法兰反射面天线辐射方向图计算

2008 12th International Conference on Mathematical Methods in Electromagnetic Theory Pub Date : 2008-07-29 DOI:10.1109/MMET.2008.4580952

A. Zvyagintsev, A. Ivanov

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引用次数: 2

摘要

提出了一种计算曲线阻抗外凸缘反射面天线辐射方向图的方法。它是基于具有数值衍射系数的一致渐近理论和等效边缘电流方法。如果法兰的尺寸不超过几个波长，则使用数值衍射系数可以考虑入射场中的近场项和法兰上的非均匀阻抗分布。

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Radiation pattern calculation of flanged reflector antennas

A technique for calculating radiation patterns of reflector antennas with curvilinear impedance peripheral flanges is presented. It is based on the uniform asymptotic theory with numerical diffraction coefficients and on the equivalent edge currents method. The use of numerical diffraction coefficients allows to account near-field terms in the incident field and nonuniform impedance distributions on the flange, provided that dimensions of the flange do not exceed several wavelengths.

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2008 12th International Conference on Mathematical Methods in Electromagnetic Theory

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