CST User Note _Dealing with High Q Structures

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1、CSTUserNote_DealingwithHighQStructures_Products:CSTMICROWAVESTUDIO®,CSTDESIGNSTUDIOTM-1-DealingwithHighQStructuresUserNoteCSTMICROWAVESTUDIO®(T-F-E)CSTDESIGNSTUDIOTMThisusernotedescribeswhyaveryhighQvalueaffectsthesimulationtimewhenusingastandardTimeDomainscheme.TheextremepowerfulA

2、R-filtertechniqueisintroducedandsomeinformationfortherighthandlinggiven.AlternativelytheapplicationofaFrequencyDomainSolver,theMORsolver,theEigenmodeSolver(ModalAnalysis)aswellasthepossibilityofaMWS/DSco-simulationisshown.btr/v1.0/26.09.2004CSTUserNote_DealingwithHighQStructures_Pr

3、oducts:CSTMICROWAVESTUDIO®,CSTDESIGNSTUDIOTM-2-Tableofcontents1.Overview................................................................................................31.1SolverOverview..................................................................................31.2TimeSignal

4、sandTruncationerror.....................................................32.TimeDomaincalculationwithonlineAR-filter......................................53.FrequencyDomaincalculation.............................................................84.ModelOrderReduction(MOR)............

5、...............................................105.EigenmodeSolver(ModalAnalysis)...................................................115.1Theoreticalbackground....................................................................115.2EigenmodeSolverDialog..............................

6、...................................125.3ModalAnalysis..................................................................................136MWS/DSco-simulation........................................................................15btr/v1.0/26.09.2004CSTUserNote_DealingwithHighQStru

7、ctures_Products:CSTMICROWAVESTUDIO®,CSTDESIGNSTUDIOTM-3-1.Overview1.1SolverOverviewThefollowingapproachestocalculateresonantstructureswillbeshown:TimeDomain(+AR-filter)FrequencyDomain/MORModalanalysis+3DEMSimulation+SystemLevel1.2TimeSignalsandTruncationerrorThemoreresonantthestruc

8、turethelongerittakesuntilt