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1、DESIGNANDOPTIMIZATIONOFPASSIVEUHFRFIDSYSTEMSDESIGNANDOPTIMIZATIONOFPASSIVEUHFRFIDSYSTEMSJari-PascalCurty,MichelDeclercqCatherineDehollain,NorbertJoehlEcolePolytechniqueFederalsdeLausanne,Switzerland^SpringerJari-PascalCurtyMichelDeclercqCatherineDehoilainNorbertJoehlEcolePolytechnique
2、FederaledeLausanne,SwitzerlandDesignandOptimizationofPassiveUHFRFIDSystemsLibraryofCongressControlNumber:2006932387ISBN0-387-35274-0e-ISBN0-387-44710-5ISBN9780387352749Printedonacid-freepaper.©2007SpringerScience-FBusinessMedia,LLCAllrightsreserved.Thisworkmaynotbetranslatedorcopiedin
3、wholeorinpartwithoutthewrittenpermissionofthepublisher(SpringerScience-FBusinessMedia,LLC,233SpringStreet,NewYork,NY10013,USA),exceptforbriefexcerptsinconnectionwithreviewsorscholarlyanalysis.Useinconnectionwithanyformofinformationstorageandretrieval,electronicadaptation,computersoftw
4、are,orbysimilarordissimilarmethodologynowknoworhereafterdevelopedisforbidden,Theuseinthispublicationoftradenames,trademarks,servicemarksandsimilarterms,eveniftheyarenotidentifiedassuch,isnottobetakenasanexpressionofopinionastowhetherornottheyaresubjecttoproprietaryrights.987654321spri
5、nger.comContentsPrefaceix1Introduction11.1Objectiveofthiswork21.2Organizationoftiiisbook22WirelessPowerTransmission32.1HistoryofWirelessPowerTransmission32.2Therectenna42.3Rectifierbuildingblocks62.3.1Clampingcircuit62.3.2Rectifiercircuit72.3.3Thevoltagedoubler72.3.4Full-waverectifier
6、82.3.5Full-waveGreinacherrectifier82.4Antenna92.4.1Lossresistance102.4.2Radiationresistance112.4.3Antenna-Rectifierinterface112.4.4Numericalexample122.4.5WPTtodayandpossiblefutureapplications132.5Conclusion153AnalysisoftheModified-GreinacherRectifier173.1Matchingstrategy173.2Rectifier
7、equivalentcircuit193.3Analysisstrategy203.4Idealcase213.4.1Steady-statesolutionoftheidealrecfifier213.4.2Determinationofi?i233.5Realcase243.5.1Steady-statesolution243.5.2DeterminationofC,26viContents3.5.3Determinationofi?i273.5.4Determinationofi?out293.5.5Rectifierefficiency303.6Resul
8、tsand