FDTD Analysis of an Antenna Covered by a Dielectric Woodpile EBG Superstrate

被引：0

作者：

Lugo, Katherine ^{[1
]}

Gomez, Rodney A. ^{[1
]}

Lee, Yoonjae ^{[2
]}

Farahat, Nader ^{[1
]}

Mittra, Raj ^{[3
]}

Hao, Yang ^{[2
]}

机构：

[1] Polytechn Univ Puerto Rico, POB 192017, San Juan, PR 00919 USA

[2] Queen Mary Univ London, London E1 4NS, England

[3] Penn State Univ, University Pk, PA 16802 USA

来源：

2008 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM, VOLS 1-9 | 2008年

关键词：

D O I：

暂无

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：

In this paper we study the antenna/woodpile electronic bandgap (EBG) composite by using the Finite Difference Time Domain (FDTD) Method. The near-field as well as far-field performance are examined at different frequencies with a view to realizing enhanced directivity. In addition, the structure is modeled and simulated under plane wave illumination and the scattered fields are computed to gain an understanding of the mechanism of directivity enhancement. Furthermore, a periodic FDTD code is used to model a unit-cell of woodpile to show that the angular response has a sharp drop as we move away from the zenith, which is closely associated to the directivity enhancement at the resonant frequency.

引用

页码：1588 / +

页数：3

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