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IEICE TRANSACTIONS on Electronics

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

Mohd Zafri BAHARUDDIN, Yuta IZUMI, Josaphat Tetuko Sri SUMANTYO, YOHANDRI

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Summary :

Antenna radiation patterns have side-lobes that add to ambiguity in the form of ghosting and object repetition in SAR images. An L-band 1.27GHz, 2×5 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 sim-ulated, optimized, and fabricated for antenna performance parameter measurements. Antenna performance characteristics show good agree-ment 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.

Publication
IEICE TRANSACTIONS on Electronics Vol.E99-C No.10 pp.1174-1181
Publication Date
2016/10/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E99.C.1174
Type of Manuscript
Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category

Authors

Mohd Zafri BAHARUDDIN
  Chiba University
Yuta IZUMI
  Chiba University
Josaphat Tetuko Sri SUMANTYO
  Chiba University
YOHANDRI
  Universitas Negeri Padang

Keyword