COPLANAR FEEDING SOLUTION FOR SPIRAL ANTENNA

被引：0
|
作者：
Louertani, Karim [1 ]
Ribiere-Tharaud, Nicolas [2 ]
Guinvarc'h, Regis [1 ]
Helier, Marc [3 ]
机构：
[1] Sondra, 3 Rue Joliot Curie, F-91190 Gif Sur Yvette, France
[2] L2S Supelec, DRE, F-91190 Gif Sur Yvette, France
[3] Univ Paris, UPMC, F-94200 Ivry, France
来源：
2009 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM AND USNC/URSI NATIONAL RADIO SCIENCE MEETING, VOLS 1-6 | 2009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：
A new externally-fed spiral antenna is presented in this paper. This antenna consists of two double arms and two sources in phase opposition are used to feed the device. This new design exhibits characteristics similar to that of the classical two arms center-fed spiral antenna. This is useful to conform the antenna on various platforms that do not allow access to the center of the spiral. The far field pattern is constant and symmetric about the antenna plane over the frequency range. Moreover, when use in an array, the bandwidth of the 2x2 arms spiral antenna is 37.5% larger than to that of the center-fed antenna.
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页码：3371 / +
页数：2
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