Signal Processing for Fibre-optic Distributed Sensing Techniques Employing Brillouin Scattering |
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Authors: | XIAO Shang-hui LI Li |
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Affiliation: | 1.School of Communication and Information Engineering;University of Electronics Science & Technology of China;Chengdu 610054;CHN;2.Institute of Optoelectronic Information;Yibin University;Yibin 644007;CHN |
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Abstract: | As fibre optic distributed scattering sensing systems are providing innovative solutions for the monitoring of large structures, Brillouin-based distributed scattering sensing techniques represent a new physical approach for structures health monitoring, which seems extremely promising and is receiving most attentions. This paper comprehensively presents some methods of signal interrogation for fibre optic Brillouin-based distributed scattering sensing technology, especially establishes an accurate Pseudo-Voigt model of Brillouin gain spectrum and gives some results on spectrum analysis and data processing. |
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Keywords: | fibre optic sensor distributed sensor Brillouin scattering Brillouin-OTDR |
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