紅外成像系統(tǒng)的作用距離估算.pdf

1、電子科技大學(xué)碩士學(xué)位論文紅外成像系統(tǒng)的作用距離估算姓名：王娟申請學(xué)位級別：碩士專業(yè)：光學(xué)指導(dǎo)教師：吳健20040301塑王型墊盔堂嬰圭鱟垡笙塞A8STRACTInrecentyears，infraredimagingsystem(IRIS)hasbeenwidelyappliedinmanyapplicationfietdssuchasmilitary；medicalandindustryfieldsere，Sosystemevalna

2、tionisofgreatimportancetotheoreticalandpracticalapplicationsOnthebasisofstaticfieldperformancemodel，wehavedesignedmodelstocalculatetheviewrangeofinfraredimagingsystemsTheviewrangeisafundamentalfactortodesigninfraredimagi

3、ngsystemsThefactorsthataffecttheviewrangeofIRISarediscussedinthispaperViewrangeismostlyinfluencedbythreefactors：featureoftargetandbackground，theatmosphericattenuationandtheperformanceofIRISAmongthesefactors，theatmosphere

4、isacomplexfactorBymeansofanalysis0nradiantenergytransmissionintheatmosphere，theequationofradianttemperaturedifferencetransmissionisconstructedTherebythecalculationoftheviewrangeofIRIScanbesimplified，Basedonthedepositvolu

5、meofvaporandcarbondioxideintheatmosphereundersealevel，theatmospherictransmissivityispresented；modificationoftheheightandslantpathisconsideredWemainlycalculatetheatmospherictransmissivityof3～5umand8～12“tmwavebandinhorizon

6、talandslantpathBasedonNETDandMRTDofIRIS，mathematicmodelsfortheviewrmagepredictionadaptedforpointsourcetargetandextendedsourcetargetarestudiedrespectively，consideringtarget’Ssizeanddetectionprobabilityincalculatingtheview

7、rangeofextendedsourcetarget。MoreoverCatherineGPthermalcameraisevaluatedbythemodelsweconstructed，calculatingtheviewrangeofsomerepresentativetargetsTheresultshowsthatthemodelgiveninthepaperispracticableandfeasible。Atlast，a

8、softwareisdevelopedonthebasisofVB，itCancalculateMRTD，atmospherictransimissivityviewrangeofthepointtargetandextendedsourcetargetaswel】Keywords：infraredimagingsystem(IRIS)，minimumresolvabletemperaturedifferenee(MRTD)，atmos