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Paper Abstract and Keywords
Presentation 2021-03-05 14:00
Novel Design of 2.4GHz Band Right- and Left-handed Waveguide Arrays for Snow Melting
Yuji Koita, Kazusa Ohno, Shunta Kasai, Tamami Maruyama, Masashi Nakatsugawa (NIT, Hakodate), Yasuhiro Tamayama (Nagoya Univ) WPT2020-48
Abstract (in Japanese) (See Japanese page) 
(in English) Leaky waveguides with slots are used for snowmelting in microwave band. When a plurality of waveguides are arranged to melt snow in a wide area, if all the feeding points are arranged in the same direction, the radio waves radiated in the air are attenuated according to the distance, so that the snow melting state becomes not uniform. On the other hand, if the waveguides are arranged so that the positions of the feeding points are alternated, the traveling directions of the radio waves are opposite to each other, which may cause problems such as cancellation of the radio waves. Therefore, in this study, we proposed a method to match the traveling direction of radio waves by using a left-handed waveguide as the waveguide arranged in the opposite direction. The results of analyzing and comparing the radiation pattern and the electromagnetic field distribution for each of the three cases with different combinations of waveguides are shown.
Keyword (in Japanese) (See Japanese page) 
(in English) Left-Handed, / Left-Handed guided wave / Slotted waveguide, / Leaky waveguide, / Microwave heating, / Microwave Snow Melting System / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 416, WPT2020-48, pp. 73-78, March 2021.
Paper # WPT2020-48 
Date of Issue 2021-02-25 (WPT) 
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)
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Conference Information
Committee WPT  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WPT 
Conference Code 2021-03-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Novel Design of 2.4GHz Band Right- and Left-handed Waveguide Arrays for Snow Melting 
Sub Title (in English)  
Keyword(1) Left-Handed,  
Keyword(2) Left-Handed guided wave  
Keyword(3) Slotted waveguide,  
Keyword(4) Leaky waveguide,  
Keyword(5) Microwave heating,  
Keyword(6) Microwave Snow Melting System  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuji Koita  
1st Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate)
2nd Author's Name Kazusa Ohno  
2nd Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate)
3rd Author's Name Shunta Kasai  
3rd Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate)
4th Author's Name Tamami Maruyama  
4th Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate)
5th Author's Name Masashi Nakatsugawa  
5th Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate)
6th Author's Name Yasuhiro Tamayama  
6th Author's Affiliation Nagoya University of Technology (Nagoya Univ)
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Speaker Author-1 
Date Time 2021-03-05 14:00:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2020-48 
Volume (vol) vol.120 
Number (no) no.416 
Page pp.73-78 
#Pages 6 
Date of Issue 2021-02-25 (WPT) 

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