法，即：基于图象的自协方差函数，均值和方差的纹理综合方法。
A new 3-d texture synthetic method is proposed in this paper, i. e., the parallel 3-d texture synthetic algorithm based on autocorrelation parameters, the mean and the variance of texture images.
该方法包括：1）将选权拟合的方法应用于确定未知参数及其方差-协方差阵的初值；
The improvement includes: 1) the adaptive filtering by selection of the parameter weights is applied in the parameter estimation;
该方法包括：1）将选权拟合的方法应用于确定未知参数及其方差-协方差阵的初值；
The improvement includes: 1) the adaptive filtering by selection of the parameter weights is applied in the parameter estimation;
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