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Paper Abstract and Keywords
Presentation 2026-03-19 13:05
Basic study on waveform separation of electromagnetic radiated noise by independent vector analysis
Nao Takahashi, Michitaka Ameya (AIST) EMCJ2025-112
Abstract (in Japanese) (See Japanese page) 
(in English) Previously, studies have been conducted using independent component analysis (ICA) as a technique for separating and extracting independent components from waveforms containing multiple frequency components radiated into space. However, while ICA is suitable for instantaneous mixture models, it does not take into account propagation delays due to factors such as the distance of the receiving antenna. Therefore, waveform separation in actual radio wave propagation environments requires consideration of a convolutive mixing model that includes propagation delays. In this paper, we operate two signal generators independently and verify whether it is possible to separate and extract independent components by applying independent vector analysis (IVA), which has been proposed as an effective algorithm for the convolutive mixing model, to the radiated noise waveforms radiated into space from the antenna.
Keyword (in Japanese) (See Japanese page) 
(in English) Independent Vector Analysis / Independent Component Analysis / Convolutive Mixing Model / Blind Signal Separation / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 420, EMCJ2025-112, pp. 1-4, March 2026.
Paper # EMCJ2025-112 
Date of Issue 2026-03-12 (EMCJ) 
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 EMCJ2025-112

Conference Information
Committee MICT EMCJ  
Conference Date 2026-03-19 - 2026-03-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2026-03-MICT-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Basic study on waveform separation of electromagnetic radiated noise by independent vector analysis 
Sub Title (in English)  
Keyword(1) Independent Vector Analysis  
Keyword(2) Independent Component Analysis  
Keyword(3) Convolutive Mixing Model  
Keyword(4) Blind Signal Separation  
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1st Author's Name Nao Takahashi  
1st Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
2nd Author's Name Michitaka Ameya  
2nd Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
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Speaker Author-1 
Date Time 2026-03-19 13:05:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2025-112 
Volume (vol) vol.125 
Number (no) no.420 
Page pp.1-4 
#Pages 4 
Date of Issue 2026-03-12 (EMCJ) 

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