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大地电磁正演数值模拟及反演效果对比分析.docx

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大地电磁正演数值模拟及反演效果对比分析 Title:ComparativeAnalysisofNumericalSimulationandInversionResultsinControlled-sourceElectromagneticForwardModeling Abstract: Controlled-sourceelectromagnetic(CSEM)methodshaveshowngreatpotentialforsubsurfaceimaginginvariousgeologicalsettings.ThisstudyaimstocomparetheeffectivenessofnumericalsimulationandinversiontechniquesinCSEMforwardmodelingbyanalyzingtheirrespectiveoutputs.First,thebasicprinciplesofCSEMforwardmodelingandinversionareintroduced.Then,theimplementationsofnumericalsimulationandinversionalgorithmsarediscussed.Next,casestudiesarepresentedtodemonstratethecapabilitiesandlimitationsofbothapproaches.Finally,acomparativeanalysisisconductedtoevaluatetheadvantagesanddisadvantagesofnumericalsimulationandinversiontechniquesinCSEMapplications,providinginsightsforfutureresearchandpracticalfieldapplications. 1.Introduction 1.1Background 1.2ObjectivesandSignificance 1.3LayoutofthePaper 2.CSEMForwardModeling 2.1PrincipleandTheoryofCSEM 2.2MathematicalFormulationofCSEMForwardProblem 2.3NumericalAlgorithmsforCSEMForwardModeling 3.CSEMInversion 3.1InversionPrinciple 3.2InversionApproachesandAlgorithms 3.3ChallengesandConsiderationsinCSEMInversion 4.NumericalSimulationofCSEMForwardModeling 4.1GoverningEquationsforNumericalSimulation 4.2DiscretizationandMeshGeneration 4.3MatrixSolversandComputationalEfficiency 4.4OutputAnalysisandInterpretation 5.InversionofCSEMData 5.1DataPreprocessingandQualityControl 5.2InversionAlgorithmsandParameterization 5.3RegularizationTechniquesandStabilityAnalysis 5.4InterpretationandUncertaintyQuantification 6.CaseStudies 6.1SyntheticModelsandDataGeneration 6.2ComparisonofForwardModelingResults 6.3ComparisonofInversionResults 6.4AnalysisofResolutionandSensitivity 7.ComparativeAnalysisofNumericalSimulationandInversion 7.1AccuracyandReliability 7.2ComputationalEfficiency 7.3ResolutionandSensitivity 7.4PracticalConsiderationsandLimitations 8.SummaryandFuturePerspectives 8.1SummaryofFindings 8.2RecommendationsforFurtherResearch 8