年 第 期 光 通 信 研 究
2021 4
总第 期 NorthChinaElectricPowerUniversity,Baoding071003,China)
Abstract
:,itisofgreatsig-
haveasinglestructure,whichresultsinpoormeasurementaccuracyforoverlappedspectrumanddistortionspectrum,andlim-
-precisionwavelengthdemodulation method mainlysolvestheprob-
lemsofpoorsystemtemperaturestabilityandlowpeak-
wavelengthdemodulationtechnologyincommunication,andreviewsthehigh-precisionfibergratingwavelengthdemodulation
methodsinrecentyears,includinghardwaremethodsofreferencefibergratings,Michelsoninterferometersandgascells,and
anddisadvantagesinthefieldoffibergratingsensingaredescribed,andtheproblemsanddevelopmenttrendsoffibergrating
demodulationmethodsareanalyzed.
Keywords
:fiberBragggrating;demodulationaccuracy;hardwareandsoftwaremethod
法已成为近几年
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