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机载天线电磁耦合分析 Title:ElectromagneticCouplingAnalysisofOnboardAntennainAircraft Abstract: Withtherapiddevelopmentofmodernaviationtechnology,communicationsystemsonboardaircrafthavebecomeanintegralpartofpassengerandcrewconnectivity.Theperformanceofthesecommunicationsystemsreliesheavilyontheproperfunctioningofonboardantennas.However,electromagneticcouplingeffectssuchasinterferenceanddistortioncansignificantlydegradetheperformanceoftheseantennas,leadingtocommunicationbreakdown.Thispaperaimstoprovideanin-depthanalysisofelectromagneticcouplinginonboardantennasinaircraft,discussingitscauses,effects,andpossiblemitigationtechniques.Thestudyemphasizestheimportanceofconsideringelectromagneticcouplingeffectsduringtheantennadesignandaircraftcommunicationsystemintegrationprocess. 1.Introduction 1.1Background 1.2Objective 1.3Scope 2.OverviewofOnboardAntennas 2.1TypesofOnboardAntennas 2.2PlacementandDesignConsiderations 3.ElectromagneticCoupling:CausesandEffects 3.1TypesofElectromagneticCoupling 3.2SourcesofCouplinginAircraftEnvironments 3.3EffectsofElectromagneticCouplingonAntennaPerformance 4.AnalysisTechniquesforElectromagneticCoupling 4.1NumericalModelingMethods 4.1.1FiniteElementMethod(FEM) 4.1.2MethodofMoments(MoM) 4.2MeasurementTechniques 4.2.1Near-FieldScanning 4.2.2ElectromagneticInterference(EMI)Testing 5.MitigationTechniques 5.1AntennaIsolationandShielding 5.2FilteringandSignalProcessing 5.3FrequencyPlanningandAllocation 5.4DesignOptimizationforReducedCouplingEffects 6.CaseStudies 6.1AnalysisofCouplingEffectsinIn-FlightEntertainmentSystemAntennas 6.2EvaluationofCouplinginAircraftCommunicationSystems 7.FutureDirectionsandChallenges 7.1AdvancementsinAntennaDesignandIntegrationTechniques 7.2EmergingTechnologiesforImprovedElectromagneticCompatibility 7.3RegulatoryFrameworksandStandards 8.Conclusion 8.1SummaryofKeyFindings 8.2RecommendationsforFutureResearch References Note:Theaboveoutlineservesasaguidelineandcanbemodifiedbasedonthespecificrequirementsandcontentofthepaper.Itinclud