The effect of parametric direction on scattering from wire loops.

机译：参数方向对线环散射的影响。

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This work examines the computed polarized scattering of electromagnetic waves from a group of closed wire loops. These structures were originally chosen to be simple instantiations of topology and changes of topology; we then included examples of symmetry, and finally structures that illustrate change in the sense of parametric direction. We correlate general features of the backscattering into specified categories of geometry and connectedness. In this way, we begin to map out regions where particular features contribute to the nature of the scattered waves. This builds on the traditional use of canonical structures for understanding electromagnetic wave scattering. We find regions where structural characteristics such as rotational symmetry, plane mirror symmetry, and planarity play dominant roles. Using this knowledge, we identify regions where topology or connectedness appears to play a role in determining the features of scattering.; We find that the largest factor in scattering from these loops is the geometry of the scatterer (e.g., symmetry). We are able to identify conditions under which factors connected to topology or connectedness have an effect in backscattering.

机译：这项工作检查了来自一组闭合线环的电磁波的计算极化散射。最初选择这些结构是拓扑的简单实例化和拓扑的更改。然后，我们提供了对称性的示例，最后包括了说明参数方向意义上的变化的结构。我们将反向散射的一般特征与指定的几何形状和连通性类别相关联。通过这种方式，我们开始绘制出一些区域，在这些区域中，特定特征有助于散射波的性质。这建立在规范结构用于理解电磁波散射的传统用法的基础上。我们发现一些区域，其中结构特征（例如旋转对称性，平面镜对称性和平面性）起主要作用。利用这些知识，我们确定拓扑或连通性似乎在确定散射特征中起作用的区域。我们发现，从这些回路散射的最大因素是散射体的几何形状（例如，对称性）。我们能够确定条件，在这些条件下，与拓扑或连通性相关的因素会对反向散射产生影响。

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作者
Manuar, Omar Arif.;
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作者单位

University of Pennsylvania.;

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授予单位 University of Pennsylvania.;
学科 Biophysics General.; Engineering Electronics and Electrical.
学位 Ph.D.
年度 2002
页码 179 p.
总页数 179
原文格式 PDF
正文语种 eng
中图分类生物物理学;无线电电子学、电信技术;
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1. Discussion on ????????Direction-finding site errors at very high frequencies???????? and ????????Scattering of radio waves by metal wires and sheets???????? before the Radio Section, 2nd February, 1949 [J] . Proceedings of the IEE - Part III: Radio and Communication Engineering . 1949,第42期

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The effect of parametric direction on scattering from wire loops.

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