Side-Lobe Reduced, Circularly Polarized Patch Array Antenna for Synthetic Aperture Radar Imaging

被引：8

作者：

Baharuddin, Mohd Zafri ^{[1
]}

Izumi, Yuta ^{[1
]}

Sumantyo, Josaphat Tetuko Sri ^{[1
]}

Yohandri ^{[2
]}

机构：

[1] Chiba Univ, Ctr Environm Remote Sensing CEReS, Chiba 2638522, Japan

[2] Univ Negeri Padang, West Sumatera 25131, Indonesia

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2016年 / E99C卷 / 10期

关键词：

synthetic aperture radar; circular polarization; side-lobe reduction; Dolph-Chebyshev synthesis; anechoic chamber; SYSTEM;

D O I：

10.1587/transele.E99.C.1174

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：

Antenna radiation patterns have side-lobes that add to ambiguity in the form of ghosting and object repetition in SAR images. An L-band 1.27 GHz, 2 x 5 element proximity-coupled corner-truncated patch array antenna synthesized using the Dolph-Chebyshev method to reduce side-lobe levels is proposed. The designed antenna was simulated, optimized, and fabricated for antenna performance parameter measurements. Antenna performance characteristics show good agreement with simulated results. A set of antennas were fabricated and then used together with a custom synthetic aperture radar system and SAR imaging performed on a point target in an anechoic chamber. Imaging results are also discussed in this paper showing improvement in image output. The antenna and its connected SAR systems developed in this work are different from most previous work in that this work is utilizing circular polarization as opposed to linear polarization.

引用

页码：1174 / 1181

页数：8

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