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外文翻译--语音电子密码锁的设计.doc外文翻译--语音电子密码锁的设计.doc -- 5 元

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1毕业设计外文翻译VoiceofElectronicPasswordlockDesign语音电子密码锁的设计本科电气与信息学院2008年5月15日学生姓名学历层次所在院系所学专业指导教师教师职称完成时间2VoiceofElectronicPasswordlockDesignRIV9.PCW0RLD.COM/JUNE2006AbstractThedesignistheuseofvoicerecognitiontechnologyandkeyboardinput,SunplusSPCE061ASCMinachievingavoiceelectronicpasswordlockauthenticationsystem.Voicerecognitionandelectronicpasswordlockfunctionoftheordinarylocks,anddualroleofsecurity.Thepasswordlocksafe,effective,reliable,butalsohasvoicerecognition,passwordPreferences,confidentialitystrong,tipsandotherfeaturesoferror.KeywordsSPCE061Avoicerecognition,electronicpasswordlockFLASH1IntroductionAspeopleslivingstandardsimproveandstrengthenthesenseofsecurity,safetylockssystembecomesessential,thereforeapasswordlock,magneticlocks,electroniclocks,laserlock,voiceactivatedlocklocks,etc.,theyareOnthebasisoftraditionalkeys,usingoneormorepasswords,differentvoices,differentmagneticfield,differentsound,differentlightbeamsofdifferentimagessuchasfingerprints,retinaretina,etc.tocontrolopenthelock.Inthispaper,usingspeechrecognitiontechnologyandkeyboardtocontroltheimportationoftheintegrationofSCMinSunplusSPCE061Aachieveavoiceontheelectroniccertificationsystempasswordlock.2voiceelectronicpasswordlocksystemThissystemismainlycomposedofSunplusSPCE061ASCM,MICinputcircuit,voiceoutputcircuit,44keyboard,sixQiduanLEDdisplayandoutputcontrolandFLASHmemorycomponents.Systemisthemainfunctionthetraining,thespeakersvoicethroughamicrophoneintothespeakervoicesignalacquisitionfrontendcircuit,byvoicesignalprocessingcircuitontheacquisitionofthecharacteristicsofvoicesignalsandvoiceprocessing,fromthespeakerspersonalitycharacteristicsandparametersStore,aspeakerparametersdatabase.Inrecognition,willbevoicerecognitionandspeakerparametersdatabasematching,voicerecognitionandcompletecontrolofthekeyboard,andactivateorreleaseoflocks,thefinalcompletionofthelock.SystemisrelyingonhardwareandsoftwaretocloselycooperatewiththeSunplusSPCE061ASCMflexiblecontrolachieved.3Voiceentryduetotheinterferenceofexternalenvironment,itispossibleerrors,butthroughanumberoftrainingcanmakecomparisonandidentificationofvoicegreatlyimproved3systemhardwaredesignThesystemusingasinglekernelofSunplusSPCE061A,thechiphasADC,DAC,timer/counter,RAM,FLASH,andotherdevices,coupledwithappropriateexternalcircuitandsupportingSunpluscompanysintegrateddevelopmentenvironment,Caneasilycompletethedesignofhardwareandsoftwareprogramming,thusachievingtheabovementionedfunctions.Voiceelectroniccodelocksystemisthecoreofspeechrecognitionmodule.SPCE061AisSunplushasdevelopedaveryhighpriceofthe16bitmicrocontroller,embedded2KwordofSRAMand32KwordFLASH,with32programmablemultipurposeI/Oportsinclude7Channel1OGeneralA/Dconverter,builtinmicrophoneamplifier,AGCAGCfunctionofthesinglevoiceofA/Dconverter,andtheaudiooutputofthedualchannel1ObitD/Aconverterinthe2.6V3.6Voperatingrangeoffrequencyrangeof0.32MHz49.152Mhz,highprocessingspeedenableittoeasilyandquicklyhandlecomplexdigitalsignalsuspensionsystemtosupport1OinterruptvectorAndl4fromthesystemcanbeaclock,timer/counter,timebenchmarkgenerator,externalinterrupt,keywakeupcall,UniversalAsynchronousserialcommunicationandsoftwareinterruptioninterruptsource,VerysuitableforrealtimeapplicationsunSPTMcommandsystemalsoprovideshighcomputingspeedof1616bitmultiplicationinstructionsanddirectiveswithintheplotoperation,theDSPfortheapplicationofadditionalfeaturesinacomplexdigitalsignalprocessingbothVeryconvenientthantheDSPchipformuchcheaper.3.1voiceinputcircuitSPCE061Abuiltin8channel1ObitA/Dconverter,whichwillbesevenchannelsforanalogsignalssuchasvoltagesignalconvertedtodigitalsignals,achannelusedonlyforvoiceinput,throughthebuiltinautomaticgaincontrolamplifierThemicrophonechannelsMICINinput.Therefore,itcanbedirectlygiventothevoicesignalinputchannels,thecompletionof8kHzvoicesignalsinthecollection,encodingandstoragetooffchipFLASH,simplifyingthecircuitdesign.43.2audiooutputcircuitSunplusSPCE061AMCUwithaudiooutputofdualchannel1ObitD/Aconverterscancompleteusertraining,identificationofvariousoperations,suchasthevoiceprompts.SPCE061AprovideaudioloseAwayforthedualchannelDAC,inthismanner,DAC1andDAC2conversionofanalogcurrentoutputsignalpassedAUD1andAUD2pinoutput,enterthenumberofvolumeintothePDAC1write0x7017andPDAC2write0x7016unit.3.3sixQiduandisplayofdigitalcircuitsLEDdisplaysineachLEDthrough520mAcurrenttoachievethenormalbrightness,andtheIOISPCEO61Aoutputcurrentupto5mA,donothavetodrivecircuittoreachnormalbrightness.Inordertomeetthereliabilityofsystemsdesign,drivenbyatransistorcircuit.Thewholeprocessshowedthattheuseofdynamic,thatis,sixmonitorseachcycle,eachsustainedlmsor10mscycleagain,canalsobeappropriatetomakechanges,buttherefreshratenotlessthan30persecond,sothattemporarystaybecauseofthevisualphenomenon,IssixQiduanseetheLEDdisplayatthesametimeshow.3.4MatrixkeyboardscancircuitEnterkeypartofatotalofthenumberkeys,passwords,keysset,thekeyshownpassword,toconfirmremovalofkeysandpasswords,andotherkey16keys,enteryourpasswordandfortherealizationoffunctionkeys.ThisdesignusesawakeupfunctionkeysoftheIOloweightIOA0IOA7to44asthecontrolinputofthekeyboard,whichcanberationaluseofhardwareresourcesandprogrammingflexibility.RecognitionkeyboardkeysarepressedwhetherthemethodisLetalloutlinesarelow,checkthetrafficonwhetherthereisahighlevel,ifthereisastatementthatakeyispressed,ifnot,thennokeysarepressedActualprogrammingkeysshouldbetakenintoaccounttheimpactofjitter,usuallyalwaysusethesoftwaredelayprocessingmethodsConsumersbuffeting.Identifyspecifickeysusedscanningmethodhomebyzeroleveloutandcheckthelevelofthecarriagewayofthechanges,ifalinefromthelowlevelintoahigh,thistripcanbesurethiscolumncrosspointButtonispressed.3.5FLASHexpansionofexternalcircuitSPCEO61AFLASHmemorychipofonly32K,largenumberofplayersinthe
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