单馈圆极化边缘截断椭圆微带天线

2009 International Conference on Emerging Trends in Electronic and Photonic Devices & Systems Pub Date : 2009-12-01 DOI:10.1109/ELECTRO.2009.5441097

Pratibha Sekra, D. Bhatnagar, V. K. Saxena, J. S. Saini

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引用次数: 13

摘要

利用IE3D仿真软件在环氧玻璃FR-4基板上对改进的单馈圆极化椭圆贴片微带天线的辐射性能进行了仿真，并与传统椭圆贴片天线进行了比较。平行于其长轴的两个几何边缘被截断，天线在与短轴成45°角的直线上的一个点馈电。通过优化进给点在这条线上的位置和截短零件的宽度，提高了该结构的圆极化性能。本文报道了该天线的模拟回波损耗、输入阻抗、轴比随频率的变化。给出了E面和H面LHCP和RHCP的辐射谱图。改进后天线的阻抗带宽和轴比带宽在边缘截断后得到了提高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Single feed circularly polarized edge truncated elliptical microstrip antenna

The radiation performance of a modified single feed circularly polarized elliptical patch microstrip antenna is simulated on glass epoxy FR-4 substrate by applying IE3D simulation software and its performance is compared with that of a conventional elliptical patch antenna. Both edges of geometry parallel to its major axis are truncated and antenna is fed at a point lying on the line making an angle of 45° from the minor axis. The location of feed point on this line and width of truncated parts are optimized to obtain improved circular polarization performance with this structure. The simulated return loss, input impedance, axial ratio variations with frequency for the proposed antenna are reported in this communication. The E and H plane LHCP and RHCP radiation patterns are also presented. It is realized that the impedance bandwidth and axial ratio bandwidth of modified antenna are improved on proposed truncations in the edge.

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来源期刊

2009 International Conference on Emerging Trends in Electronic and Photonic Devices & Systems

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