完整信息与计算科学外文翻译Word格式文档下载.docx

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系别信息与计算科学系

专业电子信息科学与技术

班级

姓名

指导教师

2011年3月09日

VoiceofElectronicPassword-lockDesign

1overview

Aspeople'

slivingstandardsimproveandstrengthenthesenseofsecurity,safetylockssystembecomesessential.Manyelectronicintelligencelock（fingerprintidentification,ICidentify）athomeandabroadhavealreadyappeared.Butthesecharacteristicsoftheproductsforaparticularfingerprintsandeffectivecard,onlyapplicablerequirementsofbox,arktotilttowardsecrecyfromaparochialview,doortowait.Andifthegeneralreaderfingerprintpublicuseexistingeasymechanicaldamage,ICcardstillexisteasilylost,damaged,etc.Plusitscostishigher,inthecertainextentlimitstheproductstothepopularizationandpromotion.

Thenappearedcombinationlockmagneticlock,electroniclocks,laserlock,soniclocketclocks,theyarethetraditionalkeysinthefoundation,USESoneormoregrouppassword,differentsoundsdifferentmagneticfield,differentsoundwaves,differentbeamwaves,differentimage（suchasfingerprints,fundusretinaletc.）tocontrolthelockopen.Thispaperadoptsthespeechrecognitiontechnologyandkeyboardcontrolinputcombination,inCygnalSPCE061Athesingleboardcomputertorealizeaspeechelectroniccombinationlockauthenticationsystem.

Thedesignistheuseofvoicerecognitiontechnologyandkeyboardinput,SunplusSPCE061ASCMinachievingavoiceelectronicpasswordlockauthenticationsystem.Voicerecognitionandelectronicpasswordlockfunctionoftheordinarylocks,anddualroleofsecurity.Thepasswordlocksafe,effective,reliable,butalsohasvoicerecognition,passwordPreferences,confidentialitystrong,tipsandotherfeaturesoferror.

2speechelectroniccombinationlocksystemfunction

ThissystemismainlycomposedofSunplusSPCE061ASCM,MICinputcircuit,voiceoutputcircuit,4×

4keyboard,sixQiduanLEDdisplayandoutputcontrolandFLASHmemorycomponents.Systemisthemainfunction:

thetraining,thespeaker'

svoicethroughamicrophoneintothespeakervoicesignalacquisitionfront-endcircuit,byvoicesignalprocessingcircuitontheacquisitionofthecharacteristicsofvoicesignalsandvoiceprocessing,fromthespeaker'

spersonalitycharacteristicsandparametersStore,aspeakerparametersdatabase.Inrecognition,willbevoicerecognitionandspeakerparametersdatabasematching,voicerecognitionandcompletecontrolofthekeyboard,andactivateorreleaseoflocks,thefinalcompletionofthelock.SystemisrelyingonhardwareandsoftwaretocloselycooperatewiththeSunplusSPCE061ASCMflexiblecontrolachieved.

Voiceentryduetotheinterferenceofexternalenvironment,itispossibleerrors,butthroughanumberoftrainingcanmakecomparisonandidentificationofvoicegreatlyimproved.

3Thesystemhardwaredesign

ThesystemusingasinglekernelofSunplusSPCE061A,thechiphasADC,DAC,timer/counter,RAM,FLASH,andotherdevices,coupledwithappropriateexternalcircuitandsupportingSunpluscompany'

sintegrateddevelopmentenvironment,Caneasilycompletethedesignofhardwareandsoftwareprogramming,thusachievingtheabove-mentionedfunctions.Voiceelectroniccodelocksystemisthecoreofspeechrecognitionmodule.

SPCE061AisSunplushasdevelopedaveryhighpriceofthe16-bitmicrocontroller,embedded2KwordofSRAMand32KwordFLASH,with32programmablemulti-purposeI/Oportsinclude7Channel1O-GeneralA/Dconverter,built-inmicrophoneamplifier,AGCAGCfunctionofthesinglevoiceofA/Dconverter,andtheaudiooutputofthedual-channel1O-bitD/Aconverterinthe2.6V~-3.6Voperatingrangeoffrequencyrangeof0.32MHz~-49.152Mhz,highprocessingspeedenableittoeasilyandquicklyhandlecomplexdigitalsignal;

suspensionsystemtosupport1OinterruptvectorAndl4fromthesystemcanbeaclock,timer/counter,timebenchmarkgenerator,externalinterrupt,keywake-upcall,UniversalAsynchronousserialcommunicationandsoftwareinterruptioninterruptsource,Verysuitableforreal-timeapplications;

u'

nSPTMcommandsystemalsoprovideshighcomputingspeedof16×

16-bitmultiplicationinstructionsanddirectiveswithintheplotoperation,theDSPfortheapplicationofadditionalfeaturesinacomplexdigitalsignalprocessingbothVeryconvenientthantheDSPchipformuchcheaper.

4workingprinciple

SPCE061Abuilt-in8-channel1O-bitA/Dconverter,whichwillbesevenchannelsforanalogsignals（suchasvoltagesignal）convertedtodigitalsignals,achannelusedonlyforvoiceinput,throughthebuilt-inautomaticgaincontrolamplifierThemicrophonechannels（MIC-IN）input.Therefore,itcanbedirectlygiventothevoicesignalinputchannels,thecompletionof8kHzvoicesignalsinthecollection,encodingandstoragetooff-chipFLASH,simplifyingthecircuitdesign.

