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1、附录A英文文献RadioFrequencyIdentificationTechnologyIntroductionRFIDistheabbreviationforRadioFrequencyIdentification,calledelectronicslabel.RFIDrecognitionisanon-contactautomaticidentificationtechnology,rfsignalthroughitsautomatictargetrecognitionandaccessto
2、relevantdata,identifyworkwithoutmanualintervention,itcanworkinvariousenvironments.RFIDtechnologycanidentifyhigh-speedmovingobjectsandcanidentifymultipletags,theoperationisfastandconvenient.Accenturelaboratory'schiefscientistsiralexfergusonfeelsRFIDisa
3、breakthroughtechnology:"first,canidentifyaveryspecificobjects,ratherlikethecodethatcanidentifyclassobjects;second,theuseofrf,canreaddatathroughexternalmaterials,andbarcodemustrelyonlasertoreadinformation;third,canalsoreadontomultipleobjects,andbarcode
4、canonlyreadonebyone.Inaddition,storeofinformationisalsoverybig."ThebasiccomponentofRFIDThemostbasicRFIDsystemconsistsofthreeparts:Tag:Tagconsistsofcomponentsandchips,eachTaghasonlyelectroniccoding,adheretotheobjectforidentifyingtarget;Reader:read(some
5、timesalsocanwrite)labelinformationequipment,itcanbedesignedforportableorfixed;Antenna:Transmitradiofrequencysignalsbetweeninthelabelandreader.ThebasicprincipleofRFIDtechnologyThebasicprincipleofRFIDtechnologyisnotcomplex:Labelintothefield,Receiveradio
6、frequencysignalsfromreadercollision,withalltheenergystoredinachipoftheproductinformation(passivetag,thereisnosourcelabelorlabels),Oractivelytosendafrequencysignals（activetagandtolabelorlabels）；toreadinformationandunderstandingofthedecoderafterthecentr
7、alinformationsystemstocarryouttherelevantdataprocessing.DevelopmentofRFIDtechnologySanfordBernsteincristiano,accordingtoanalystsestimatetheretailingcompany,byadoptingtheRFID,wal-martcansave$8.35billioneachyear,mostlybecauseofthepurchaseofartificialvie
8、wdoesnotneedtosavethecostoflaborcode.Althoughsomeanalyststhink$8billioninthedigitaltoooptimistic,butundoubtedly,RFIDhelpsolvetheproblem:thetwobiggestretailcommoditiesandloss(brokenbytheftandsupplychainwasunsettledandlossofproducts),nowawal-mar
