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A tri-band spoof surface plasmon polaritons based antenna for endfire radiation

机译:用于终止辐射的基于Triboof的天线的三频刺刀表面等离子体

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This article proposes a planar antenna, which exhibits endfire radiation patternsat three distinct frequency bands. The main radiator consists of a coplanarwaveguide fed comb-shaped spoof surface plasmon polaritons basedantenna placed on top of a microwave substrate. An L-shaped stub like structureis added to the bottom of the substrate and is coupled electromagneticallyto the main radiator. The resulting antenna operates in three frequency bands.It achieves endfire radiation between 7.6 and 7.75 GHz (first band), 8.4 to8.68 GHz (second band) and 12.4 to 13 GHz (third band) with maximum measuredgains of 7, 7.5, and 7.7 dBi respectively. The antenna has a maximumsimulated efficiency of 86% at 7.7 GHz, 96% at 8.5 GHz, and 92% at 12.6 GHz.The structure also exhibits frequency dependent endfire beam scanning withinthe 12.4 to 13 GHz band in the xy plane (plane of the antenna), achieving atotal scan range of 21~0 from phi = −19~0 to phi = 2~0.
机译:本文提出了一个平面天线,其展示了终止辐射图案 在三个不同的频段。 主散热器由共面包组成 波导喂养梳形欺骗表面等离子体散差基于 天线放置在微波底物的顶部。 L形残留像结构 被添加到基板的底部并耦合电磁解 到主散热器。 由此产生的天线在三个频带中操作。 它达到7.6和7.75 GHz(第一频段),8.4至 8.68 GHz(第二频段)和12.4至13 GHz(第三杆),最大测量 分别为7,7.5和7.7 dBi。 天线最大 模拟效率为86%,7.7 GHz,96%,8.5 GHz,92%,为12.6 GHz。 该结构还表现出频率依赖的终止梁扫描 在XY平面(天线的平面)中的12.4至13 GHz带,实现A. PHI = -19〜0的总扫描范围为21〜0到phi = 2〜0 。

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