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Paper Abstract and Keywords
Presentation 2025-06-05 10:10
Omnidirectional DOA Estimation for Satellites: Principle Validation Through Acoustic Experiments
Yosuke Tanabe, Tsukasa Funane, Hisatoshi Kimura, Makoto Ito (Hitachi), Yasuyuki Miyazaki (JAXA), Satoshi Ikari, Shinichi Nakasuka (The University of Tokyo), Koichi Watanabe (Hitachi) SANE2025-4
Abstract (in Japanese) (See Japanese page) 
(in English) In space situational awareness, alongside optical camera observations, estimating position and velocity using radio waves is a crucial element. To monitor satellites in various orbits using radio waves from an on-orbit satellite, technologies capable of simultaneously estimating the direction of arrival (DoA) of radio waves from all directions are extremely effective. This study proposes a method for omnidirectional DoA estimation of radio signals by utilizing a three-dimensional array antenna mounted on a satellite as an interferometric sensor. To validate the principle of the proposed technique, we conducted acoustic experiments based on the analogy between electromagnetic and acoustic wave propagation, and present experimental results demonstrating its effectiveness.
Keyword (in Japanese) (See Japanese page) 
(in English) Omnidirectional DoA Estimation / Rotational Interferometry / Radio-Acoustics Similarity Raw / Tensegrity / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 57, SANE2025-4, pp. 18-23, June 2025.
Paper # SANE2025-4 
Date of Issue 2025-05-29 (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 SANE2025-4

Conference Information
Committee SANE  
Conference Date 2025-06-05 - 2025-06-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Information Technology R & D Center, MITSUBISHI Electric Corp. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite technology, Space Science, Radar, EW and generals 
Paper Information
Registration To SANE 
Conference Code 2025-06-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Omnidirectional DOA Estimation for Satellites: Principle Validation Through Acoustic Experiments 
Sub Title (in English)  
Keyword(1) Omnidirectional DoA Estimation  
Keyword(2) Rotational Interferometry  
Keyword(3) Radio-Acoustics Similarity Raw  
Keyword(4) Tensegrity  
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Keyword(6)  
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1st Author's Name Yosuke Tanabe  
1st Author's Affiliation Hitachi, Ltd. (Hitachi)
2nd Author's Name Tsukasa Funane  
2nd Author's Affiliation Hitachi, Ltd. (Hitachi)
3rd Author's Name Hisatoshi Kimura  
3rd Author's Affiliation Hitachi, Ltd. (Hitachi)
4th Author's Name Makoto Ito  
4th Author's Affiliation Hitachi, Ltd. (Hitachi)
5th Author's Name Yasuyuki Miyazaki  
5th Author's Affiliation Japan Aerospace eXploration Agency (JAXA)
6th Author's Name Satoshi Ikari  
6th Author's Affiliation The University of Tokyo (The University of Tokyo)
7th Author's Name Shinichi Nakasuka  
7th Author's Affiliation The University of Tokyo (The University of Tokyo)
8th Author's Name Koichi Watanabe  
8th Author's Affiliation Hitachi, Ltd. (Hitachi)
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Speaker Author-1 
Date Time 2025-06-05 10:10:00 
Presentation Time 20 minutes 
Registration for SANE 
Paper # SANE2025-4 
Volume (vol) vol.125 
Number (no) no.57 
Page pp.18-23 
#Pages 6 
Date of Issue 2025-05-29 (SANE) 

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