安捷伦ADSMomentum教程2（共4）：UsingMomentum

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1、SolutionprocessUsingMomentum•SelectMode•Substratedefinition•PortSetup•MeshGeneration•PlanarSolve•EnableregularMomentumorMomentumRF•DisplayResults•DefineSubstrateandMetallization(pre-computeoption)•Modifythetypeandimpedanceofports•DescribeapossibleSubstrateenclosu

2、re•Create/modifyMomentumComponenttobeusedinEM/circuitco-simulationorco-optimization•DefineMeshparameters(pre-computeoption)•SetupandPerformaMomentumsimulation(planarsolve)•SetupandPerformaMomentumoptimization(geometricperturbationbased)•DisplayVisualization(S-par

3、ameters,currentdensity,transmissionlineparameters)andRadiationpatterns•Export3DfilesforHFSSMomentumSeminarmomentum_01_02Page1UsingMomentum:SelectingtheAnalysisModeClickthissubmenutotoggletheanalysismode•Solutionprocess•Momentum
MomentumRF•MomentumRF
Momentum•Sele

4、ctMode•Substratedefinition•PortSetup•MeshGeneration•PlanarSolve•DisplayResultsMomentumSeminarmomentum_01_02Page2MomentumversusMomentumRF:ASnapshotMomentumfeatures:MomentumRFfeatures:•Full-WaveEMSimulation•Quasi-StaticEMSimulation•RooftopBasisFunction•Star/LoopBas

5、isFunctions•RectangularandTriangularCells•Polygonalcells•Formostpassivegeometry•Bestforgeometricallycomplexdesigns•Fullaccuracyforallcircuitsizes•Forelectricallysmalldesigns(≤λ/2)•Noinherentupperfrequencylimit•Upperfrequencydependsonsize•Potentialinstabilityatf

6、HztoMHz•ResultsstabledowntoDC•PortCalibration•PortCalibration•BoxandWaveguideinclusion•NoBox/WaveguideModes•Includesallradiationmodes•Fordesignsthatdon’tradiate•Display2Dand3DRadiationPatterns•NoRadiationPatterns•Greatfor1stpassresults,evenforlargedesigns(>λ/2)•S

7、imulationtimeandmemorydecreaseby~10X-25XMomentumSeminarmomentum_01_02Page3MomentumversusMomentumRFElectricallySmallconditionforMomentumRF…HowdoIknow?Statuswindowprovidesruleofthumbfrequencyforwhichthestructureis“electricallysmall”D≤λ/2MomentumSeminarmomentum_01_0

8、2Page4MomentumversusMomentumRFPlanarEMSimulationBasicsPhysicalDesign•Substrate•Metallization•PortsB1(r)B2(r)B3(r)MethodofMoments•MeshingI1I2I3•Rooftopfunctions