毫米波太赫茲氣象雷達ContentsBackgroundBrief1$T毫米波太赫茲氣象雷達ContentsBackgroundBrief1$TGenera(ionCPRCPRTechIrendNextGenerationCPRandiheiiiLidi<}acti\eimpactandiheiiiLidi<}acti\eimpactBackgroundBriefThedimateandweatherforecastingproblemCloudfeedbacksdoininare1hesensitivix\rofclimatetoexternalfoicingbutexistingmodelsdonota印ee.morelowcloudsreflectingsunlight今coolingmoieliigh(cold)cloudsJ&ssIRiospace—warmingTheaccuracyofCurrenTNumerical\\7eath.erPrediction modelsisnotgood.Thefunctionrelationshipsbetweenwatericeconteinofcloudsandprecipitationrequirescertainpriorassumptions.ToprovidebciEcrforecastsofhaztirdoiLSe\rentssuchasflashflooding,BackgroundBriefThegapsinaurabilityIopiobedcudsCloudsandassociatedprecipirationarethelargestsouiceofuncertaintyincurrentweatherandJUtureclimatesimulations.Larg^uncertaintiesintheretrievalsresultsingapsinDurabilityroprobeclouds.EuundarvLtiv巴clou<ls:suchasstramsandsimtocumulut.drizzler-r "limitstheaccuracyoftheliquidwaterconten!.ChitsClonds:seesallclouds(D^100|iniXbutstiUmisssoaieclouds(D^lOlim)PrecipifariiigSnow:atpresentmostglobalsnowalgoiitlunsreinaineinpiiicalinnature.

BackgroundBriefKeychallengetoprobeclouds.OutIineTheDevelopmentofmm/Terahertz

CPR(CloudProfilingRadar)

2l5GHzClJoiidProfilingRadlarTheProfiling&T社青HeuhurtygainedbyTeratTiertECPRTheDevelopmentofmm/TerahertzCPR1990Univer&itvofMassachusensManufactuieda215GHzCloudPiofilingRadar?PeakPowei:60W2l5GHzClJoiidProfilingRadlarTheProfiling&T社青HeuhurtygainedbyTeratTiertECPRTheDevelopmentofmm/TerahertzCPR1990Univer&itvofMassachusensManufactuieda215GHzCloudPiofilingRadar?PeakPowei:60W?Miuiuiunidelectablerelkcli\ily:-15dBZ?i1kmUniversityofMassachusettsTerahertzCPRUKChilboltonObservatoryGalileo94GHzCPRChilboltonObservato7andRALManufactured94GHzcPR?WorkingFreq:?4.008GHz?Polaiization:venical?PeakPow^r:1500W/0.5u^6250Hz?Minimumdetectablereflectivity:TBD?Resoluricni,：75ni?MainDish;。/6mx2?Resoluricni,：75niTheDevelopmentofmm/TerahertzCPRJPLHighsensitivityAtmosphericRadar2014JPLDeJgnedConsiderationsforaDual-fiequencyRadarforSeaSprayMeasuremeniinHuiricanes?PeakPower:100W?Platformaititude12ktn?Minimumderectabl^reflectivity：-25dBZ@94GH7:-35dBZ@220GHzl^hkI EiifIlir 眄。EiHriW\lkiRe4ulr<n-enilFnqiKfK，JMGk1hfii-mwfibW/京/■'■'J ib*jf?曲muilljuris11、_h?tn.Rijks.?K［Tinijrilspn睬J『X?J曲 置值可時fMw*■瑞j>母小事1lifhict3uu.Iiggi^fob?fnibiriffrlciruiulncfltikuiily］咖［11|11￥匕沸、bushyvrCiuv^itohncj^cfpufck1juicimk曲mi力nII，段Ho*qmuicm再&e嘰訃時*=Uihi血 mlPUllorni加JEjVTifievi.i HimfcimnMuunomdclcLtihlcrctk&Ln司r-：?品定」Ntilt門$皿口工加（涮』EkMUNneQy，m,卅fai^cofWriMh■Mh untj;kwlji<idrtllnlftiCHniKm電嗔乃川雷潦MjivrFftrj1rdiil反崎lOhiMftdyra*witwE10?n是IJH出11drwy? rdflildHAt'cmr&riiinEriievd*!*31cnnliHl急?iew也即B)IJUim￡比】*ght|i?EfV崎J— 'ifleHuainofirrajiiMcwtEMkf 尸e*dkahhv^wncyEnc』hIXtuuWcHinge例44工qheiyhLuii^euert占刊i邛用、?aJ44nUCCJKiuHjlyTheDevelopmentofmm/TerahertzCPRRPGGroundbasedCloudRadarRPGDesignedaDual-flequeiicyCloudRadar?WorkingFreq:94X)5GHz?PeakPower:1.5W/CW?Minimumdetectablereflect:-36dBZ@10km?MainDish.:O.5mx2?Resoluiioii:lmHistoryofSpacebornemm/TerahertzCPR2006-201814/35^4-GHz(?)DopplerfadarNASACloudSat94-GHzradar2006-201814/35^4-GHz(?)DopplerfadarNASACloudSat94-GHzradarESA/JAXAEarthCARE9%GHeDopplerradarC.2025(?)NASAAerosols,Clouds,ConvectionandPrecipitationTheDevelopmentofmm/TerahertzCPRCloudSAT/NASA,CSA?WorkingFi^qi?4,O5GHz?Platformaltinid^:'口5km?PeakPower700W/3.s/610CK7500Hz?Minimumdelectableleflectivny:-30dBZ-g1kmMainDish:1.SmResolutLoiin500m?LaunchTime:2006

