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Paper Abstract and Keywords
Presentation 2014-02-21 11:30
FDA compensation of tissue harmonic imaging by AM modulation of FM chirp transmission signal
Takuya Hiraoka, Norio Tagawa, Kan Okubo (Toyko Metropolitan Univ.), Iwaki Akiyama (Doshisha Univ.) US2013-98
Abstract (in Japanese) (See Japanese page) 
(in English) High definition of medical ultrasound images is strongly required. Recently, study of ultrasonic imaging using a second harmonic has been advanced for this purpose. However, the living body has the property of frequency dependent attenuation (FDA). And FDA is a problem that cannot be ignored when using the second harmonic. In this study, we have proposed a method to obtain echo signals ideal, after having received the distortion due to FDA by modulating the transmission signal.
Keyword (in Japanese) (See Japanese page) 
(in English) THI / FDA / FM chirp sighal / Second harmonic / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 439, US2013-98, pp. 25-30, Feb. 2014.
Paper # US2013-98 
Date of Issue 2014-02-14 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 US  
Conference Date 2014-02-21 - 2014-02-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Chofu Aerospace Center, Aerodrome Branch, JAXA 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2014-02-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) FDA compensation of tissue harmonic imaging by AM modulation of FM chirp transmission signal 
Sub Title (in English)  
Keyword(1) THI  
Keyword(2) FDA  
Keyword(3) FM chirp sighal  
Keyword(4) Second harmonic  
1st Author's Name Takuya Hiraoka  
1st Author's Affiliation Tokyo Metropolitan University (Toyko Metropolitan Univ.)
2nd Author's Name Norio Tagawa  
2nd Author's Affiliation Tokyo Metropolitan University (Toyko Metropolitan Univ.)
3rd Author's Name Kan Okubo  
3rd Author's Affiliation Tokyo Metropolitan University (Toyko Metropolitan Univ.)
4th Author's Name Iwaki Akiyama  
4th Author's Affiliation Doshisha University (Doshisha Univ.)
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Speaker Author-1 
Date Time 2014-02-21 11:30:00 
Presentation Time 15 minutes 
Registration for US 
Paper # US2013-98 
Volume (vol) vol.113 
Number (no) no.439 
Page pp.25-30 
Date of Issue 2014-02-14 (US) 

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