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首页> 外文期刊>Microwave and optical technology letters >Split ring loaded broadband monopole with SAR reduction
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Split ring loaded broadband monopole with SAR reduction

机译：分离开环负载宽带单极子，SAR降低

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This article describes the design of a circular monopole antenna loaded with a partial split ring and a pair of symmetrical stubs. It operates for UMTS 2.1 GHz, ISM 2.45 GHz, and WiMAX 3.5 GHz applications covering a broad bandwidth of 2100 MHz (FBW= 71.18%). The stubs and the split ring, effectively perturbs the surface current path, which leads to bandwidth enhancement. The split ring not only accounts for a newer operating band, but also tend to reduce the specific absorption rate (SAR) by 12%. Analysis of the split ring is discussed, in brief, to understand SAR reduction. The antenna is compact with an overall dimension of 30 x 30 x 0.8 mm(3). The proposed prototype is fabricated and the results are measured. Simulated and measured results are found to be in good agreement with each other. Consistent radiation patterns are observed at all the operating frequencies and a peak gain of 4.2 dB is inferred at 3.5 GHz. (c) 2016 Wiley Periodicals, Inc. Microwave Opt Technol Lett 58:158-162, 2016
机译：本文介绍了圆形单极天线的设计，该天线装有部分开口环和一对对称短截线。它适用于UMTS 2.1 GHz，ISM 2.45 GHz和WiMAX 3.5 GHz应用，覆盖2100 MHz的宽带宽（FBW = 71.18％）。短截线和开口环有效地干扰了表面电流路径，从而导致带宽增强。开口环不仅占了更新的工作频带，而且还倾向于将比吸收率（SAR）降低12％。简要讨论了对开口环的分析，以了解SAR的降低。天线紧凑，外形尺寸为30 x 30 x 0.8 mm（3）。拟议的原型被制造出来并测量结果。发现模拟和测量的结果彼此吻合良好。在所有工作频率下均观察到一致的辐射图，在3.5 GHz处可推断出4.2 dB的峰值增益。 （c）2016 Wiley Periodicals，Inc.微波选择技术信函，2016年58：158-162

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