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机载雷达平板裂缝天线焊前低变形装配技术研究 Title:ResearchonLowDeformationAssemblyTechniqueforWeldingAircraftRadarFlatCrackAntennas Abstract: Withtheadvancementofaviationtechnology,aircraftradarsystemsplayacrucialroleinensuringflightsafetyandnavigation.Theflatcrackantennasusedinonboardradarsystemsarepronetodeformationduringtheweldingprocess,whichcanimpacttheirperformance.Therefore,thispaperaimstoexplorealowdeformationassemblytechniqueforweldingaircraftradarflatcrackantennas.Theresearchwillfocusonanalyzingthefactorscontributingtodeformation,proposingmitigationstrategies,andassessingtheeffectivenessoftheproposedtechnique. 1.Introduction 1.1BackgroundandSignificance 1.2ProblemStatement 1.3ResearchObjectives 2.LiteratureReview 2.1OverviewofAircraftRadarSystems 2.2FlatCrackAntennaDesignandManufacturing 2.3WeldingTechnologyandDeformationIssues 2.4CurrentAssemblyTechniquesforRadarFlatCrackAntennas 3.FactorsContributingtoDeformation 3.1MaterialProperties 3.2ManufacturingProcess 3.3WeldingParameters 3.4EnvironmentalFactors 4.MitigationStrategies 4.1Pre-AssemblyPreparation 4.2CustomizedFixturingandClampingTechniques 4.3HeatControlDuringWelding 4.4Post-WeldingCoolingTechniques 5.ExperimentalMethodology 5.1SelectionofMaterialsandAntennaSamples 5.2DesignofFixturesandClampingMechanisms 5.3WeldingProcedureandParameters 5.4TestingandMeasurementTechniques 6.ResultsandDiscussion 6.1EvaluationofDeformationLevels 6.2AnalysisofWeldingVariables 6.3ComparisonofDifferentAssemblyTechniques 6.4DiscussiononMitigationStrategiesandTheirEffectiveness 7.Conclusion 7.1SummaryofFindings 7.2ImplicationsforAircraftRadarSystemDesignandManufacturing 7.3FutureResearchDirections References