几种具有水平平面准各向同性辐射方向图的新型线天线设计

O. Yurtsev, Y. Bobkov, S. Baty
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引用次数: 3

摘要

本文研究了在一个主平面上具有准各向同性辐射方向图的两个线天线的数值模拟结果。第一个天线是改进的富兰克林天线,根据馈电匹配标准提供更宽的频率带宽。该天线在h平面上具有各向同性辐射方向图。它是串联馈电天线阵列。第二天线是环形天线的改进,其环形周长等于一个和两个波长。这个天线的线圈呈一定角度弯曲。在弯曲平面上形成准各向同性辐射图。在h平面上,天线是线性串联馈电天线阵列。采用矩量法对天线进行建模。采用水平面全向辐射方向图匹配及到达准则对天线尺寸进行优化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Several novel wire antenna designs with the quasi-isotropic radiation patterns in horizontal plane
The work deals with numerical modeling results of two wire antennas that have quasi-isotropic radiation patterns in one of the main planes. First antenna is a modified Franklin antenna, which provides wider frequency bandwidth according to feed matching criteria. This antenna have isotropic radiation pattern in H-plane. It is series-fed antenna array. Second antenna is a modification of loop antennas with loops perimeter equal to one and two wavelengths. The loops in this antenna are bowed on some angle. It forms quasi-isotropic radiation pattern in bowed plane. In H-plane the antenna is a linear series-fed antenna array. The antennas were modeled using method of moment. The dimensions of antennas were optimized using crite-rias of matching and reaching of omnidirectional radiation pattern in horizontal plane.
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