红外遥控系统-毕业论文外文翻译文档格式.docx
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红外遥控系统-毕业论文外文翻译文档格式.docx
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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
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