非参数ACD模型不依赖条件均值的函数形式和误差项的分布形式，更具有一般意义。

Because the nonparametric ACD model does not rely on the functional form of (conditional) mean value and the error distribution form, it has more typical implication.

youdao

本文基于标量衍射理论，建立了简明的对准误差与二元光学器件衍射效率的分析模型，得到了适用于一般位相分布器件的衍射效率的简便实用的计算公式。

Based on the theory of scalar diffraction, an error model is established to investigate the effect of alignment error on the efficiency of binary optics elements.

youdao