far-field approximation

基本解释

A backscatter model was developed for measuring wind field with far-field approximation method.
提出了一种基于远场近似法建立的大气风场测量散射模型。
The fast far field approximation (FAFFA) technique is employed in the hybrid physical optics-moment method (PO-MM) to speed up the matrix- vector product in the solution of matrix equation.
本文提出了一种快速远场近似（FAFFA）加速的混合物理光学矩量法（PO MM），利用FAFFA加速计算矩阵方程中的矩阵矢量积，明显提高了计算效率。
By using the reconstructed far-field approximation space covariance matrix at the same bearings from the revised near-field space covariance matrix, the bearings of multiple sources can be obtained.
通过对近场空间协方差矩阵进行修正，用重构在相同方位上的远场近似空间协方差矩阵确定声源方位角。