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Paper Abstract and Keywords
Presentation 2007-08-24 11:00
Fluctuations of Sound Propagation at Hashirimizu Port
Hanako Ogasawara, Kazuyoshi Mori, Toshiaki Nakamura (National Defense Academy), Koichi Mizutani (Univ. Tsukuba) US2007-29
Abstract (in Japanese) (See Japanese page) 
(in English) Acoustical monitoring method could monitor wide area such as ocean because it can spatially measure the measurement object with a few sensors. It is important to monitor ocean structure changes for understanding global climate changes and for controling aquatic resources. In this report, we investigated sound propagation characteristics using sound propagated data measured at Hashirimizu port of Yokosuka in August 2006. Water depth change caused by tide affected received signal amplitude. It was also confirmed simulated sound pressure by FDTD method through the change of assumed water depth.
Keyword (in Japanese) (See Japanese page) 
(in English) Sound propagation / Shallow water / Tide / Water temperature / Ocean acoustic tomography / FDTD method / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 200, US2007-29, pp. 7-12, Aug. 2007.
Paper # US2007-29 
Date of Issue 2007-08-17 (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 US2007-29

Conference Information
Committee US  
Conference Date 2007-08-24 - 2007-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English) The Port and Airport Research Institute 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Underwater Acoustics 
Paper Information
Registration To US 
Conference Code 2007-08-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fluctuations of Sound Propagation at Hashirimizu Port 
Sub Title (in English)  
Keyword(1) Sound propagation  
Keyword(2) Shallow water  
Keyword(3) Tide  
Keyword(4) Water temperature  
Keyword(5) Ocean acoustic tomography  
Keyword(6) FDTD method  
Keyword(7)  
Keyword(8)  
1st Author's Name Hanako Ogasawara  
1st Author's Affiliation National Defense Academy (National Defense Academy)
2nd Author's Name Kazuyoshi Mori  
2nd Author's Affiliation National Defense Academy (National Defense Academy)
3rd Author's Name Toshiaki Nakamura  
3rd Author's Affiliation National Defense Academy (National Defense Academy)
4th Author's Name Koichi Mizutani  
4th Author's Affiliation University of Tsukuba (Univ. Tsukuba)
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Speaker Author-1 
Date Time 2007-08-24 11:00:00 
Presentation Time 30 minutes 
Registration for US 
Paper # US2007-29 
Volume (vol) vol.107 
Number (no) no.200 
Page pp.7-12 
#Pages 6 
Date of Issue 2007-08-17 (US) 

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