基于软件无线电的信号处理方法研究

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1、南京信息工程大学硕士学位论文基于软件无线电的信号处理方法研究姓名：张秀再申请学位级别：硕士专业：大气遥感科学与技术指导教师：陈钟荣20090501AbstractInformationcollection，testingandprocessinghasbeenincreasingly诚dclyusedinScientificresearch,Industrialproduction,Medicalandhealth，Publicsafetyandotherfields．Atthesametime，alsocontribute

2、dtothedataacquisitionandprocessingtechnology．InformationcollectionisthefoundationofDataprocessing，DataanalysisandDataidentification，Therefore，informationcollection,transmissionandstoragehasanimportantpracticalvalue．Dataprocessing，featureanalysisandDataidentificatio

3、narethepurposeofdatacollection,Therefore，thePerformanceIndicatorsofdataanalysisandtestsystemhasamorepracticalsignificance．舷papersystematicallydiscussestheUSB2．0interfaceusedindataacquisitionandtransfer,softwareradiotechnology．Takingsomestudyonsignalprocessingalgori

4、thms，Hilberttransformanalysisofthetheoreticalbasis，anditsapplicationinsignalprocessingandpointingoutthelimitationsofapplyingtosignalprocessing．TheHilbert-Huangtransformalgorithm饵暇Talgorithm)isusedinthedataProcessing．Throughtheoreticalanalysisandexperimentalsimulati

5、onstudythecharacteristicsoftheHHTmeans．I-IilbertinstantaneousanalysisandHilbert-HuangTransformmeansareusedinanalysingthefeaturesofAM、FM、2FSKand4FSK．Andcomparingtheresultsoftwomethods．neresultsshowthattheHilbert-HuangTransformtotheanalysisofnon-stationarysignalshasa

6、certaineffect．ThesectionofdataanalysisandtestingisbasedonVirtualRadiotheoryofSoftwareistheInsmmaent,usingtheprogrammingmethodtodesignsignalprocessingsoftware．Consideringtheflexibility,scalabilityandportabilityoftheapplicationsoftwaresystem．IntheVC++6．0circumstance，

7、thedialogisastheapplicationsoftwareinterface，andotherdifferentfunctionalmodulesaredesigned．Inadditional，morecomplexfunctionalmodulesinProgrammingAlgorithmareTIdesignedbythefulladvantageoftheVC++andtheadvantagesofMATLABwithMixed-LanguageProgramming．ThiswayCanimprove

8、theprogrammingefficiencyandachievingsatisfactoryresults．Inordertotestandrecordtherelevantparametersofdata,thedevelopmentofthedatabasetechnologyha