Reduced-size slot antennas with low cross polarization

Ching-Lieh Li, I-Chang Chuang, Ching-Ping Sze
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Abstract

In this paper, small slot antennas with low cross polarization are investigated. We employ a symmetrical meander slot structure to design a reduced size slot antenna fed by a microstrip line. It acts as a multiple-folded slot loop antenna with an area reduction up to 50%, while the cross-polarization less than -30 dB can be achieved. The analysis and design of the antennas are accomplished using a commercial full wave simulation software The results compare quite well with the experiments.
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具有低交叉极化的减小尺寸的缝隙天线
本文对低交叉极化小缝隙天线进行了研究。我们采用对称弯曲槽结构设计微带线馈电的小尺寸槽天线。它作为一个多折叠槽环路天线,面积减少高达50%,同时可以实现小于-30 dB的交叉极化。利用商用全波仿真软件对天线进行了分析和设计,结果与实验结果吻合较好。
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