離散小波變換的硬件架構研究及其芯片實現(xiàn).pdf

1、上海大學碩士學位論文離散小波變換的硬件架構研究及其芯片實現(xiàn)姓名：顧文軍申請學位級別：碩士專業(yè)：電力電子與電力傳動指導教師：冉峰20040201AbstractThewavelettransformhasbeenofgreatimportantuseinsignalprosessing，communicationandsuchengineeringfieldsforitsspecialtyofrepresentationforlocalf

2、eaturesofsignalbetweentime—frequencyButbecauseoftheirintrinsicalargeamountofcomputationsandcomplexdatadependency，itisdifficulttoimplementthemwithhardware，Severalcurrentsolutionsofhardwarerealizationandchipdesignofwavelet

3、transformareunderresearchanddevelopment，SOitsalongtermgoalandshouldbemakegreateffortsinthefieldsofsignalprocessing，mathematics，andICdesignthathowtOmakewavelettheoryintotheapplicationoftechnologyandengineeringfieldsanddes

4、ignrelevantrealtimedisposalchipsConsideredinpracticalapplication，thebasictheoryoflinkbetweentechnology，engineeringandwavelettransformisresearchedinthispaper，andthematlabarithmeticoffastdiscretewavelettransformhasbeenimpr

5、oved；thehardwarearchitectureofdiscretewavelettransformisresearchedandrelevantchipisdesigned，finally，ithasbeenverifiedthroughsimulationonFPGAInthisdissertation，fromthepreconditionofitsapplicationsinreal—timesignalprocessi

6、ng，weultimatelyconfirmtheirframe—partitionedhardwarearchitecturescheme，whichistheoreticallybasedonthewaveletpackettransformtheoryandaccordingtothesystemdesignfeatureobjectiveofrealtime，universal，parameterizedandone—chipf

7、easibleInthedesignoftheprocessoratwo—bufferstructurememorysystemisadoptedtomeattherealtimerequestoftheoutsidesystemAndwebringforwardakindofmemory—optimizationtechniquel。lthesarlleaddressoperationthroughthestudyontheinter

8、iordata’Sregulation，whichdecreasesthesizeofthememoryandraisesthehardwareutilityefficiencyWhat’Smore，inthedesignoftheoperationunit，theusingoffour—stagepipelineincreasesthedataprocessingabilityofthesystemandismorepropitiou