Effective propagation properties of an enhanced hybrid EBG/ferrite ground plane

被引：11

作者：

Bell, Jodie M. ^{[1
]}

Iskander, Magdy F. ^{[1
]}

机构：

[1] Univ Hawaii Manoa, Hawaii Ctr Adv Commun, Honolulu, HI 96822 USA

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2008年 / 7卷

关键词：

artificial magnetic conductor (AMC); electromagnetic bandgap (EBG); ferrite; ground plane; hybrid EBG/ferrite; low-profile; phased-array antenna; ultrawideband; unidirectional radiation;

D O I：

10.1109/LAWP.2008.916682

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An enhanced ultrawideband and low-profile hybrid electromagnetic bandgap (EBG)/ferrite ground plane design is presented that offers an increased bandwidth and reduced profile compared to the previously presented hybrid EBG/ferrite ground plane design. Reflectivity and phase analyses of the new hybrid ground plane design indicate an instantaneous and continuous operational bandwidth exceeding 40:1 beginning at 120 MHz. The effective complex permittivity and permeability of the hybrid ground plane, which are important for feed design considerations of certain phased array antenna systems, are also presented. Additionally, return loss and directive gain analyses of Raytheon's long slot array antenna implemented with the hybrid ground plane further verify the ability of the ground plane to provide ultrawideband unidirectional radiation characteristics for ultrawideband bidirectional radiating antennas.

引用

页码：74 / 77

页数：4

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