COMPACT DIELECTRIC RESONATOR ANTENNA WITH BAND-NOTCHED CHARACTERISTICS FOR ULTRA-WIDEBAND APPLICATIONS
作者： Asmaa H Majeed , Abdulkareem S Abdullah , Khalil H Sayidmarie , Raed Abd-Alhameed , Fauzi Elmegri
关键词: Antenna factor 、 Antenna (radio) 、 Reflection coefficient 、 Optoelectronics 、 Electronic engineering 、 Antenna measurement 、 Dielectric resonator antenna 、 Parametric statistics 、 Coupling 、 Engineering 、 Ultra-wideband
摘要: In this paper, a compact dielectric resonator antenna (DRA) with band-notched characteristics for ultra-wideband applications is presented. A comprehensive parametric study was carried out using CST Microwave Studio Suite TM 2011 to analyze and optimize the of proposed antenna. Three shapes coupling slot were investigated. Simulation results show that DRA had −10 dB impedance bandwidth 23% from 9.97 GHz 12.558 GHz, maximum gain 7.23 dBi. The notched band centered at 10.57 which increased reflection coefficient by 23.5 dB, reduced 6.12 dB. optimized designs verified experimental tests on fabricated samples.
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