用MINQUE法估算各项方差分量,然后对品种效应的线性对比作显著性测验。
Variance components estimated by MINQUE method can be used in significance test for linear contrasts of variety effects.
针对卫星精密定轨过程中观测资料存在粗差以及观测资料的合理定权问题,将抗差方差分量估计引入到卫星精密定轨中。
In this paper, the robust variance component estimation is introduced into the satellite orbit determination to resist the effects of outlying observations and to determine the weights.
这种模型的未知参数分两类,一类是固定效应,一类是方差分量。
The unknown parameters of this model are divided into two categories: one is the fixed effects, and the other is the variance components.
利用这个矩阵,为分离世代方差分量的分解提供了一个较为有效的方法。
And using them an effective method for the partition of components of variation in segregating generations was developed.
本程序能对各种类型的控制网进行严密平差及方差分量估计,并输出平差后的各种信息。
The program can conduct rigorous adjustment and variance component estimation on all kinds of control networks and output all kinds of information after adjustment.
方差分量模型的随机效应的协方差为单位阵时《线性模型引论》已进行研究。
Variance component model of the random effects of covariance matrix unit for the "Linear model introduction" matrix has been studied.
线性模型是很重要的一类统计模型,它包括线性回归模型、方差分析模型、协方差分析模型和方差分量模型等等。
Linear models are especially important statistical models, including linear regression model, variance and analysis, covariance and analysis, and variance and component one etc.
主分量分析得到的前三个主分量的累计方差贡献率为35.7%,第一主分量的方差贡献率为20.22%。
The accumulative variance contribution of the first three principal components was 35.7%. The first principal component encompassed only 20.22% of the total variation.
方差-协方差分量估计公式等价性的进一步证明。
Further Broof on the Equivalence of the Formulas of Variance-covariance Component Estimation.
通过附有条件的间接平差模型进一步证明各类方差-协方差分量估计公式之间的等价性。
In this paper, through the model of parameter adjustment with constraints among the parameters, a further proof on the equivalence of the formulas of variance-covariance components is gives.
为了得到参数的最优估计和合理的精度评定,应利用赫尔默特方差分量估计法进行联合平差处理。
In order to obtain the optimal parameter estimates and reasonable accuracy evaluation should use Helmert variance component estimation method to deal with the combined adjustment.
最后,从方差分量估计的角度讨论了先验约束对观测值自由度的影响。
At last, the effect of apriori constraints on the degree of freedom for observations is discussed from the viewpoint of VCE.
考虑含有两个方差分量矩阵的多元混合模型,将一元混合模型下的谱分解估计推广到多元模型下。
Spectral decomposition estimators of variance component matrix in mixed linear model are generalized to multivariate mixed linear model.
分析当多元随机变量协方差阵正定时,各随机分量应满足的关系,并结合多项分布研究离散型与连续型样本协方差阵的不同。
And studying the difference of positive defined matrix of discrete and continuous sample by using of mal-distribution and the relationship among weights.
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.
对含两个方差分量的一般线性混合模型,我们给出其方差分量的改进估计,主要对组合谱分解估计进行改进。
We compare the spectral decomposition estimate by the analysis of variance estimate in the linear mixed model with two variance components.
在状态估计领域中,指标要求常直接以状态分量的估计误差方差上限的形式给出。
The motivation for this study is that in the area of state estimation, the Performance requirements are usually described in terms of the upper bounds on the error variance of state estimation.
在状态估计领域中,指标要求常直接以状态分量的估计误差方差上限的形式给出。
The motivation for this study is that in the area of state estimation, the Performance requirements are usually described in terms of the upper bounds on the error variance of state estimation.
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