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Paper Abstract and Keywords
Presentation 2010-01-21 13:50
Signal to Noise Improvement Ratio for Coded PSP-BOTDA
Daisuke Uchiyama, Tsuneo Horiguchi, Hiroshi Ando, Yoko Okumoto, Atsushi Kato, Takashi Sasaki, Yu Sawai (Shibaura-Inst. of Tech.) OFT2009-68
Abstract (in Japanese) (See Japanese page) 
(in English) We study Coded Phase Shift Pulse Brillouin Optical-fiber Time Domain Analysis (Coded PSP-BOTDA) for the measurement of distributed strain in optical fiber. PSP-BOTDA employs a pair of pulsed pump. The 1st pulse is to excite the acoustic phonons while the following 2nd pulse is to locate fiber strain with high spatial resolution. For the Coded PSP-BOTDA, the 2nd pulse is transformed to the sequence of Golay-coded pulses. This results in the improvement in signal-to-noise ratio of the detected signal. In this paper, we analyze and experiment on the relationship between Golay code length and signal to noise improvement ratio.
Keyword (in Japanese) (See Japanese page) 
(in English) BOTDA / Golay code / Brillouin amplification / Distributed optical fiber sensing / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 377, OFT2009-68, pp. 33-38, Jan. 2010.
Paper # OFT2009-68 
Date of Issue 2010-01-14 (OFT) 
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)
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Conference Information
Committee OFT  
Conference Date 2010-01-21 - 2010-01-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2010-01-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Signal to Noise Improvement Ratio for Coded PSP-BOTDA 
Sub Title (in English)  
Keyword(1) BOTDA  
Keyword(2) Golay code  
Keyword(3) Brillouin amplification  
Keyword(4) Distributed optical fiber sensing  
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Keyword(6)  
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1st Author's Name Daisuke Uchiyama  
1st Author's Affiliation Shibaura Institute of technology (Shibaura-Inst. of Tech.)
2nd Author's Name Tsuneo Horiguchi  
2nd Author's Affiliation Shibaura Institute of technology (Shibaura-Inst. of Tech.)
3rd Author's Name Hiroshi Ando  
3rd Author's Affiliation Shibaura Institute of technology (Shibaura-Inst. of Tech.)
4th Author's Name Yoko Okumoto  
4th Author's Affiliation Shibaura Institute of technology (Shibaura-Inst. of Tech.)
5th Author's Name Atsushi Kato  
5th Author's Affiliation Shibaura Institute of technology (Shibaura-Inst. of Tech.)
6th Author's Name Takashi Sasaki  
6th Author's Affiliation Shibaura Institute of technology (Shibaura-Inst. of Tech.)
7th Author's Name Yu Sawai  
7th Author's Affiliation Shibaura Institute of technology (Shibaura-Inst. of Tech.)
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Speaker Author-1 
Date Time 2010-01-21 13:50:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2009-68 
Volume (vol) vol.109 
Number (no) no.377 
Page pp.33-38 
#Pages 6 
Date of Issue 2010-01-14 (OFT) 

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