基于溫度補(bǔ)償?shù)腷ragg光柵壓力傳感器及其信號(hào)處理研究

1、武漢理工大學(xué)碩士學(xué)位論文基于溫度補(bǔ)償?shù)腂ragg光柵壓力傳感器及其信號(hào)處理研究姓名：張豐濤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：通信與信息系統(tǒng)指導(dǎo)教師：王俊杰20090501AbstractThefiberBragggrating(FBG)becomeoneoftheallfiberpassivedeviceswiththefastestdevelopingspeedinrecentyearswhenitisusedtoasensorsystem，i

2、tcancheckstrain。temperature，pressure，acceleration，etcOpticfibergratingsensorgraduallyOpticfibergratingsensorgraduallybecometheresearchfocusamongthesensorsbecauseoftheexcellentpropertiessuchasitssmallsize，lightweight，high

3、accuracyimmunitytoEMIandhighresistancetocorrosiveenvironments，anditsapplicationISafieldintheascendant，thereareverywidedevelopmentprospectsTheworkofthispaperfocusesonresearchonfiberBragggratingstresssensorinebudingthebasi

4、ctheoryoffibergrating，principlesofafiberBragggratings；ensorcrosssensitivityenhancedsensitivitytechnology，temperaturecompensation，signaldemodulationtechnologyforfiberBragggrating，andSOonFilstlyweintroducedthecharacteristi

5、coffiberBragggratinganditscurrentdevelopmenttrendathomeandabroad，explainedthetheoryofthefiberBragggratingc：ouplingmodelandsensingmechanismoffiberBragggrating，analyzedthecrosssensitivityoftemperatureinfiberBragggratingpre

6、ssuresensingandmethodotseveringcrosssensitivityfurthermore，toovercomethecrosssensitivityproblem，wehavedesignedOpticalfiberBragggratingstresssensorsbasedonthinwalledcylinderstructureandplanesheetstructure，proposedthepassi

7、vetemperaturecompensatingandPolymerpackagetechnique，bythismeans，wehavenLotonlysolvedthecrosssensitivityproblemcausedthetemperaturechangingbutalsoincreasedthestresssensitivityofstressmeasurementSecondlV，weanalysecommonlyu

8、seddemodulationtechniqueforfiberBragggrating，ahewdemodulationtechniqueforfiberBragggratingbasedonFPGAispresentedFinallywesetupstresssensingmodeloffiberBrgaggrating，andcompletedthepressuresensitiveexperiments，temperatures