资源描述:
《毕业论文外文翻译-红外遥控系统》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、InfraredRemoteControlSystemAbstractRedoutsidedatacorrespondencethetechniquebecurrentlywithinthescopeofworlddriveextensiveusageofakindofwirelessconjunctiontechnique,drivenumeroushardwareandsoftwareplatformsupport.Redoutsidethetransceiverproducthavecostlow,smallscaledturn,thebaudratebequick,p
2、ointtopointSSL,befreefromelectromagnetismthousandRaosetc.characteristics,canrealizationinformationatdissimilarityoftheproductfast,convenience,safelyexchangeandtransmission,atshortdistancewirelessdeliveraspecttoownveryobviousofadvantage.Alongwithredoutsidethedatadeliveratechniquemoreandmorem
3、ature,thecostdescend,redoutsidethetransceivernecessarilywillgetattheshortdistancecommunicationrealmmoreextensiveofapplication.Thepurposethatdesignthissystemistransmitcustomer’soperationinformationwithinfraredraysfortransmitmedia,thendemodulateoriginalsignalwithreceivecircuit.Itusecodingchip
4、tomodulatesignalandusedecodingchiptodemodulatesignal.ThecodingchipisPT2262anddecodingchipisPT2272.BothchipsaremadeinTaiwan.MainworkprincipleisthatweprovidetoinputtheinformationforthePT2262withcodingkeyboard.TheinputinformationwascodedbyPT2262andloadingtohighfrequentloadwavewhosefrequentis38
5、kHz,thenmodulateinfraredtransmitdioxideandradiatespaceoutsidewhenitattianenoughpower.Thereceivecircuitreceivethesignalanddemodulateoriginalinformation.TheoriginalsignalwasdecodedbyPT2272,soastodrivesomecircuittoaccomplishcustomer’soperationdemand.Keywords:Infraredray;Code;Decoding;LM386;Red
6、outsidetransceiver1Introduction1.1researchthebackgroundandsignificanceInfraredDataCommunicationTechnologyistheworldwideuseofawirelessconnectiontechnology,bythemanyhardwareandsoftwareplatformssupported.Isadatathroughelectricalpulsesandinfraredopticalpulseswitchbetweenthewirelessdatatransceiv
7、ertechnology.Infraredtransceiverproductswithlowcost,small,fasttransmissionrate,thepoint-to-pointtransmissionsecurity,notsubjecttoelectromagneticinterferenceandothercharacteristicsthatcanbeachievedbetweenthedifferentproducts,rapid,convenientandsafeexchang