基于零阶谐振腔的超材料微型微带天线设计

A. Varshney, S. Biswas, P. S. Bera, Partha Pratim Sarkar
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引用次数: 1

摘要

利用全波电磁软件设计和优化了一种期望频率约为2.45GHz的超材料激发零阶谐振器(ZOR),用于需要零相移的高度紧凑天线。得到了基于改良复合左右传输线(MCRLHTL)的谐振器等效电路,并与在相对介电常数为4.4、厚度为1.6mm的FR4环氧基板上微带实现的结果进行了比较。阻抗与四分之一波变压器匹配时,天线呈现单极辐射方向图,谐振频率为2.49GHz;阻抗与单根调谐匹配时,天线呈现贴片辐射方向图,谐振频率为2.42GHz和2.51GHz。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design of Metamaterial Inspired Miniaturized Microstrip Antennas Based on Zero Order Resonators
Metamaterial inspired zero order resonator (ZOR) at a desired frequency of around 2.45GHz has been designed and optimized using full wave electromagnetic software for its use in a highly compact antenna that requires zero phase shift. Equivalent circuit of the resonator based on modified composite right left hand transmission line (MCRLHTL) has been obtained and results have been compared with microstrip realization on FR4 epoxy substrate with relative permittivity=4.4 and thickness=1.6mm. The ZOR that is impedance matched with quarter wave transformer depicts monopolar radiation pattern with resonant frequency of 2.49GHz whereas the antenna when impedance matched with single stub tuning depicts patch like radiation pattern with resonant frequencies of 2.42GHz and 2.51GHz.
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