Compact Broadband Antennas with Series and Parallel Resonances

K. Noguchi, Fumiya Osaki, Taichi Hamabe
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引用次数: 1

Abstract

Multi-mode excitation with complementary resonance for radiation resonance is useful for broadbanding of electrically small antennas. Bandwidth of a small antenna with series resonance such as short dipole, small helical and meander line antennas can be expanded by using no-radiation parallel resonance. Another antenna type with parallel resonance like a microstrip antenna (MSA) is also able to get wideband characteristics using series resonance. We have studied compact broadband small antennas with multi-mode excitation and evaluated them in the view point of practical use. In the paper, we will show evaluation results of a miniaturizing factor, product of bandwidth and radiation efficiency ( Bη product), for practical inverted-L antenna (ILA) and MSA.
具有串联和并联谐振的紧凑型宽带天线
多模激励与互补共振的辐射共振对电小天线的宽带化是有用的。采用无辐射并联谐振可以扩大短偶极子天线、小螺旋天线和曲线天线等小型串联谐振天线的带宽。另一种具有并联谐振的天线类型,如微带天线(MSA),也能够通过串联谐振获得宽带特性。对多模激励的小型宽带天线进行了研究,并从实际应用的角度对其进行了评价。在本文中,我们将展示一个小型化因子,带宽和辐射效率的乘积(Bη乘积)的评估结果,用于实际的倒l天线(ILA)和MSA。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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