电气工程及其自动化专业红外遥控系统大学毕业论文外文文献翻译及原文Word格式文档下载.docx
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外文文献翻译
文献、资料中文题目:
红外遥控系统
文献、资料英文题目:
InfraredRemoteControlSystem
文献、资料来源:
文献、资料发表(出版)日期:
院(部):
专业:
电气工程及其自动化
班级:
姓名:
学号:
指导教师:
翻译日期:
2017.02.14
Abstract
Redoutsidedatacorrespondencethetechniquebecurrentlywithinthescopeofworlddriveextensiveusageofakindofwirelessconjunctiontechnique,drivenumeroushardwareandsoftwareplatformsupport.Redoutsidethetransceiverproducthavecostlow,smallscaledturn,thebaudratebequick,pointtopointSSL,befreefromelectromagnetismthousandRaosetc.characteristics,canrealizationinformationatdissimilarityoftheproductfast,convenience,safelyexchangeandtransmission,atshortdistancewirelessdeliveraspecttoownveryobviousofadvantage.Alongwithredoutsidethedatadeliveratechniquemoreandmoremature,thecostdescend,redoutsidethetransceivernecessarilywillgetattheshortdistancecommunicationrealmmoreextensiveofapplication.
Thepurposethatdesignthissystemistransmitcustomer’soperationinformationwithinfraredraysfortransmitmedia,thendemodulateoriginalsignalwithreceivecircuit.Itusecodingchiptomodulatesignalandusedecodingchiptodemodulatesignal.ThecodingchipisPT2262anddecodingchipisPT2272.BothchipsaremadeinTaiwan.MainworkprincipleisthatweprovidetoinputtheinformationforthePT2262withcodingkeyboard.TheinputinformationwascodedbyPT2262andloadingtohighfrequentloadwavewhosefrequentis38kHz,thenmodulateinfraredtransmitdioxideandradiatespaceoutsidewhenitattianenoughpower.Thereceivecircuitreceivethesignalanddemodulateoriginalinformation.TheoriginalsignalwasdecodedbyPT2272,soastodrivesomecircuittoaccomplishcustomer’soperationdemand.
Keywords:
Infrareddray;
Code;
Decoding;
LM386;
Redoutsidetransceiver
1Introduction
1.1researchthebackgroundandsignificance
InfraredDataCommunicationTechnologyistheworldwideuseofawirelessconnectiontechnology,bythemanyhardwareandsoftwareplatformssupported.Isadatathroughelectricalpulsesandinfraredopticalpulseswitchbetweenthewirelessdatatransceivertechnology.
Infraredtransceiverproductswithlowcost,small,fasttransmissionrate,thepoint-to-pointtransmissionsecurity,notsubjecttoelectromagneticinterferenceandothercharacteristicsthatcanbeachievedbetweenthedifferentproducts,rapid,convenientandsafeexchangeandtransmission,Inshortdistancewirelesstransmissionhaveaverydistinctadvantage.
Infraredtransceiverproductsintheportableproductofagreatrole.Atpresent,theworld'
s150millionpieceofequipmentusedinfraredtechnologyinelectronicproductsandindustrialequipment.medicalequipmentandotherfieldswidelyused.Forexample,95%ofthenotebookcomputersontheinstallationofinfraredtransceiverinterfacethemajorityofthecellphoneisalsotheallocationofinfraredtransceiverinterface.Withtheexchangeofquantitativedata,infrareddatacommunicationswillenablecellphonedatatransmissionmoreconvenient.Withinfrareddatatransmissiontechnologymatures,perfect,lowcosts,InfraredTransceiverinshortdistancecommunicationswillbemorewidelyapplied.
ThischapterfirstdescribestheinfraredtransceiverICdesignissuestothebackgroundandsignificance.thenbriefedtheinfrareddatacommunicationstechnologyfeaturesandapplications,andinfraredtransceiverproductcharacteristics,domesticandinternationalsituationanddevelopmenttrendofthelastunderinfraredremotetransceiversysteminpracticalapplicationtoestablishataskofdesignorientation.
1.2InfraredRemoteControlTransceiverSystem
Infraredremotecontrolsystemisdividedintosingle-channelandmulti-channelremotecontrol.Onlyacommandsignaltransmissionchannel,calledsingle-channelremotecontrolsystem;
withmorethantwoinstructionssignaltransmissionchannelknownasamulti-channelremotecontrolsystem.Relativelysimplesingle-channelremotecontrol,ingeneral,onlyalauncherdirectiveKeyreceiversandonlyonecircuitimplementation.Whileinthereceivingcircuittoaddmorestablememorycircuitsthatcanbeactivatedcommandstolaunchanumberofkey,sothatthereceivercircuitmultistablememorycircuitrepeatedlytochangethestate,torealizemanyofthefunctionalcontrol,Butsuchastateofchangeistheorder.Ifwearetoachieveanarbitrarycontrol,resorttotheuseofmulti-channelremotecontrolsystem.Multi-channelremotecontrolcanberealizedbytheobjectofarbitrarymulti-functionremotecontrol.Asforthechoiceofseveralroutesandwhatcontrolmethods,accordingtotheactualsituation(suchasobject,operationalrequirementsandcostaccounting,etc.)todecide.G