红外遥控系统-毕业论文外文翻译.docx

红外遥控系统-毕业论文外文翻译.docx

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成都信息工程学院通信工程学院

本科毕业论文设计

英文→中文翻译

论文题目

红外光通信系统设计

姓名

专业

通信工程

班级

学号

指导教师

日期

2014年02月27日

英文原件内容

IntroductionInfraredremotecontrolsystemismainlycomposedbytheremotecontroltransmitter,integratedreceiverhead,microcontroller,interfacecircuitshowninFigure1.Theremotecontrolisusedtogeneratetheremoteencoderpulsedriveinfraredemissioncontroloutputoftheinfraredremotecontrolsignal,theremotecontrolreceiverontheremotecontrolsignalamplification,detection,shaping,demodulationremoteencoderpulse.Theremotecontrolencoderpulseisaserialbinarycodefortheinfraredremotecontrolsystem,theserialcodeinputtothemicrocontroller,itsinternalCPUinstructiondecodeontheremotecontrol,andperformremotecontrolfunctions.Usingtheremotecontrolastheinputofthecontrolsystem,weneedtoaddressthefollowingkeyquestions:

howtoreceivetheinfraredremotecontrolsignal;howtoidentifytheinfraredremotecontrolsignal,anddecodingsoftwaredesign,designofcontrolprocedures.

SCMhistorySCMwasbornin1971,hasgonethroughthreemajorphasesoftheSCM,theMCUSoC.Itconsistsofcomputingdevice,controller,memory,inputoutputdevices.Itsfullnameisasingle-chipmicrocomputer,istypicalofembeddedmicro-controller（MicrocontrollerUnit）,thecommonlyusedlettersoftheabbreviationMCUsingle-chip,anditwasfirstusedinthefieldofindustrialcontrol.Mastermicrocontrollertechnologytoenablemorepeopleintheindustry,students,enthusiasts,productdevelopers,thequestionaroseduetotheextensiveapplicationofSCMinthefieldofindustrialcontrol,microcontrollerdevelopmentboard,themorefamoussuchase-DZR-01Amicrocontrollerdevelopmentboard.MicrocontrollerchipdedicatedprocessordevelopedfromtheCPU.ThefirstdesignconceptbyalargenumberofperipheralsandCPUintegratedinasinglechip,thecomputersystemissmaller,moreeasilyintegratedintocomplexandrequirestrictcontrolequipmentonthevolume.Single-chip,alsoknownassingle-chipmicrocontroller,itisnotthecompletionofalogicalfunctionofthechip,butacomputersystemintegratedontoonechip.Equivalenttoamini-computerandcomputer,microcontrolleronlythelackofI/Odevices.SCMrelyontheprogramisrunning,andcanbemodified.Differentfunctionsthroughdifferentprograms,especiallythespecialuniquefunction,whichistheotherdevicesrequiremuchefforttodo,whileothersmakegreateffortsitisdifficulttodo.Anotverycomplexfunctionsusingpurehardwaretogetthewordsofthe1950sdeveloped74series,or60duringtheCD4000series,thecircuitmustbeabigPCBboard!

IfsuccessfulonthemarketintheUnitedStatesinthe1970sseriesofmicrocontrollers,theresultwillbedifferent!

JustbecauseaprogramwrittenbytheMCUthroughyoucanachievehighintelligence,highefficiencyandhighreliability!

Microcontrollerforcostsensitive,soaccountingforthedominanceofthesoftwareorthelowestlevelassemblylanguage,whichisthelowestlevelthanbinarymachinecodelanguage,sincesuchlow-levelwhyuseit?

Alotofhigh-levellanguagehasreachedalevelofvisualprogramming,whynot?

Thereasonissimple,isthemicrocontrollerdoesnothaveahomecomputerastheCPU,alsonotashardasmassstoragedevices.Avisualhigh-levellanguagetowritesmallprogramsinsideevenifthereisonlyonebutton,willreachtensofKofsize!

NothingintermsofhomePC'sharddrive,butforSCMintermsofisnotacceptable.SCMintheutilizationofhardwareresourcesmustbehigh,sothecompilationoftheoriginalwhilestillinheavyuse.Thesamereason,ifthecomputergiant'soperatingsystemandapplicationsoftwaretogethomePCrunuptothehomePCcannotafford.

Itcanbesaidthatthetwentiethcenturyacrossthethree"power"eraoftheelectricalera,theelectronicageandhasnowenteredthecomputerage.However,suchacomputer,usuallyreferstoapersonalcomputer,orPC.Itisbythehost,keyboard,monitor,andsoon.Anothertypeofcomputer,nothowmostpeoplearefamiliarwith.Thiscomputerissmarttogiveavarietyofmechanicalmicrocontroller（alsoknownasmicro-controller）.Thenamesuggests,thesmallestofthiscomputersystemusingonlyoneICtomakeasimplecalculationandcontrol.Becauseofitssmall,usuallyhiddeninacontrolledmechanical"stomach".Throughoutthedevice,itplaysliketheroleofthehumanmind,itiswrong,theentiredevicewasparalyzed.Now,thissinglechipfieldofusehasaverywide,suchassmartmeters,real-timeindustrialcontrol,communicationsequipment,navigationsystems,homeappliancesandsoon.AvarietyofproductsusingtheSCM,youcanplaytheeffectofproductupgrades,oftenprecededbyanadjectiveinfrontoftheproductname-"smart",suchassmartwashingmachines.Somefactoriesorotheramateurelectronicsdeveloper