航天遥感器中波红外通道星上辐射定标技术分析-analysis of on-board radiation calibration technology of medium-wave infrared channel in space remote sensor.docx

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航天遥感器中波红外通道星上辐射定标技术分析-analysis of on-board radiation calibration technology of medium-wave infrared channel in space remote sensor.docx

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航天遥感器中波红外通道星上辐射定标技术分析-analysis of on-board radiation calibration technology of medium-wave infrared channel in space remote sensor

AbstractBasedonaremotesensingproject,theon.boardcalibrationtechnologyformid.infraredchannelisanalyzedinthethesis.Themethodandalgorithmofon.boardcalibrationisresearched.Calibrationmechanismisdesignedandthetechnologyofdesignisverifiedbyverificationtest.Theresearchprovidesbasisforprojectofon.boardcalibrationformid.infraredchannel.Inthethesis,principleofradicalizationcalibrationandalgorithmofrelativecalibrationareresearched.Projectadaptabilityofdifferentalgorithmsisanalyzed.Basedondesignparametersofremotesensor,On.boardcalibrationmechanismisdesigned,whichadoptspartialopticalpathfull.aperturedesignandtwo.pointmethodofcalibration.Accordingtotheanalysisoftransmissionaboutfeaturesreflectedsolarradiationandheatradiationfromearthtoon.boardcalibrationsystem,theon.boardcalibrationtemperaturesarecomputed.Finallyon.boardcalibrationtemperaturessetting,dynamicrange,integrationtimeandNE?Tsettingareanalyzedsyntheticallyandoptimumdesigned.Thecomprehensivedesigncycleandalgorithmareadvanced.Accordingtoresearchofon.boardcalibrationmechanismdesign,asimpleandreliabledesignisadoptedinwhichthemakeup,structure，modeandmaterialdesignparametersofon.boardcalibrationmechanismareanalyzed.Basedonthemethodofon.boardcalibration,on.boardcalibrationaccuracyiscomputed.Accordingtocalibrationtestinthelaboratoryandoutdoorlocationimagingtest,theon.boardcalibrationtechnologyisverified.Comparingrelativecalibrationaccuracyofuniformfieldbeforerelativecalibrationwiththeaccuracyafterrelativecalibrationandvisualeffectofoutdoorlocationimagebeforerelativecalibrationwiththeimageafterrelativecalibration,resultsshowthatthetechnologyofon.boardcalibrationcansatisfyrequirementsofon.boardcalibration.Keywords:Aerospaceremotesensor，Mid-infrared，On-boardRadiometriccalibration，Relativecalibration目录摘要...............................................................................................................IAbstract...............................................................................................................I