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Paper Abstract and Keywords
Presentation 2026-02-19 11:40
Development of a Drone-borne Synthetic Aperture Radar System and Its Application to Circular Track Observation
Takuma Watanabe, Ryuga Okamoto, Takayuki Shinya (Univ. Toyama) SANE2025-102
Abstract (in Japanese) (See Japanese page) 
(in English) Recent advances in drone technology and civilian millimeter-wave radar technology have garnered attention for drone-mounted millimeter-wave synthetic aperture radar (SAR), which combines the two. Compared to aircraft and satellites, a major advantage of drones as SAR platforms is their flexible observation capabilities, which take advantage of their maneuverability and irregular flight trajectories. While conventional platforms typically perform observations based on linear flight, drones offer a highly flexible trajectory for SAR observations, including circular and other curved orbits, as well as vertical trajectories. This paper focuses on this point and reports the results of a fundamental study aimed at reconstructing images of targets using circular SAR (Circular SAR: CSAR). This paper outlines the drone-borne SAR developed by the authors' research group, presents the results of CSAR image reconstructions targeting corner reflectors and automobiles, and compares them with point cloud data acquired by LiDAR.
Keyword (in Japanese) (See Japanese page) 
(in English) Drone / Circular SAR / Millimeter-Wave Radar / LiDAR / RTK-GNSS / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 358, SANE2025-102, pp. 20-24, Feb. 2026.
Paper # SANE2025-102 
Date of Issue 2026-02-12 (SANE) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SANE2025-102

Conference Information
Committee SAT SANE  
Conference Date 2026-02-19 - 2026-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Eef-Jouhou-Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Application and General Issues 
Paper Information
Registration To SANE 
Conference Code 2026-02-SAT-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of a Drone-borne Synthetic Aperture Radar System and Its Application to Circular Track Observation 
Sub Title (in English)  
Keyword(1) Drone  
Keyword(2) Circular SAR  
Keyword(3) Millimeter-Wave Radar  
Keyword(4) LiDAR  
Keyword(5) RTK-GNSS  
Keyword(6)  
Keyword(7)  
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1st Author's Name Takuma Watanabe  
1st Author's Affiliation University of Toyama (Univ. Toyama)
2nd Author's Name Ryuga Okamoto  
2nd Author's Affiliation University of Toyama (Univ. Toyama)
3rd Author's Name Takayuki Shinya  
3rd Author's Affiliation University of Toyama (Univ. Toyama)
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Speaker Author-1 
Date Time 2026-02-19 11:40:00 
Presentation Time 20 minutes 
Registration for SANE 
Paper # SANE2025-102 
Volume (vol) vol.125 
Number (no) no.358 
Page pp.20-24 
#Pages 5 
Date of Issue 2026-02-12 (SANE) 

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