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Paper Abstract and Keywords
Presentation 2017-01-25 10:30
[Poster Presentation] Analysis of angle dependence of scattered wave from a fish containing swim bladder
Shunichi Fujii, Takenobu Tsuchiya, Nobuyuki Endoh (Kanagawa Univ.) US2016-89
Abstract (in Japanese) (See Japanese page) 
(in English) Scattered wave from an object varied by fisher’s size, shape, and direction.
In the field of fisher’s acoustics, for the estimation of fish species, the influence that direction of fish and shape of swim bladder give to amplitude of scattered wave is studied.
In this report, we simulate a fish body model containing swim bladder, skull, and spine.
The amplitude variation of scattered waveform by rotation of fish body model was calculated by numerical method.
By variation of receiving angle, maximum amplitude of received wave varies rapidly.
This cause that the distance between source and receiving point of scattered wave is varied by fisher’s shape or position of swim bladder and bone.
For this reason, it is found that the maximum pressure of wave at the receiving point was varied by phase shift and interference of waves.
Keyword (in Japanese) (See Japanese page) 
(in English) Scattered wave / Time waveform / Finite-difference time-domain method / Interference of wave / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 419, US2016-89, pp. 91-94, Jan. 2017.
Paper # US2016-89 
Date of Issue 2017-01-18 (US) 
ISSN Print edition: ISSN 0913-5685    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 US2016-89

Conference Information
Committee EA US  
Conference Date 2017-01-25 - 2017-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Doshisha Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics, and Related Topics 
Paper Information
Registration To US 
Conference Code 2017-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of angle dependence of scattered wave from a fish containing swim bladder 
Sub Title (in English)  
Keyword(1) Scattered wave  
Keyword(2) Time waveform  
Keyword(3) Finite-difference time-domain method  
Keyword(4) Interference of wave  
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1st Author's Name Shunichi Fujii  
1st Author's Affiliation Kanagawa University (Kanagawa Univ.)
2nd Author's Name Takenobu Tsuchiya  
2nd Author's Affiliation Kanagawa University (Kanagawa Univ.)
3rd Author's Name Nobuyuki Endoh  
3rd Author's Affiliation Kanagawa University (Kanagawa Univ.)
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Speaker Author-1 
Date Time 2017-01-25 10:30:00 
Presentation Time 90 minutes 
Registration for US 
Paper # US2016-89 
Volume (vol) vol.116 
Number (no) no.419 
Page pp.91-94 
#Pages 4 
Date of Issue 2017-01-18 (US) 

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