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1、AntennaEngineering,PeterKnottTutorialPatchAntennaDesignPatchAntennaDesignusingMICROWAVESTUDIO1WhatisCSTMICROWAVESTUDIO?CSTMICROWAVESTUDIOisafull-featuredsoftwarepackageforelectromagneticanal-ysisanddesigninthehighfrequencyrange.Itsimpli estheprocessofinputtingthestru
2、c-turebyprovidingapowerfulsolid3Dmodellingfrontend,see gure??.Stronggraphicfeedbacksimpli esthede nitionofyourdeviceevenfurther.Afterthecomponenthasbeenmodelled,afullyautomaticmeshingprocedureisappliedbeforeasimulationengineisstarted.CSTMICROWAVESTUDIOispartoftheCSTD
3、ESIGNSTUDIOsuite[?]ando ersanumberofdi erentsolversfordi erenttypesofapplication.Sincenomethodworksequallywellinallapplicationdomains,thesoftwarecontainsfourdi erentsimulationtechniques(transientsolver,frequencydomainsolver,integralequationsolver,eigenmodesolver)tobe
4、st ttheirparticularapplications.Themost
exibletoolisthetransientsolver,whichcanobtaintheentirebroadbandfrequencybehaviourofthesimulateddevicefromonlyonecalculationrun(incontrasttothefrequencystepapproachofmanyothersimulators).ItisbasedontheFiniteIntegrationTechnique(
5、FIT)introducedinelectrodynamicsmorethanthreedecadesago[?].Thissolverisecientformostkindsofhighfrequencyapplicationssuchasconnectors,transmissionlines, lters,antennasandmore.Inthistutorialwewillmakeuseofthetransientsolverfordesigningamicrostrippatchantennaasanexample
6、.Figure3:GraphicalUserInterfaceofCSTMICROWAVESTUDIOversion02/01/10p.11AntennaEngineering,PeterKnottTutorialPatchAntennaDesign2SimulationWork
owAfterstartingCSTDESIGNENVIRONMENT,choosetocreateanewCSTMICROWAVESTUDIOproject.Youwillbeaskedtoselectatemplateforastructurewh
7、ichisclosesttoyourdeviceofinterest,butyoucanalsostartfromscratchopeninganemptyproject.Aninterestingfeatureoftheon-linehelpsystemistheQuickStartGuide,anelectronicassistantthatwillguideyouthroughyoursimulation.YoucanopenthisassistantbyselectingHelp!QuickStartGuideifitd
8、oesnotshowupautomatically.Ifyouareunsureofhowtoaccessacertainoperation,clickonthecorrespondingline.TheQuickStartGuidewilltheneither
