超宽带系统全向介质谐振器天线的实验研究

I. Messaoudene, T. Denidni, A. Benghalia
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引用次数: 2

摘要

本文提出并研究了一种用于超宽带(UWB)的新型介质谐振器天线(DRA)。超宽带天线呈u形,由微针馈入单极子激励。利用两个电磁模拟器对天线进行了仿真和设计。为了验证我们的设计,制作了一个原型天线并进行了测量。从测量结果来看,u型DRA具有117.6%的阻抗带宽(2.94 GHz至11.34 GHz,回波损耗低于-10 dB,主要覆盖UWB频段)。此外,所提出的天线提供了一个全方位的辐射方向图。该天线具有以上特点,可用于超宽带无线系统。
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Experimental investigations of an omni-directional dielectric resonator antenna for UWB systems
In this paper, a new dielectric resonator antenna (DRA) is presented and investigated for ultra wideband (UWB) applications. The UWB antenna has a U-shape and excited by a microstip fed monopole. The proposed antenna was simulated and designed using two electromagnetic simulators. To validate our design, a prototype antenna was fabricated and measured. From the measurements, the U-shaped DRA has a 117.6% impedance bandwidth (from 2.94 GHz to 11.34 GHz, for return loss below -10 dB, largely covering the UWB spectrum band). Moreover, the proposed antenna provides an omni-directional radiation pattern. With these features, the present antenna can be used in ultra-wideband wireless systems.
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