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

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