一种加载超材料的圆极化贴片天线

2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) Pub Date : 2015-12-03 DOI:10.1109/METAMATERIALS.2015.7342489

S. Ta, I. Park

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引用次数: 1

摘要

提出了一种加载超材料的宽带单馈圆极化贴片天线。该天线被设计为在4 × 4周期金属板的晶格和地平面之间放置一个截断的角方形贴片。整体尺寸为32mm × 32mm × 3mm的天线，|S11| <;- 10db带宽为4.70-7.48 GHz (44%)， 3db AR带宽为4.9-6.2 GHz(22%)。此外，天线的辐射特性显示出良好的宽侧左CP辐射，在AR带宽内增益变化较小(7.2-7.7 dBic)。

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A circularly polarized patch antenna loaded with metamaterial

A single-feed circularly polarized (CP) patch antenna loaded with metamaterial (MTM) for broadband operation is presented. The antenna is designed with a truncated corner square patch placed between a lattice of 4 × 4 periodic metal plates and the ground plane. The antenna with an overall size of 32 mm × 32 mm × 3 mm resulted in a |S11| <;-10 dB bandwidth of 4.70-7.48 GHz (44%), and a 3-dB AR bandwidth of 4.9-6.2 GHz (22%). In addition, the radiation characteristics of an antenna showed a good broadside left-hand CP radiation with a small gain variation (7.2-7.7 dBic) within the AR bandwidth.

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2015 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)

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