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圆型厚屏频率选择表面的特性研究(英文).docx

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圆型厚屏频率选择表面的特性研究(英文) Title:InvestigationofCharacteristicsofCircularThick-FilmFrequencySelectiveSurface Abstract: Frequencyselectivesurfaces(FSS)areessentialcomponentsinvariouswirelesscommunicationsystems.Thisresearchpaperfocusesonthestudyofthecharacteristicsofacircularthick-filmFSS.TheaimistoinvestigatethebehaviorandperformanceoftheFSSintermsoffrequencyselectionandsignaltransmission.Theresearchincludesdesigning,fabricating,andtestingtheFSS.Theresultsdemonstratetheeffectivenessofthecircularthick-filmFSSinmanipulatingelectromagneticwaveswithinaspecificfrequencyrange. 1.Introduction Frequencyselectivesurfacesareplanarstructurescomposedofperiodicpatternsorelementsthatselectivelyalloworblockelectromagneticwavesbasedontheirwavelengths.Thesesurfacesfindapplicationsinvariousfieldssuchasantennadesign,electromagneticshielding,radarsystems,andwirelesscommunication.Thispaperfocusesonthestudyofacircularthick-filmfrequencyselectivesurface. 2.DesignandFabrication Thedesignofthecircularthick-filmFSSinvolvesoptimizingthedimensionsandpropertiesoftheelementstoachievethedesiredfrequencyselectioncharacteristics.Thefabricationprocessincludesdepositingthick-filmmaterialsusingscreenprintingtechniquesonasubstrate.Severaldesigniterationsareperformedtoachievethedesiredperformance. 3.MaterialSelection ThechoiceofmaterialsfortheFSSiscrucialindeterminingitsperformance.Thematerialsneedtohaveappropriateelectricalpropertiesandmechanicalrobustness.Thepaperdiscussesdifferentmaterialsthatcanbeusedandtheconsiderationsfortheirselection. 4.ExperimentalSetup Theexperimentalsetupfortestingthecircularthick-filmFSSinvolvestransmittingelectromagneticwavesofvariousfrequenciesandmeasuringthetransmissionresponseoftheFSS.Thesetupincludesavectornetworkanalyzerandappropriateantennasfortransmittingandreceivingsignals.Thepaperprovidesdetailsontheexperimentalsetupandthemeasurementtechniques. 5.ResultsandDiscussion Theresultsobtainedfromtheexperimentsareanalyzedanddiscussedinthissection.ThefrequencyresponseoftheFSSiseva