TheDevelopmentofmm/TerahertzCPREARTHCARE/ESA+JAXAWorkingFiuq:94,05GHiPlarfoimalriiude:400kmPeakPower:1500W，3.3us/610g7500HzMinimumdetecTablereflecti\,ity>35dBZ@1kmMainDish:2mResolution:500uiLaunchTime:2Q21?HigherFreq,300-1000GHz?Multi-Freq?Dual/Triple/QuadTechTrendfortheNextGenerationCPR,ValidationofnextgenerationNWPLaunchTime:2Q21?HigherFreq,300-1000GHz?Multi-Freq?Dual/Triple/QuadTechTrendfortheNextGenerationCPR,ValidationofnextgenerationNWPe-conwwicMknIheNADcudalSuirwcyKJW縣Ku(TRMM.GPM足由“明TheDevelopmentofFuturem/mTerahertzCPRGRaCE/UKSA? kiii^Freq:2OOGHz?Platformaltitude:TBD?PeakPower:200mWCW?Resolution:50mMainDish:TBD?LaunchTimeTBD?Resolution:50mMainDish:TBD?LaunchTimeTBDL：K|VllJ.tTrUf1IJCIZSTI.RTheDevelopmentofFuturemm/TerahertzCPRCASCTerahertzCloudProfilingRadar2016CASCDe^elopedaPrototypeofTerahertzClondProfilingRadar?Minimumdei?cTiiblereflectivity:-2tdBZ^lkm?WorkingFreq:220GHz22OGhzcloudradarZ4BTheRaftlingofReilectivitygairedbyTeratnertzCPR42&17J1.2117:05h17iDS)簡介：CPR(CloudProfilingRadar)主要用于地球環(huán)境監(jiān)測并著重監(jiān)控云上升和下降的動態(tài)信息、云粒和氣溶膠生成以及保有狀況等信息。由于云層由微小水滴或冰顆粒組成，比雨滴直徑要小的多，所以對云層以及體積更小的氣溶膠探測需要毫米波雷達來實現(xiàn)。94GHz測云雷達甚至可以“切開