MODELING AND QUANTITATIVE RETRIEVAL OF FINITE FIELD FOR THE TROPICAL SEA SURFACE WIND SPEED OF THE FY-3B MICROWAVE IMAGER-中国期刊网

摘要 ThepurposeofthisstudyistoselectasuitableseawindretrievalmethodforFY-3B(MWRI).Basedonthetraditionalempiricalmodelofretrievingseasurfacewindspeed,andinthecaseofsmallsamplesizeofFY-3Bsatelliteloadregressionanalysis,thispaperanalyzesthechanneldifferencesbetweentheFY-3Bsatellitemicrowaveradiationimager(MWRI)andTMIonboardtheTRMM.Thepaperalsoanalyzestheinfluenceofthesedifferencesonthechannelintermsofreceivingtemperature,includingchannelfrequency,sensitivityandscalingprecision.Then,thelimitedrangeofnewmodelcoefficientregressionanalysisisdetermined(inwhichthechannelrangesettingsincludetheinformationandfeaturesofchanneldifferences),theregressionmethodsofthefinitefieldareproposed,andtheempiricalmodelofwindspeedretrievalapplicabletoMWRIisobtained,whichachievesrobustresults.ComparedtotheTAObuoydata,themeandeviationofthenewmodelis0.4m/s,andthestandarddeviationis1.2m/s.Inaddition,theschematicdiagramofthetropicalseasurfacewindspeedretrievalisprovided.

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MODELING AND QUANTITATIVE RETRIEVAL OF FINITE FIELD FOR THE TROPICAL SEA SURFACE WIND SPEED OF THE FY-3B MICROWAVE IMAGER

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MODELING AND QUANTITATIVE RETRIEVAL OF FINITE FIELD FOR THE TROPICAL SEA SURFACE WIND SPEED OF THE FY-3B MICROWAVE IMAGER

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