An improved scattering analysis of arbitrary shaped cylinders in a focused beam system using Gabor representation

R. Shavit
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引用次数: 1

Abstract

An improved numerical procedure based on the Gabor series representation of the scattered field in front of a cylinder positioned in a focused beam system was used to reconstruct the scattering radiation pattern for plane wave illumination. The analysis was based on the assumption that the electric fields between the lenses can be described by fundamental Gaussian beams. The algorithm reduces significantly the required angular data measurements to reconstruct the scattering radiation pattern in comparison to a previous procedure based on an FFT algorithm. The information obtained on the scattering pattern helps to refine the calculations of the scattering analysis for large space frame radomes.
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用Gabor表示改进的聚焦光束系统中任意形状圆柱体的散射分析
采用改进的基于Gabor级数表示的聚焦光束系统柱体前散射场的数值计算方法,重建了平面波照明散射辐射图。该分析是基于透镜之间的电场可以用基本高斯光束描述的假设。与先前基于FFT算法的方法相比,该算法显著减少了重建散射辐射图所需的角度数据测量。得到的散射方向图信息有助于改进大空间框架天线罩散射分析的计算。
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