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1、•PURDY,BLANKENSHIP,MUEHE,STERN,RADER,ANDWILLIAMSONRadarSignalProcessingRadarSignalProcessingRobertJ.Purdy,PeterE.Blankenship,CharlesEdwardMuehe,CharlesM.Rader,ErnestStern,andRichardC.WilliamsonnThisarticlerecountsthedevelopmentofradarsignalprocessingatLincolnLaboratory.TheLaboratory’ssignifi
2、canteffortsinthisfieldwereinitiallydrivenbytheneedtoprovidedetectedandprocessedsignalsforairandballisticmissiledefensesystems.ThefirstprocessingworkwasontheSemi-AutomaticGroundEnvironment(SAGE)air-defensesystem,whichledtoalgorithmsandtechniquesfordetectionofaircraftinthepresenceofclutter.Thi
3、sworkwasquicklyfollowedbyprocessingeffortsinballisticmissiledefense,firstinsurface-acoustic-wavetechnology,inconcurrencewiththeinitiationofradarmeasurementsattheKwajaleinMissileRange,andthenbyexploitationofthenewlyevolvingtechnologyofdigitalsignalprocessing,whichledtoimportantcontributionsfo
4、rballisticmissiledefenseandFederalAviationAdministrationapplications.Morerecently,theLaboratoryhaspursuedthecomputationallychallengingapplicationofadaptiveprocessingforthesuppressionofjammingandcluttersignals.Thisarticlediscussesseveralimportantprogramsintheseareas.signalproc
5、essingatLin-oftechniquesdevelopedforonemissionareatootherTcolnLaboratoryhaditsgenesisinresearchef-missionareas.Forexample,LincolnLaboratory’sef-fortsundertakenattheMITRadiationLabo-fortsonairdefensewereappliedtotheneedsofairratoryduringWorldWarII[1].Theseefforts,alongtrafficcontrol,satellite
6、communicationcontributedwithsimilareffortsatBellTelephoneLaboratoriestodevelopmentsinspacesurveillance,andspeech[2,3],providedatheoreticalfoundationformanyprocessingandsolidstatephysicsbothcontributedimportantdevelopmentsinsignalprocessingatmanysignificantlytoradarsignalfiltering.Particularl
7、ysig-organizationsduringtheensuingyears[4].WiththenificanthavebeenthepathfindingeffortsindigitalformationofLincolnLaboratoryin1951,thistheo-signalprocessing,andthesuccessfulapplicationofreticalfoundationwasinitiallyappliedtoprogramsinthisfieldtoman
