Experimental demonstration of metamaterials application for mitigating scan blindness in phased array antennas

被引：9

作者：

Rodriguez-Ulibarri, Pablo ^{[1
]}

Crepin, Thomas ^{[2
]}

Martel, Cedric ^{[2
]}

Boust, Fabrice ^{[2
]}

Falcone, Francisco ^{[1
,3
]}

Loecker, Claudius ^{[4
]}

Herbertz, Kai ^{[4
]}

Bertuch, Thomas ^{[4
]}

Dousset, Thierry ^{[5
]}

Martinaud, Jean-Paul ^{[5
]}

Maci, Stefano ^{[6
]}

Antonio Marcotegui, Jose ^{[7
]}

Beruete, Miguel ^{[1
,3
]}

机构：

[1] Univ Publ Navarra, Dept Elect & Elect Engn, Campus Arrosadia, Pamplona 31006, Spain

[2] Off Natl Etud & Rech Aerosp, French Aerosp Lab, Toulouse, France

[3] Univ Publ Navarra, Inst Smart Cities, Campus Arrosadia, Pamplona 31006, Spain

[4] Fraunhofer Inst High Frequency Phys & Radar Tech, Wachtberg, Germany

[5] TSA, Elancourt, France

[6] Univ Siena, Dept Informat Engn & Math, I-53100 Siena, Italy

[7] TAFCO Metawireless SL, Aizoain, Spain

来源：

EPJ APPLIED METAMATERIALS | 2016年 / 3卷

关键词：

Phased array; Scan blindness; Metasurface; Metamaterial; Wire medium;

D O I：

10.1051/epjam/2016010

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents two metamaterial-inspired solutions to mitigate the scan blindness effects in a phased array antenna. In the first solution, portions of a bed of nails are introduced in the radome to prevent the excitation of surface waves. In the second solution, a superstrate metasurface is designed to synthesize a permittivity tensor optimized to achieve a wide angle impedance matching. In both approaches, the numerical simulations are successfully compared with measurements of a phased array antenna prototype with 100 elements. The wire medium-based solution reveals an effective way for reducing the blind-spot in a wide bandwidth, while the metaradome has been found less suitable for the same purpose.

引用

页数：9

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