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Paper Abstract and Keywords
Presentation 2009-10-22 11:35
Acoustic Intensity Measurement of Running Motorcycle
Yuki Oohira, Kenji Furihata (Shinshu Univ.) EA2009-61
Abstract (in Japanese) (See Japanese page) 
(in English) The maximum permissible noise level for a motorcycle manufactured on or after October, 2001 is 72 dB at a distance of 7.5 m from the path of the centre line at a steady speed in Japan. A measurement method is presented that allows a separation of sound sources based on pass-by measurements of a motorcycle (YAMAHA yzf-r6). A three-dimensional sound intensity measurement system for sound source identification was developed. The true source positions and their sound intensity were determined that in a system of propagation equations the source positions were optimized until a best fit to the measured signals was achieved. From the results, the maximum sound intensity level is 110dB from the muffler.
Keyword (in Japanese) (See Japanese page) 
(in English) Acoustic intensity / Pass-by measurements / Three-dimensional sound intensity probe / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 240, EA2009-61, pp. 31-36, Oct. 2009.
Paper # EA2009-61 
Date of Issue 2009-10-15 (EA) 
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 EA2009-61

Conference Information
Committee EA  
Conference Date 2009-10-22 - 2009-10-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EA 
Conference Code 2009-10-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acoustic Intensity Measurement of Running Motorcycle 
Sub Title (in English)  
Keyword(1) Acoustic intensity  
Keyword(2) Pass-by measurements  
Keyword(3) Three-dimensional sound intensity probe  
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1st Author's Name Yuki Oohira  
1st Author's Affiliation Shinshu University (Shinshu Univ.)
2nd Author's Name Kenji Furihata  
2nd Author's Affiliation Shinshu University (Shinshu Univ.)
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Speaker Author-1 
Date Time 2009-10-22 11:35:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2009-61 
Volume (vol) vol.109 
Number (no) no.240 
Page pp.31-36 
#Pages 6 
Date of Issue 2009-10-15 (EA) 

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