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毕业设计(论文)外文翻译专业：电气工程及其自动化姓名：班级：学号：指导教师:职称：2012年5月外文翻译1InfraredRemoteAndChipsAreIntroducedPeople'seyescanseethevisiblewavelengthfromlongtoshortaccordingtothearrangement,inordertored,orange,yellow,green,green,blue,violet.Oneoftheredwavelengthsfor0.62~0.76mount,Purpleis0.38wavelengthrange~mount.Purpleisshorterthanthewavelengthoflightcalledultravioletray,redwavelengthsoflightislongerthanthatofinfraredlight.Infraredremotecontrolistousewavelengthfor0.76~1.5mountbetweenthenearinfraredtotransfercontrolsignal.Commonlyusedinfraredremotecontrolsystemofgeneralpointstransmitandreceivetwoparts.Themaincomponentpartforthelaunchofinfraredlightemittingdiode.Itisactuallyaspeciallightemittingdiode,duetoitsinternalmaterialdiffersfromordinarylightemittingdiode,resultinginitsendsoncertainvoltage,itisaratherinfraredlight.Useofinfraredlightemittingdiodetheinfraredwavelengths,for940nmappearanceandordinary,justthesamelightemittingdiodefivedifferentcolors.Infraredlightemittingdiodegenerallyhaveblackandblue,transparentthreecolors.Judgmentofinfraredlightemittingdiodeandjudgmentmethod,usingamillimetertoordinarydiodeelectricblockmeasureofinfraredlightemittingdiode,reverseresistance.Theinfraredlightemittingdiodeluminescenceefficiencytousespecialinstrumenttomeasureprecise,anduseonlyspareconditionstopullawayfromroughlyjudgment.Receivingpartofinfraredreceivingtubeisaphotosensitivediode.Inactualapplicationofitreceivingdiodetoreversebias,it外文翻译2canworknormally,i.e.,theinfraredreceivingcircuitapplicationindiodeisusedtoreverse,highersensitivity.Infraredreceivingdiodeusuallyhavetworoundandrectangular.Duetothepowerofinfraredlightemittingdiode(orlesscommonly100mW),soirreceivingdiodereceivedsignalsisweak,sowillincreasehigh-gainones.theamplifiercircuit.IncommonCX20106A,etc.PC1373Hmooninfraredreceivingspecialamplifiercircuit.Inrecentyearsbothamateurorformalproducts,mostlyusinginfraredreceivingheadfinished.Theheadofinfraredreceivingproductpackagesgenerallyhastwokinds:onekindUSESsheetshielding,Akindofplasticpackaging.Therearethreepin,namelythepoweris(VDD),powernegative(GND)anddataoutput(VOorOUT).Infraredreceivingheadfootarrangementfortypesvaried,manufacturer'sinstructions.Finishedtheadvantagesofinfraredreceivingheadisnotinneedofsophisticateddebuggingandshellscreen,useriseasatransistor,veryconvenient.Butwhenusedintheinfraredreceivingattentionfinishedfirstcarrierfrequency.Infraredremotecommoncarrierfrequencyfor38kHz,thisistransmittedbyusing455kHzTaoZhentodecide.Atthelaunchofcrystalswereintegerfrequency,frequencycoefficients,socommonly12,so455kHz÷12hundredthkHz38kHzhundredth379,000.Someremotecontrolsystemadopts36kHz,56kHz,etc.general40kHzlaunchedbythecrystalsofoscillationfrequencytodecide.Infraredremotecharacteristicisnotinfluencethesurroundingenvironmentanddoesnotinterferewithotherelectricequipment.外文翻译3Duetoitscannotpenetratewalls,sotheroomcanusecommonhouseholdapplianceofremotecontrolwithoutmutualinterference,Circuittestingissimple,aslongasgivencircuitconnection,generallydoesnotneedanycommissioningcanwork,Decodingeasily,canundertakemultipleremotecontrol.Becauseeachmanufacturerproducesagreatdealofinfraredremoteapplication-specificintegratedcircuit,whenneedpressdiagramsojip.Therefore,theinfraredremotenowinhouseholdappliances,indoorclose(lessthan10meters)intheremotecontroliswidelyused.Multipleinfraredremotecontrolsystemofinfraredemissioncontrolbuttons,therearemanypartsgeneralrepresentativeofdifferentcontrolfunction.Whenpressedabutton,correspondinglyinthereceiverwithdifferentoutput.Receivingtheoutputstatecanberoughlydividedintopulse,level,self-lockingandinterlock,datafiveforms.Thepulseoutputisaccordingtolaunchwhenthebutton,thereceiveroutputterminalsoutputcorrespondingeffective,apulsewidth100msingeneral.Levelreferstotheoutputlaunchpressbutton,thereceiveroutputcorrespondingoutputlevel,effectivetransmittoloosenthereceiverleveldisappears.Thiseffectivepulseandeffective,maybeofhighlevelislow,andmayalsodependontheoutputcorrespondingstaticstate,suchasfeetforlow,statichighforeffective,Asforthestatic,lowhigheffective.Inmostcases,highforeffective.Sincethelockreferstolaunchtheoutputofeachtimeyoupressthebutton,areceiveroutputcorrespondingchange,namelyoriginallyastateforhighlevelinto外文翻译4alowlevel,originallyforlowlevelintohighlevel.Theoutputpowerswitchandmuteascontroletc.Sometimesalsocalledtheoutputformforinvert.Theinterlockreferstomultipleoutputseachoutput,atthesametimeonlyoneoutput.TheTVsetsofthiscaseisselected,theotherislikethelightandsoundinputspeed,etc.Datareferstolaunchtheoutputsomekey,useafewoutputformabinarynumber,torepresentdifferentkeystroke.Normally,thereceiverexceptafewdataoutput,butalsoavalidoutputdata,sothetimelytocollectdata.Thisoutputformwithsingle-chipmicrocomputerorarecommonlyusedinterface.Inadditiontotheaboveoutputformoutside,stillhavealatchandtemporarytwoforms.Theso-calledlatchreferstolaunchtheoutputsignalofeachhair,thereceiveroutputcorresponding,newstoreuntilyoureceivesignals.Temporaryoutputandtheintroductionofleveloutputissimilar.Remotedistance(RemoteC