资源描述：
《外文文献-数字信号处理器简介》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、IntroductiontoDigitalSignalProcessingSignalanddigitalsignalprocessingasabranchofinformationprocessing,hasinfiltratedintothescientificresearch,technologicaldevelopment,industrialproduction,nationaldefenseandnationaleconomyinvariousfieldshasachievedfruitfulresults.Ofthesignalintimed
2、omainandtransformdomainanalysisofthecharacteristics,processing,enableustothenatureofthesignalfeaturesandamoreclearawarenessandunderstandingofthesignalsneedtogetourformofinformationofusetoimprovetheextent,theninabroaderandhigherleveltheaccesstoinformation.DSPchip,alsoknownasdigital
3、signalprocessors,isparticularlysuitablefordigitalsignalprocessingmicroprocessor.TheemergenceanddevelopmentofDSPchips,digitalsignalprocessingtechnologyfortheimprovementofmanyofthenewsystem,thenewalgorithmcameintobeing,theapplicationfieldisexpanding.Currently,DSPchipshavebeenwidelyu
4、sedincommunications,automation,aerospace,military,medicalandotherfields.Digitalsignalprocessingisthatthesignaltodigitalformanddealwiththetheoryandtechnology.Digitalsignalprocessingandanalogsignalprocessingisasubsetofsignalprocessing.Thepurposeofdigitalsignalprocessingisacontinuous
5、real-worldanalogsignalstomeasureorfilter.Thereforeneededbeforecarryingoutdigitalsignalprocessingthesignalfromtheanalogdomainintothedigitaldomain,thisisusuallyachievedthroughtheADC.Thedigitalsignalprocessingoftenhavetotransformtheoutputtotheanalogdomain,whichisachievedthroughtheDAC
6、.ThecoredigitalsignalprocessingalgorithmisthediscreteFouriertransform(DFT),istheDFTtothesignalinthedigitaldomainandfrequencydomainarerealizeddiscrete,general-purposecomputerwhichcanhandlediscretesignal.ErShidigitalsignalprocessingtheorytopracticalfromthefastFouriertransform(FFT),F
7、FThassignificantlyreducedtheDFTcomputationtomakereal-timedigitalsignalprocessingaspossible,greatlypromotethedevelopmentofthediscipline.Theadvantagesofdigitalsignalprocessingsystemasfollows:1.Goodflexibility:whentheprocessingmethodandparameterschange,theprocessingsystemsimplybychan
8、gingthesoftwaredesigntomeettheapp
