结果双变量多水平模型可以估计各水平两个变量的方差协方差阵，据此可以计算出相关系数随协变量变化的函数式。

Results Multilevel models can present the variance covariance metrics of two dependent variables in every levels, and make out the functional expresses of correlation coefficient with covariates.

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工作中的水听器基阵所处的姿态不总是唯一的，为了计算水听器基阵的信噪比增益，我们必须知道噪声场空间任意方向上的相关系数。

For the calculation of signal-to-noise gain of a hydrophone array, spatial-correlation in arbitrary direction is more needed because of the variant pose of the array in the real.

youdao

工作中的水听器基阵所处的姿态不总是唯一的，为了计算水听器基阵的信噪比增益，我们必须知道噪声场空间任意方向上的相关系数。

For the calculation of signal-to-noise gain of a hydrophone array, spatial-correlation in arbitrary direction is more needed because of the variant pose of the array in the real.

youdao