Diffraction at Rounded Wedges: MoM Modeling of PTD Fringe Waves

Apaydin Gokhan; Sevgi Levent; Ufimtsev Pyotr Ya

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Diffraction at Rounded Wedges: MoM Modeling of PTD Fringe Waves

机译：圆角处的衍射：PTD边缘波的MoM建模

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The paper examines diffraction at rounded wedges with perfectly conducting faces. This topic was a subject of many publications which investigated mainly the total diffracted waves. In the present paper, we calculate specifically their fringe components to illustrate their sensitivity to the edge curvature. Such fringe waves provide substantial contributions to the scattered field in certain directions and represent a key element in extension of the physical theory of diffraction (PTD) for objects with rounded edges.

机译：本文研究了具有理想导电面的圆形楔形物的衍射。该主题是许多出版物的主题，这些出版物主要研究了总衍射波。在本文中，我们专门计算了它们的边缘分量，以说明它们对边缘曲率的敏感性。这样的条纹波在某些方向上对散射场提供了实质性的贡献，并且是扩展具有圆形边缘的对象的衍射物理理论（PTD）的关键要素。

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来源
《Applied Computational Electromagnetics Society journal》 |2017年第7期|600-607|共8页
作者
Apaydin Gokhan; Sevgi Levent; Ufimtsev Pyotr Ya;
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作者单位

Electromagnet Consulting, Istanbul, Turkey;

Okan Univ, Dept Elect Elect Engn, TR-34759 Istanbul, Turkey;

EM Consulting, Los Angeles, CA 90025 USA;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Fringe wave; hard boundary condition; method of moments; non-uniform currents; physical optics; physical theory of diffraction; rounded wedge; soft boundary condition; uniform currents;

机译：边缘波;硬边界条件;矩量法;非均匀电流;物理光学;衍射的物理理论;圆形楔形;软边界条件;均匀电流;

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专利

1. Wedge Diffracted Waves Excited by a Line Source: Method of Moments (MoM) Modeling of Fringe Waves [J] . Apaydin G., Hacivelioglu F., Sevgi L., Antennas and Propagation, IEEE Transactions on . 2014,第8期

机译：线源激发的楔形衍射波：边缘波的矩量法（MoM）建模
2. Wedge Diffracted Waves Excited by a Line Source: Exact and Asymptotic Forms of Fringe Waves [J] . Hacivelioglu, F., Sevgi, IEEE Transactions on Antennas and Propagation . 2013,第9期

机译：线源激发的楔形衍射波：边缘波的精确形式和渐近形式
3. Fringe waves in wedge diffraction [J] . Umul Y.Z. Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 2012,第3期

机译：楔形衍射中的边缘波
4. Comparative study of lossy dielectric wedge diffraction for radio wave propagation modeling using UTD and FDTD [C] . Wang, Y., Safavi-Naeini, . 1999

机译：使用UTD和FDTD进行电波传播建模的有损介质楔形衍射的比较研究
5. MUTUAL COUPLING IN A THREE-ELEMENT, PARALLEL-PLATE WAVEGUIDE ARRAY BY WEDGE DIFFRACTION AND SURFACE INTEGRATION TECHNIQUES. [D] . MIKUTEIT, SIEGFRIED. 1967

机译：楔形衍射和表面积分技术在三元素平行板阵列中进行相互耦合。
6. Making waves round a structured cloak: lattices negative refraction and fringes [O] . D. J. Colquitt, I. S. Jones, N. V. Movchan, -1

机译：使波浪围绕结构化的斗篷：晶格负折射和条纹
7. A comparison of exact TM plane wave diffraction by coated wedges and impedance wedges [O] . Andersen Lars S., Breinbjerg Olav, Moore John T. 1996

机译：涂层楔与阻抗楔的精确Tm平面波衍射比较
8. DIFFRACTION OF A PLANE WAVE. BY A RIGHT ANGLED WEDGE WHICH SUSTAINS SURFACE WAVES ON ONE FACE [R] . Frank C. Karal, Samuel N. Karp 1959

机译：平面波的衍射。通过一个可以在一个面上悬浮表面波的右角楔

Diffraction at Rounded Wedges: MoM Modeling of PTD Fringe Waves

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