聲表面波無源電子標(biāo)簽研究以及射頻識別閱讀器設(shè)計(jì).pdf

1、南開大學(xué)碩士學(xué)位論文聲表面波無源電子標(biāo)簽研究以及射頻識別閱讀器設(shè)計(jì)姓名：王斐申請學(xué)位級別：碩士專業(yè)：光學(xué)指導(dǎo)教師：趙啟大20090601AbstractAbstractSurfaceAcousticWave(SAW)RadioFrequencyIdentification(RFID)isanewl【indofRFIDwhichiSbasedonSAWDevicesItovercomesthetraditionalIC(Integrate

2、Circuit，IC)chipasthecoreoftheRFIDequipmeritwhichcouldnotworkproperlyinmetalobjects，liquids，hightemperature，strongelectromagneticinterferenceenvironment，andhasfollowingfeatures：passive，distantrangeofidentification，andtoid

3、entifyhigh—speedobjects，etcInthisdissertationweresearchaSAWRFIDPassiveTagontheprincipleofthedelaylineSAWsensoranddesignaUHFRFIDReaderonthefoundationofwirelesscommunicationtechnologyThemaincontentsarelistedasfollows：1Anal

4、yzetheworkingprincipleofSAWRFIDsystemIntroducetheframeworkofSAWRFIDsystemandthefunctionalityofeverypart2AnalyzethebasistheoryofSAWTheprincipleofSAWsensorisexplainedWeanalysisanddesigntheSAWRFIDPassiveTag，includethetheore

5、ticalanalysisandparametersdesignoftheIDT，PiezoelectricsubstratematerialandReflectiongrating。3AccordingtotheInternationalRFIDstandardprotocolEPCClasslGeneration2，ahardwareschemeofazeroIFdemodulatorwaspresentWefocusonthede

6、signoftheRFIDReaderwhoseoperatingfrequencyis915MHzExplaintheReader’SharewaresystemindetailwhichincludesRFTransceiverModuleandControlProcessingModule4TheReader’SharewarecompletesalmostexclusivelythefunctionofRFtransceiver

7、TheCOrefunctioncompletesbysoftwareIntroducetherealizationoftheCOrefunctionindetailwhichisFunctionProcessingSoftwareItliesonembeddedplatformARM7processorLPC2138andusesembeddedrealtimeoperatingsystemIaC／OS—IIKeywords：SAWRF