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Switch beam dielectric resonator antenna array with four reconfigurable radiation patterns

机译:具有四个可重配置辐射方向图的开关波束电介质谐振器天线阵列

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摘要

A single feed, four element dielectric resonator antenna (DRA) array with beam switching capability is proposed. A wide impedance bandwidth of 700 MHz (1.6-2.3 GHz) is achieved. The proposed array is designed to operate in four modes, each mode having diverse radiation pattern. The beam is switched in azimuth (=45 degrees) at phi=0 degrees, 90 degrees, 180 degrees, and 270 degrees. The antenna gain is found to be more than 5 dB in most of the frequency band of interest. The reflection coefficient and radiation characteristics of proposed switched beam DRA array are investigated and validated by measurements. A good agreement between the measured and simulated results is observed. (c) 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:86-92, 2016
机译:提出了一种具有波束切换能力的单馈四元电介质谐振器天线(DRA)阵列。实现了700 MHz(1.6-2.3 GHz)的宽阻抗带宽。所提出的阵列被设计为以四种模式操作,每种模式具有不同的辐射方向图。光束以phi = 0度,90度,180度和270度的方位角(= 45度)切换。发现在大多数感兴趣的频带中,天线增益均大于5 dB。对所提出的开关光束DRA阵列的反射系数和辐射特性进行了研究,并通过测量进行了验证。观察到测量结果和模拟结果之间的良好一致性。 (c)2016年Wiley Periodicals,Inc.微波技术通讯Lett 58:86-92,2016

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