用于超宽带应用的低轮廓印刷天线

2016 International Conference on Electromagnetics in Advanced Applications (ICEAA) Pub Date : 2016-09-01 DOI:10.1109/ICEAA.2016.7731549

R. A. Santos, A. C. Sodré, S. Barbin

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引用次数: 1

摘要

这项工作报告了一种简单，低轮廓和超宽带印刷天线的发展。所提出的天线基于截断地平面和由圆结和两个倒角形成的阻抗匹配结构。与传统的微带天线和宽带印刷单极天线相比，这些改进显著增加了天线的频率带宽。采用Arlon DiClad 880基板制作了天线样机，测量了其反射系数，并与HFSS数值模拟结果进行了比较。即使在更高的频率下，模拟结果与实验结果吻合良好。该天线使用了K型连接器，工作频率高达40 GHz。实验结果表明，带宽范围为1.79 GHz至28.02 GHz，占中心频率(即14.9 GHz)带宽的176%。

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A low-profile printed antenna for UWB applications

This work reports the development of a simple, low-profile and ultra-wideband printed antenna. The proposed antenna is based on a truncated ground plane and an impedance matching structure formed by a round junction and two chamfers. These modifications significantly increase the antenna frequency bandwidth compared to conventional microstrip antennas and broadband printed monopole antennas. An antenna prototype was built using a substrate of Arlon DiClad 880 and its reflection coefficient was measured and compared to HFSS numerical simulations. Good agreement between simulations and experimental results was obtained, even for higher frequencies. A K connector, which operates up to 40 GHz, was used in the antenna. The experimental results indicate a bandwidth spanning from 1.79 GHz to 28.02 GHz, representing a fractional bandwidth of 176% referred to the central frequency (i.e., 14.9 GHz).

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2016 International Conference on Electromagnetics in Advanced Applications (ICEAA)

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