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我的一些天线资料GroundPlaneEffectsonPlanarInverted-FAntenna(PIFA)PerformanceMinh-ChauHuynhWarrenStutzman,FellowIEEEVirginiaTechAntennaGroupantenna.ece.vt.eduDepartmentofElectricalandComputerEngineeringVirginiaPolytechnicInstituteandStateUniversityBlacksburg,VA24061-0111Submittedto:IEEETransactionsonAntennasandPropagationAllenGlisson,EditorIEEEAPS302AndersonHallDepartmentofElectricalEngineeringUniversityofMississippiPOBox1848University,MS38677-1848Draftdate:April30,2002ABSTRACTTheplanarinverted-Fantenna(PIFA)ispopularforportablewirelessdevicesbecauseofitscompactsizeandlowprofile.ThePIFA,likemanyantennasonhandhelddevices,isdesignedtooperatewithagroundplaneandthegroundplaneisanintegralpartof……