Coupling Reduction Between Dipole Antenna Elements by Using a Planar Meta-Surface

被引：48

作者：

Saenz, Elena ^{[1
]}

Ederra, Inigo ^{[1
]}

Gonzalo, Ramon ^{[1
]}

Pivnenko, Sergey ^{[2
]}

Breinbjerg, Olav ^{[2
]}

de Maagt, Peter ^{[3
]}

机构：

[1] Univ Publ Navarra, Dept Elect & Elect Engn, E-31006 Pamplona, Spain

[2] Tech Univ Denmark, Dept Elect Engn, Electrosci Sect, DK-2800 Lyngby, Denmark

[3] European Space Agcy, Electromagnet & Space Environm Div, European Space Res & Technol Ctr, NL-2200 AG Noordwijk, Netherlands

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2009年 / 57卷 / 02期

关键词：

Dipole antenna array; meta-surface; mutual coupling; BANDGAP STRUCTURES; EBG STRUCTURES; DESIGN; WAVES; ARRAY;

D O I：

10.1109/TAP.2008.2011249

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：

The mutual coupling between dipole antenna array elements using a planar meta-surface as superstrate is experimentally investigated. The meta-surface is based on grids of short metal strips and continuous wires. A comparison between the mutual coupling when the dipoles are radiating in free space an in presence of the superstrate is presented. On average, between 3 to 14 dB reduction of the mutual coupling is achieved when the superstrate is used. The effect of the mutual coupling on the radiation performance of the array is studied by spherical near-field measurements of the radiation pattern when one driven dipole is e an the others are matched with 50 Omega loads. The back-projected field on the aperture and on the E-plane is shown.

引用

页码：383 / 394

页数：12

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