A. Al-Azza, Nuhad A. Malalla, M. Morsy, F. Harackiewicz
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引用次数: 0
摘要
本文介绍了一种由轴对称同轴单极子激励的新型宽带紧凑型三段复合介质环谐振器（DRR）天线。为了增强阻抗带宽，对所提出的天线进行了数值和实验研究。在最低工作频率下，该天线的占地面积仅为 0.16 x 0.16。根据测量结果，该天线的分数阻抗带宽等于 15%，峰值增益为 8dBi。该天线在整个阻抗带宽内提供对称、稳定的单极辐射模式。有了这样的性能，所建议的天线可用于不同的宽带应用，如电磁干扰（EMI）和国防应用。
Three-Stacked Dielectric Ring Resonator Loaded Hybrid Monopole Antenna for Improved Ultrawide Bandwidth
In this paper, a new wide-band and compact three-segment composite dielectric ring resonator (DRR) antenna excited by an axi-symmetric coaxial monopole has been introduced. The proposed antenna has been investigated numerically and experimentally for enhanced impedance bandwidth. At the lowest operating frequency, the presented antenna has a footprint area of just 0.16 x 0.16 . According to the measurement results, the antenna offers a fractional impedance bandwidth equal to 15 % with 8dBi peak gain. The antenna provides symmetrical and stable monopole like radiation pattern over the entire impedance bandwidth. With such performance, the suggested antenna can be usefully employed in different wide-band applications such as electromagnetic interference (EMI) and defense applications.
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