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A Split-Step Pade Solution of 3D-PE Method for EM Scattering from PEC Targets

机译:从PEC目标进行EM散射的3D-PE方法分步Pade解决方案

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摘要

In this paper, the split-step Pade scheme is introduced to solve the three dimensional parabolic equation for EM scattering problems. By implementing the finite differential method, the calculation can be taken from plane to plane along the paraxial direction and a sparse-matrix equation needs to be solved in each transverse plane. In this way, the computational resources can be saved significantly when compared with the rigorous numerical methods. Numerical results demonstrate that the proposed method can obtain accurate results at wider angles up to 45 degrees.
机译:本文介绍了分步式Pade格式来求解EM散射问题的三维抛物线方程。通过实施有限差分法,可以沿近轴方向在平面之间进行计算,并且需要在每个横向平面中求解一个稀疏矩阵方程。这样,与严格的数值方法相比,可以显着节省计算资源。数值结果表明,所提出的方法可以在高达45度的较宽角度获得准确的结果。

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