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1、重庆大学硕士学位论文II英文摘要AbstractInrecentyears,vehicletechnologyiscontinuouslydevelopingtowardelectronicandintelligent,electronicequipmentsinvehiclearebecomingmoreandmore,whichmaketheelectromagneticenvironmentofvehiclemorecomplex.Asthetiethatconnectsallkindsofelectronice
2、quipment,wireactsasthetransmissioncarrieroftheelectronicsignal,anditselectromagneticinterferencecharacteristicplaysanimportantpartofroleintheelectromagneticcompatibilityproblemofvehicle.Hybridvehiclewastakenastheresearchobjectinthispaper.Onthebasisofpreviousstud
3、ies,thispapermainlydiscussedthesimulationmodelingofseveraltypicalradiationinterferencesourcesofthevehicle,andthenputtheradiationsourcemodelintothevehiclemodel,intheendthispaperresearchedtheelectromagneticradiationsensitivityproblemofthewire.Themainworksofthispap
4、erareasfollows:1)BasedonMaxwellintegralequation,thispaperintroducedthebasicprincipleofmomentsmethod,thecontinuousequationwasdiscretizedintothealgebraicequations,andasetofbasisfunctionandweightfunctionwouldbeselectedtotransformfunctionsintoamatrixequation,thenthe
5、matrixequationwassolvedtogetthecoefficientmatrix.BasedonthetheoryofMomentofMethod,asimpleandeasyantennamodel,whoseboundaryconditionswassetup,wasbuilt,thenthecurrentdistributionontheantennawasderivedindetail.2)Basedonfieldlinecouplingtheory,inducedcurrentwassolve
6、dinatransmissionlineabovelossyground,andthenaccordingtothescatteringtheoryperunitlengthimpedanceandadmittancewerederivedindetail,finallydifferentiallinesegmentmodelofthetransmissionlineisestablishedabovelossyground.3）Thispaperintroducedthethreeelementsofelectrom
7、agneticinterference,andrevolvedaroundthreeelementstoanalysis.Firstlyitwasanalyzedtheelectromagneticinterferencemechanismofinterferencesourcesinsidevehicle;thenradiationcouplingwasintroducedindetail,andthecommonmoderadiationanddifferentialmoderadiationwereemphati
8、callyanalyzed,theformulaofthecommonmodevoltageanddifferentialmodevoltagewerededucedformula.Theelectromagneticradiationmodelofinterferencesourceswereestablishedaccordi
