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Please use this identifier to cite or link to this item: http://idr.iitbbs.ac.in/jspui/handle/2008/570
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dc.contributor.authorPradhan H.S.en_US
dc.contributor.authorSahu P.K.en_US
dc.date.accessioned2020-01-13T10:31:34Z-
dc.date.available2020-01-13T10:31:34Z-
dc.date.issued2014-
dc.identifier.citation6en_US
dc.identifier.urihttp://dx.doi.org/1016/j.ijleo.2013.06.078-
dc.identifier.urihttp://10.10.32.48:8080/jspui/handle/2008/570-
dc.description.abstractThis paper describes and demonstrates the performance enhancement of a 150 km distributed sensing system based on Brillouin optical time-domain analysis (BOTDA). We present a BOTDA system combining the phase modulation and global evolutionary computing based optimization technique (Differential Evolution algorithm (DE)) for receiver optimization. We achieved an SNR improvement of 3.3 dBm compared to amplitude modulated probe wave for 150 km sensing range. We successfully demonstrate the presence of hot spot at a distance of 51 km of the sensing fibre for different temperatures. � 2013 Elsevier GmbH.en_US
dc.language.isoenen_US
dc.subjectAvalanche photo diodeen_US
dc.subjectBrillouin frequency shiften_US
dc.subjectBrillouin optical time domain analysisen_US
dc.subjectDifferential Evolutional algorithmen_US
dc.subjectSignal to noise ratioen_US
dc.title150 km long distributed temperature sensor using phase modulated probe wave and optimization techniqueen_US
dc.typeArticleen_US
Appears in Collections:Research Publications

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