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可重部署钠层测风测温激光雷达观测与研究 Title:ObservationsandResearchonDeployableSodiumLayerWindandTemperatureLidar Abstract: Deployablelidarsystemshavetransformedatmosphericresearchduetotheirabilitytoprovidehigh-resolutionobservationsofvariousatmosphericparameters.Thispaperfocusesontheapplicationandresearchofdeployablesodiumlayerwindandtemperaturelidar,whichutilizestheopticalpropertiesoftheatmosphericsodiumlayertomeasureatmosphericwindandtemperatureprofiles.Thistechnologyhassignificantimplicationsformeteorology,climatestudies,andspaceweatherresearch.Theaimofthispaperistodiscussthedesign,applications,andadvantagesofdeployablesodiumlayerwindandtemperaturelidarinatmosphericobservationsandresearch. 1.Introduction Thestudyofwindandtemperatureprofilesintheatmosphereplaysacriticalroleinanarrayoffields,includingweatherprediction,climatemodeling,andspaceweathermonitoring.Thedevelopmentofdeployablesodiumlayerwindandtemperaturelidaroffersapromisingsolutiontoobtainaccurateandhigh-resolutioninformationabouttheverticaldistributionofwindsandtemperatures.Thispaperpresentstheprinciplebehindthislidarsystemanditspotentialapplications. 2.PrincipleofSodiumLayerLidar 2.1SodiumLayerFormation ThesodiumatomsintheEarth'smesosphereareexcitedbysolarradiation,creatingasodiumlayerlocatedbetween80and110kmabovetheEarth'ssurface.Thislayerprovidesauniquesourceofscatteredlaserradiation,whichcanbeusedtoprobetheatmosphere. 2.2LidarSystemDesign Adeployablesodiumlayerlidarsystemtypicallyconsistsofapulsedlaser,telescope,receiver,anddataprocessingunit.Thepulsedlaseremitsabeamattheresonantwavelengthofsodium(589nm),whichisthendirectedtowardtheatmosphere.Thescatteredlightiscollectedbythetelescopeanditsspectralpropertiesanalyzedbythereceiver.Dataprocessingalgorithmsareappliedtoextractwindandtemperatureprofilesfromthelidarmeasurements. 3.ApplicationsofDeployableSodiumLayerLidar 3.1AtmosphericDynamics Thesodiumlayerlidarobservatoriescanprovidevaluabledataforstudyingatmosphericdynamics,includingmeasuringverticalprofilesofwindspeed,