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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Design of a Printed Metamaterial-Inspired Electrically Small Huygens Source Antenna for Cognitive Radio Applications
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Design of a Printed Metamaterial-Inspired Electrically Small Huygens Source Antenna for Cognitive Radio Applications

机译：用于认知无线电应用的印刷超材料启发电小虎眼源天线的设计

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摘要

Metamaterial-inspired electric-and magnetic-based near-field resonant parasitic (NFRP) elements are electrically coupled to a coaxial-fed printed monopole to realize an electrically small, ka = 0.49 (lambda(0)/9.41 x lambda(0)/14.11 x lambda(0)/104.18) Huygens source antenna that operates at the GSM1800 frequency. The electric NFRP element is a meander patch; the magnetic element is a Capacitively Loaded Loop (CLL). The individual electric-and magnetic-based antennas were studied numerically to ensure they had overlapping frequency behavior near the GSM frequency 1.8 GHz; high radiation efficiency; and very good matching to their 50 Omega sources. They were combined together and retuned to create a three metal - two dielectric layer Huygens source antenna. A 20 nH inductor was inserted between the driven monopole and the SMA connector in order to enhance the input impedance matching. A prototype of this antenna was fabricated and experimentally characterized. The measurements confirmed the Huygens source nature of the prototype antenna.
机译：超材料启发的电动基近场共振寄生（NFRP）元件电耦合到同轴的印刷单极，以实现电小，Ka = 0.49（Lambda（0）/9.41×Lambda（0）/ 14.11 X Lambda（0）/104.18）Huygens源天线以GSM1800频率运行。电气NFRP元素是曲折贴片;磁性元件是电容加载的环（CLL）。数值研究各个电动和磁性的天线，以确保它们在GSM频率1.8 GHz附近的频率行为重叠;高辐射效率;与他们的50个omega来源非常好。它们组合在一起并重新调整以创建三种金属 - 两个介电层Huygens源天线。在驱动的单极和SMA连接器之间插入20nh电感器，以增强输入阻抗匹配。这种天线的原型是制造和实验表征的。测量确认了原型天线的惠格斯源性。

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