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基于NiosⅡ片上可编程系统(SOPC)实现的雷达监控系统.docx

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基于NiosⅡ片上可编程系统(SOPC)实现的雷达监控系统 Abstract Inrecentyears,withtherapiddevelopmentofradartechnologyandtheincreasingdemandforsecurityandsafety,radarmonitoringsystemshavebecomeanimportantequipmentforvariousapplicationssuchasdefense,aviation,meteorology,andtransportation.ThispaperfocusesontheimplementationofaradarmonitoringsystembasedontheNiosⅡsystem-on-a-programmable-chip(SOPC),whichhasthecharacteristicsofconfigurability,flexibilityandupgradability.Thehardwarecomponents,systemarchitecture,softwaredesign,aswellastheapplicationscenariosandperformanceevaluationoftheradarmonitoringsystemarediscussedindetail. Keywords:Radarmonitoringsystem,NiosⅡ,SOPC,hardwarecomponents,systemarchitecture,softwaredesign,applicationscenarios,performanceevaluation. Introduction Radarmonitoringsystemshavebeenwidelyusedinvariousfieldssuchassecurityandsurveillance,navigation,meteorology,andmilitaryapplications.Theycandetectthepresence,location,andmovementofobjectssuchasaircraft,ships,vehicles,andweatherphenomenabyemittingelectromagneticwavesandinterpretingthereflectedsignals.Traditionalradarsystemshavededicatedhardwarecomponentsthataredesignedforspecificpurposesanddifficulttoupgradeormodify.However,withthedevelopmentofprogrammablelogicdevices(PLDs)andfield-programmablegatearrays(FPGAs),radarsystemscannowbeimplementedonaprogrammablechip.TheNiosⅡsystem-on-a-programmable-chip(SOPC)isapopularchoiceforbuildingradarmonitoringsystemsduetoitsconfigurability,flexibilityandupgradability. ThispaperintroducesthedesignandimplementationofaradarmonitoringsystembasedontheNiosⅡSOPC.Thehardwarecomponents,systemarchitecture,softwaredesign,aswellastheapplicationscenariosandperformanceevaluationoftheradarmonitoringsystemarediscussedindetail. HardwareComponents Thehardwarecomponentsusedintheradarmonitoringsystemincluderadartransceiver,FPGA,ADC,buffermemory,anddisplaydevice.Theradartransceiveremitshigh-frequencyelectromagneticwavesandreceivestheechoesreflectedbytheobjects.TheFPGAisthecorecomponentthatperformssignalprocessin