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1、附录A英文文献RadioFrequencyIdentificationTechnologyIntroductionRFIDistheabbreviationforRadioFrequencyIdentification,calledelectronicslabel.RFIDrecognitionisanon-contactautomaticidentificationtechnology,rfsignalthroughitsautomatictargetrecognitionandaccesstorelevantdata,identifyworkwithoutmanualinterventio
2、n,itcanworkinvariousenvironments.RFIDtechnologycanidentifyhigh-speedmovingobjectsandcanidentifymultipletags,theoperationisfastandconvenient.Accenturelaboratory'schiefscientistsiralexfergusonfeelsRFIDisabreakthroughtechnology:"first,canidentifyaveryspecificobjects,ratherlikethecodethatcanidentifyclas
3、sobjects;second,theuseofrf,canreaddatathroughexternalmaterials,andbarcodemustrelyonlasertoreadinformation;third,canalsoreadontomultipleobjects,andbarcodecanonlyreadonebyone.Inaddition,storeofinformationisalsoverybig."ThebasiccomponentofRFIDThemostbasicRFIDsystemconsistsofthreeparts:Tag:Tagconsistsof
4、componentsandchips,eachTaghasonlyelectroniccoding,adheretotheobjectforidentifyingtarget;Reader:read(sometimesalsocanwrite)labelinformationequipment,itcanbedesignedforportableorfixed;Antenna:Transmitradiofrequencysignalsbetweeninthelabelandreader.ThebasicprincipleofRFIDtechnologyThebasicprincipleofRF
5、IDtechnologyisnotcomplex:Labelintothefield,Receiveradiofrequencysignalsfromreadercollision,withalltheenergystoredinachipoftheproductinformation(passivetag,thereisnosourcelabelorlabels),Oractivelytosendafrequencysignals（activetagandtolabelorlabels）；toreadinformationandunderstandingofthedecoderafterth
6、ecentralinformationsystemstocarryouttherelevantdataprocessing.DevelopmentofRFIDtechnologySanfordBernsteincristiano,accordingtoanalystsestimatetheretailingcompany,byadoptingtheRFID,wal-martcansave$8.35billioneachyear,mostlybecauseofthepurchaseofartificialviewdoesnotneedtosavethecostoflaborcode.Althou
7、ghsomeanalyststhink$8billioninthedigitaltoooptimistic,butundoubtedly,RFIDhelpsolvetheproblem:thetwobiggestretailcommoditiesandloss(brokenbytheftandsupplychainwasunsettledandlossofproducts),nowawal-mar