SunplusSPCE061AMCUwithaudiooutputofdual-channel1O-bitD/Aconverterscancompleteusertraining,identificationofvariousoperations,suchasthevoiceprompts.SPCE061Aprovideaudiolose

Awayforthedual-channelDAC,inthismanner,DAC1andDAC2conversionofanalogcurrentoutputsignalpassedAUD1andAUD2-pinoutput,enterthenumberofvolumeintotheP-DAC1（write）（0x7017）andP-DAC2（write）（0x7016）unit.

LEDdisplaysineachLEDthrough5~20mAcurrenttoachievethenormalbrightness,andtheIOISPCEO61Aoutputcurrentupto5mA,donothavetodrivecircuittoreachnormalbrightness.Inordertomeetthereliabilityofsystemsdesign,drivenbyatransistorcircuit.Thewholeprocessshowedthattheuseofdynamic,thatis,sixmonitorseachcycle,eachsustainedlmsor10mscycleagain,canalsobeappropriatetomakechanges,buttherefreshratenotlessthan30persecond,sothattemporarystaybecauseofthevisualphenomenon,IssixQiduanseetheLEDdisplayatthesametimeshow.

Enterkeypartofatotalofthenumberkeys,passwords,keysset,thekeyshownpassword,toconfirmremovalofkeysandpasswords,andotherkey16keys,enteryourpasswordandfortherealizationoffunctionkeys.Thisdesignusesawake-upfunctionkeysoftheIOloweightIOA0-~IOA7to4×

4asthecontrolinputofthekeyboard,whichcanberationaluseofhardwareresourcesandprogrammingflexibility.Recognitionkeyboardkeysarepressedwhetherthemethodis:

Letalloutlinesarelow,checkthetrafficonwhetherthereisahigh-level,ifthereisastatementthatakeyispressed,ifnot,thennokeysarepressed（Actualprogrammingkeysshouldbetakenintoaccounttheimpactofjitter,usuallyalwaysusethesoftwaredelayprocessingmethodsConsumersbuffeting）.Identifyspecifickeysusedscanningmethod:

home-by-zeroleveloutandcheckthelevelofthecarriagewayofthechanges,ifalinefromthelowlevelintoahigh,thistripcanbesurethiscolumncross-pointButtonispressed.

SPCEO61AFLASHmemorychipofonly32K,largenumberofplayersinthevoiceofresourcesneedsofexpandingmemory.ThedesignSunplusTechnology,Inc.,SPR4096asamemoryexpansion,combinedwithSPCE061Abroadcastvoice.SPR4096inuse,theuseofSPR4096ResWritertoreadandwriteoperation,usedtostorethespeaker'

spersonalityparametersreferencetemplate.

SCMSPCE061Acompleteidentificationanddisplay,thedrivetorealizetheimplementationoftheelectromagneticlockfunction,andtodetectitsdrivecurrentvalue,toreceivealarmsignalssentbysensors,suchassendingdata.SCMreceivethetypecode,andstoredinFLASHinthepassword,ifthecorrectpassword,thedrivefortheimplementationoftheelectromagneticlock,ifyourpasswordisnotcorrect,allowingoperatorstore-enteryourpassword,canenteruptothreeIfthethreearenotcorrect,theMCUthroughintelligentcommunicationlinestomonitorthepolice.SCMwillunlockoperationandeachtimetheelectromagneticactuatordrivecurrentvalueasastatusinformationsenttothesmartmonitor,willreceivethereportfromthesensorinterfaceinformationisalsosenttotheintelligentmonitoring,assmartAnalysisofthebasis.Inthetransmitter,electroniclocksthroughthepulsetransformerTwillmodulationgoodboostafterdatasignalssentoutinthereceiver,pulsetransformerTwillreceivethedatasignaldemodulatorbuckevacuationtoreducethecarriersignaltransmissionIntheprocessofwearandtear.Inordertoreducecommunicationandmutualinterferencebetweenthepowersupply,chokesL,thechoiceofcouplingcapacitanceCtocomprehensiveconsiderations,showninFigure4,acarrierfrequencyf0-400kHz,inordertoensurethatmostoftheenergytransmissionsignaltothereceiverDuan,Lfora33.7H,C1-0.047~F.

Currentsurveillancefunctionistopreventthedestructionofcommunicationlinesandelectromagneticactuator,forsomereasontheflowofelectromagneticcoilcurrentstoolargeburningcoil.CurrentMonitorbyMAXIMcompany'

scurrent/voltageconverterchipMAX471.ThechipcanbemeasuredcurrentIintopairstotheoutputvoltageU,andismeasuredWai,highprecision,andUoutputvoltageproportionaltothemeasuredcurrentIcharacteristics.CurrentmonitoroutputvoltageserviceA/Dconverter,readthroughthesingleA/Dconverterresultsinthecurrentlinewasinformedofthesituation,throughthetimelydetectionofabnormal,issueditsreport.

SPCE061AthedevelopmentofonlinedebuggerPROBEToachieve.Itusesabuilt-inonlineSPCE061CircuitSimulationICE（In-CircuitEmulator）andSunplus'

sonlineseriesLineprogramming.PROBEcanworkinSunplusIDEIntegratedDevelopmentEnvironmentalsoftwarenSP（tm）,withediting,compile,link,debugandsimulationcapabilities.