Epsilon-Zero Resonance Antennas with Modified Unit Cells
محل انتشار: مجله سیستم های برق و سیگنال، دوره: 1، شماره: 2
سال انتشار: 1392
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 439
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شناسه ملی سند علمی:
JR_JESS-1-2_006
تاریخ نمایه سازی: 19 شهریور 1396
چکیده مقاله:
In this paper new epsilon-zero resonance (EZR) antennas using epsilon negative (ENG) transmission line (TL) are presented. In the proposed antennas, the unit cell of the ENG TL is implemented using a modified mushroom-like structure in which the via hole is placed at the patch edge. This configuration leads to a broadside radiation pattern and also results in the unit cell size reduction. These antennas are analyzed using transmission line based metamaterials and zeroth order resonators (ZORs) theories. A one unit cell compact size antenna and a nine unit cell high gain antenna using this new configuration are designed and fabricated. The measurement results including radiation pattern, maximum gain and return loss show good agreement with simulation results.
کلیدواژه ها:
Antenna ، epsilon negative (ENG) ، epsilon zero resonance (EZR) ، metamaterials ، zeroth order resonator (ZOR)
نویسندگان
Mohammad Saeed Majedi
The authors are with the Department of Electrical Engineering, Ferdowsi University of Mashhad, Iran.
Amir Reza Attari
The authors are with the Department of Electrical Engineering, Ferdowsi University of Mashhad, Iran.