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ID:36399696
大小:10.72 MB
页数:84页
时间:2019-05-10
《基于软件无线电的信号处理方法研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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
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