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я布式光纤测温技术性能я析-山东建筑大学学报.PDF

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28 2 Vol.28 No.2                     2013 4 JOURNAL OFSHANDONG JIANZHU UNIVERSITY Apr. 2013 :1673-7644(2013)02-0148-06 , , , , ( , 250101) : , , , 。 、 , ; , 。 : ; ; ; :TP212      :A Performanceanalysisofdistributedopticalfibertemperature sensingtechnology YuHaiying,LiQi,SuoLin,etal. (1.SchoolofInformation&ElectricalEngineering,ShandongJianzhuUniversity,Jinan250101,China) Abstract:Opticalfibersensorsmayconstituteasensornetwork,canaccomplishdistributed measurement,andiswidelyusedinstructuralhealthmonitoringoflargebuildings,soitbecomesa researchhotspotinthefieldofopticalfibersensinginrecentyears.Thispaperdiscussestworesearch directionsofdistributedopticalfibertemperaturesensingtechnologyinitsprinciplesofwork, characteristicsandperformance,whichincludethedistributedfibersensorsoftimedomainand frequencydomainreflectiontechnologybasedontheopticalfiberbackscatteringandthedistributed fibergratingsensorsbasedonopticalmultiplexingtechnology,Thepaperalsoanalyzestheapplication oftwodirect
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