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Paper Abstract and Keywords
Presentation 2025-12-12 11:30
Energy Harvesting at Impedance Matched Terminal of Transmission Line and Synchronization of Time-Varying Circuit
Hiroyasu Ito, Kenta Yamamoto, Takashi Hisakado (Kyoto Univ.) NLP2025-74
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we experimentally verify that high efficiency energy harvesting at a matched terminal of a transmission line is realized by a time-varying circuit and discuss about the synchronization method of time-varying circuit. When the end of a transmission line is matched by a resistor with a value equal to the characteristic impedance of the line, the energy of the incident wave is converted to thermal energy and lost. However, non-reflective matching and energy harvesting are realized by
connecting a time-varying circuit to the end of the line, which applies a wave that cancels out the reflected wave. We discuss the loss of time-varying circuit and experimentally verify that high efficiency energy harvesting is achieved by the design that reduces the parasitic capacitances. Furthermore, we discuss about the synchronization method of time-varying circuit and verify its effectiveness through numerical simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Energy Harvesting / Time-Varying Circuit / Transmission Line / Matched Terminal / Synchronization / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 283, NLP2025-74, pp. 102-107, Dec. 2025.
Paper # NLP2025-74 
Date of Issue 2025-12-04 (NLP) 
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 NLP2025-74

Conference Information
Committee NLP  
Conference Date 2025-12-11 - 2025-12-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Kochi Castle Museum of History 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Nonlinear problem, etc 
Paper Information
Registration To NLP 
Conference Code 2025-12-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Energy Harvesting at Impedance Matched Terminal of Transmission Line and Synchronization of Time-Varying Circuit 
Sub Title (in English)  
Keyword(1) Energy Harvesting  
Keyword(2) Time-Varying Circuit  
Keyword(3) Transmission Line  
Keyword(4) Matched Terminal  
Keyword(5) Synchronization  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroyasu Ito  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Kenta Yamamoto  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Takashi Hisakado  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2025-12-12 11:30:00 
Presentation Time 20 minutes 
Registration for NLP 
Paper # NLP2025-74 
Volume (vol) vol.125 
Number (no) no.283 
Page pp.102-107 
#Pages 6 
Date of Issue 2025-12-04 (NLP) 

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