基于GPU的机载气象雷达仿真系统设计与实现——电气自动化-2013

ElectricalAutomation《》2013354PatternIdentificationsGPU123200240GPU。。。CPU+GPU。。DOI10．3969/j·issn．1000－3886．2013．04．036TP391．9A1000－3886201304－0100－03DesignofGPUBasedAirborneWeatherRadarSimulationSystemZHOUMingHUShi-qiangZHANGJunSchoolofAeronauticsandAstronauticsShanghaiJiaoTongUniversityShanghai200240ChinaAbstractThedesignideasandimplementationofanairborneweatherradarsimulationsystemisdescribedindetail．First3Dcloudfielddataisacquiredbasedon3Dreconstructiontechnologyofsatelliteimageaddinginvirtualterraindatasettingupanatmosphereenvironmentmoduleofweatherradar．Basedonthe3Dcloudfieldaccordingtotheflightrouteandradar＇sscanningtypecomputetheradarechoanalyzetheechodataandvisualizeit．AmongthecomputingofradarechodataverylargeintensecomputingwillbeinvolvedsosolutionofCPU+GPUheterogeneousparallelisproposed．Thesimulationresultshowsthatthemethodacceleratedthesystemsignificantly．Keywordsairborneweatherradar3Dreconstructionmarkovchainparallelcomputingtexturememory2012－11－050。1。、、。。。CamberRadarToolkit、、。/、、/。。2、、。3。、CPU+GPU。111。1。2、。3001ElectricalAutomationPatternIdentifications《》2013354。4。53。22．1。2、、43。。23。27N4。42．2。τh=τc5c。。θφRπRθ/2215V=πRθ()22h2≈hR2θ215。6k2xkt=Aktexp－jφkt2Aktφkt。3Xt=∑N－1k=0Aktexp－jφkt33。PC。CPU。6CPU+GPUNVIDIA2007CUDAComputeUnifiedDeviceArchitectureGPU7CPU+GPUCPUGPU。6CPU+GPU。CPUGPU。GPU。101ElectricalAutomation《》2013354PatternIdentificationsGPUGPUCPU。。4IntelCore2E74002．8GHzCPU4GGeForceGTX550TiVisualStudio2008－90deg～90deg0deg～4deg。778。CPUCPU+GPU1。81。CUDA。CPU+GPU。190×50180×100360×200900×400CPUms320．12474．381269．713165．23CPU+GPUms78．3484．7591．92128．214．15．613．824．75GPU。。1．J．200936811－13．2．C．272010．3．J．20123021－5．4SompornChuai-AreeWilliJagerHansGeorgBock．3DCloudandStormReconstructionfromSatelliteImageC．ModelingSimulationandOptimizationofComplexProcesses2008187－206．5．M．2007．6CheongBLPalmerRDXueM．ATimeSeriesWeatherRadarSimulatorBasedonHigh－ResolutionAtmosphericModelsJ．JournalofAtmosphericandOceanicTechnology2008252230－243．7NICKOLLSJ．ScalableParallelProgrammingwithCUDAJ．ACMQueue．20086240－53．【】1987－1969－1978－、欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁欁。961NaiduSRNetoAFC．TheStray-CapacitanceEquivalentCircuitforResistiveVoltageDividersJ．IEEETrans．Instrum．Meas1985343393－398．2．M．．2009146－156．3．J．2011471026－33．4．J．200922796－98．5．J．201029158－63．6．－D．2002．7HanSJGuSQHeJLetal．Computationofaxisymmetricopenboundaryeddy-currentfieldproblemsJ．IEEProc．-Sci．Meas．Technol20041513159－166．8．M．1982106－191．【】1988－1965－檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪檪殏殏殏殏。201