A Dual-Polarized Wideband Planar Phased Array With Spiral Antennas

被引：21
|
作者：
Saenz, Israel D. Hinostroza [1 ]
Guinvarc'h, Regis [1 ]
Haupt, Randy L. [2 ]
Louertani, Karim [3 ]
机构：
[1] SUPELEC, SONDRA Lab, F-91192 Gif Sur Yvette, France
[2] Colorado Sch Mines, Golden, CO 80401 USA
[3] Natl Univ Singapore, Temasek Lab, Singapore 117411, Singapore
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 09期
关键词：
Bandwidth; cavity; circular arrays; phased array; sequential rotation; spiral antenna;
D O I：
10.1109/TAP.2014.2331988
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 design of a wide bandwidth dual-polarized phased array of Archimedean spiral antennas with cavity is presented. The reflection coefficient, circular polarization and grating lobes are addressed independently in the design process. Uniform concentric rings array is used to control the grating lobes, thanks to its non uniform spatial distribution, and obtain a good circular polarization, thanks to its rotational symmetry. Simulations of one-ring array agree with the measurements. Adding more rings keeps the side lobes level to less than -10 dB, relative to the main lobe. The dual-polarized array can scan up to theta = 30 degrees keeping a low reflection coefficient and low side lobe levels.
引用
收藏
页码：4547 / 4553
页数：7
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