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1、DesignandImplementationofaPracticalAircraftPositionandReportingIdentificationBeacon(PRIB)ByYuenonLeeYanThesissubmittedtotheFacultyofVirginiaPolytechnicInstituteandStateUniversity(VirginiaTech)inpartialfulfillmentoftherequirementsforthedegreeofMasterofScienceInE
2、lectricalEngineeringDr.TimothyPratt,ChairmanDr.CharlesW.BostianDr.DennisG.SweeneyApril2003Blacksburg,VAKeywords:ADS-B,SecondaryRadar,ModeS,Beacon,Transponder,GPSDesignandImplementationofaPracticalaircraftPositionandReportingIdentificationBeacon(PRIB)ByYuenonLee
3、YanTimothyPratt,ChairmanElectricalEngineering(Abstract)Atransponderisadevicethatisusedfortrackingaircraftbymeanofasecondaryradarsystem,butitcanbeturnedoffdeliberately,anditisanexpensiveitemforsmallaircraft.Theseweaknesseshavefatalconsequences,aswasshownwiththet
4、erroristthattackonSeptember11,2001,wherefourcommercialaircraftunderthecontrolofinternationalterroristswereusedasmissilesagainsttheUnitedStatedofAmerica,killingthousandsofpeople.Thesefactorshaveshownaneedforthedevelopmentofanefficientaircrafttrackingsystem,which
5、doesnotrelyontransponders.Tothisendanewtrackingaircraftsystemisproposed,whichwillbereferredtoasthePositioningandReportingIdentificationBeacon(PRIB)system.Duetosize,mass,power,andfinancialconstraints,thedesignmustbesmall,light,powerefficient,andcost-effective.Th
6、ePRIBwillacquiretheaircraft’spositionfromadedicatedGPSreceiverandthentransmitthisinformationtoabasestationatadifferentlocationusingaradiolink.ThisthesispresentsthedesignofaPRIBunitinlightofthesystemconstraints.Inadditiontothehardwaredesign,thesoftwareneededbyth
7、eunittocontrolandcommunicatewiththegroundstationsispresented.TheperformanceofthePRIBisanalyzedandwaysinwhichaPRIBcouldbemanufacturedusingcommercialoff-the-shelfpartsisdiscussed.AcknowledgmentsIwishtoexpressmydeepappreciationtoDr.TimothyPrattforactingasmyadvisor
8、andforhismotivation,andguidance.Hisguidancehasbeeninvaluabletothecompletionofthisthesis.IalsowishtothankDr.DennisG.SweeneyandDr.CharlesW.Bostianforservingonmycommittee.Iwoul
