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2020-07-09
Investigation of New Sectored Hemispherical Dielectric Resonator Antennas Operating at TM101 and TE111 Mode for Circular Polarization
By
Progress In Electromagnetics Research, Vol. 167, 95-109, 2020
Abstract
This article discusses the effect of sectorization technique in hemispherical dielectric resonator antennas (HDRA) for the first time with its significant effects on electromagnetic modes and various antenna parameters. The sector angle (β) forms an additional framework for better optimization of HDRA. The resonance frequency, impedance bandwidth, co-cross polarization characteristics have been investigated in new sectored HDRA geometries excited at their TE111 and TM101 modes. Further, examination of circular polarization (CP) is carried out by detuning of degenerate orthogonal modes in HDRAs, and β = 180° has been particularly examined in details for CP. Based on the results, appropriate values of `β' and probe position (Pr) are chosen followed by modelling a prototype and experimental.
Citation
Rakesh Chowdhury Raghvendra Kumar Chaudhary , "Investigation of New Sectored Hemispherical Dielectric Resonator Antennas Operating at TM101 and TE111 Mode for Circular Polarization," Progress In Electromagnetics Research, Vol. 167, 95-109, 2020.
doi:10.2528/PIER20041601
http://www.jpier.org/PIER/pier.php?paper=20041601
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