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Development of Complex-Valued Self-Organizing-Map Landmine Visualization System Equipped with Moving One-Dimensional Array Antenna
Erika KOYAMA Akira HIROSE
IEICE TRANSACTIONS on Electronics
Publication Date: 2018/01/01
Online ISSN: 1745-1353
Type of Manuscript: BRIEF PAPER
Category: Electromagnetic Theory
ground penetrating radar (GPR), complex-valued self-organizing map (CSOM), tapered slot antenna (TSA),
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This paper reports the development of a landmine visualization system based on complex-valued self-organizing map (CSOM) by employing one-dimensional (1-D) array of taper-walled tapered slot antennas (TSAs). Previously we constructed a high-density two-dimensional array system to observe and classify complex-amplitude texture of scattered wave. The system has superiority in its adaptive distinction ability between landmines and other clutters. However, it used so many (144) antenna elements with many mechanical radio-frequency (RF) switches and cables that it has difficulty in its maintenance and also requires long measurement time. The 1-D array system proposed here uses only 12 antennas and adopts electronic RF switches, resulting in easy maintenance and 1/4 measurement time. Though we observe stripe noise specific to this 1-D system, we succeed in visualization with effective solutions.