In this paper, the covariance matrix of random effect in linearmixed model is extended to positive matrix. We construct the estimation of variance components based on the idea of ANOVA estimation.
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。
2
A novel Direction Of Arrival (DOA) estimation method is proposed with Uniform Linear Array (ULA) when mixed sources are presented.