二维异形反射镜合成中的数值梯度积分方程技术

2006 International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2006-09-11 DOI:10.1109/MMET.2006.1689867

A.A. Nosich, T. Magath

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引用次数: 0

摘要

提出了一种e偏振波中二维异形反射镜的精确近场衍射合成方法。该方法基于奇异积分方程(SIE)，采用离散奇异点法(MDS)对奇异积分方程进行离散化。目标函数的梯度是借助于一定的SIE推导出来的，该SIE的右手部分是由表面电流的电场SIE计算出来的。这种半解析梯度法具有较好的节省时间和控制计算精度的优点

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Numerical Gradient Integral-Equation Technique in 2-D Shaped Reflector Synthesis

An accurate near-field diffraction synthesis method for 2-D shaped reflectors in the E-polarized wave is presented. The implemented method is based on a singular integral equation (SIE), which is descretized with the method of discrete singularities (MDS). The gradient of the objective function is derived with the aid of a certain SIE whose right-hand part is computed from the electric field SIE for the surface current. Such a semi-analytical gradient method is favorably timesaving and has controlled accuracy of computations

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2006 International Conference on Mathematical Methods in Electromagnetic Theory

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