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Paper Abstract and Keywords
Presentation 2021-06-18 14:55
2-D FDTD simulation of moving sound source/receiver
Takao Tsuchiya, Yu Teshima, Shizuko Hiryu (Doshisha Univ.) US2021-12
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, moving sound source and/or receiver with arbitrary trajectory is implemented in the two-dimensional finite difference-time domain (FDTD) method. Two methods are proposed to implement a moving point source and/or receiver in the FDTD method in which physically valid analysis is possible including Doppler effect. One is the direct method and the other is the convolution method. The formulations and numerical experiments are made for the two-dimensional sound field, and the accuracy of two proposed methods are compared. It is confirmed that both methods can be applied to moving sound source and/or receiver including Doppler effect, and that two method have the almost same accuracy. It is found that the convolution method has advantages that the source waveform and moving speed can be freely changed at the time of convolution when either the source or receiver is stationary.
Keyword (in Japanese) (See Japanese page) 
(in English) moving sound source / moving receiver / Doppler effect / FDTD method / convolution / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 67, US2021-12, pp. 23-28, June 2021.
Paper # US2021-12 
Date of Issue 2021-06-11 (US) 
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 US2021-12

Conference Information
Committee US  
Conference Date 2021-06-18 - 2021-06-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2021-06-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 2-D FDTD simulation of moving sound source/receiver 
Sub Title (in English)  
Keyword(1) moving sound source  
Keyword(2) moving receiver  
Keyword(3) Doppler effect  
Keyword(4) FDTD method  
Keyword(5) convolution  
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1st Author's Name Takao Tsuchiya  
1st Author's Affiliation Doshisha University (Doshisha Univ.)
2nd Author's Name Yu Teshima  
2nd Author's Affiliation Doshisha University (Doshisha Univ.)
3rd Author's Name Shizuko Hiryu  
3rd Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2021-06-18 14:55:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2021-12 
Volume (vol) vol.121 
Number (no) no.67 
Page pp.23-28 
#Pages
Date of Issue 2021-06-11 (US) 


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