A novel compact spiral electromagnetic band-gap (EBG) structure

被引：60
|
作者：
Zheng, Qiu-Rong [1 ]
Fu, Yun-Qi [1 ]
Yuan, Nai-Chang [2 ]
机构：
[1] Natl Univ Def Technol, Coll Elect Sci & Engn, Changsha 410073, Hunan, Peoples R China
[2] Natl Univ Def Technol, Dept Elect Sci & Technol, Changsha 410073, Hunan, Peoples R China
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2008年 / 56卷 / 06期
基金：
中国国家自然科学基金;
关键词：
cross-polarization; electromagnetic band-gap (EBG); patch antenna; radiation pattern; surface wave;
D O I：
10.1109/TAP.2008.923305
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：
A novel compact electromagnetic band-gap (EBG) structure in a spiral shape is presented and investigated. This structure significantly enlarges the capacitance between neighboring elements. The simulations and experimental results have proved that the size of the spiral structure is only 30.9% of the conventional EBG structure. Two applications have been shown, including patch antenna with the spiral EBG structure and a double-element microstrip antenna array with low mutual coupling. The measured results show that a gain improvement over 3 dB and a significant reduction of cross polarization in H-plane are obtained. A 6 dB reduction of mutual coupling is achieved in a double-element EBG microstrip antenna array.
引用
收藏
页码：1656 / 1660
页数：5
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