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1、工程电磁场基础directoryLeaditAbriefhistoryofelectromagnetismSecond,thecharacteristicsofelectromagneticfieldtheorycourseThelawofelectromagneticfieldsinfreespace13.3.1thebasicdefinition13.3.41.1chargedensityOne,densityofchargedensityTwo,thesurfacechargedensityeta3,thelinearcha
2、rgedensitylambdaFourth,pointchargeq1.2currentdensityOne,currentdensityJTwo,thesurfacecurrentdensityKThird,linecurrenti.1.1.3basefieldsOne,lorentzforceformulaTwo,fieldstrengthEThree,magneticfieldstrengthHThelawofelectromagneticfieldsinfreespaceThemeaningofthesigninthel
3、awof1.2.1ThemathematicalphysicalmeaningofeachelectromagneticfieldlawThesignificanceofFaraday，selectromagneticinductionlawThesignificanceofthemodifiedampere-looplawThesignificanceofelectricfieldgausslawThesignificanceofmagneticfieldgausslawThemeaningofthelawofconservat
4、ionofchargeThewholephysicalmeaningoftheelectromagneticfieldlawTheapplicationoftheintegralformfieldlawLearningproblemChapteriivectoranalysisThegradientofthe2.1scalarfieldTheequivalentsurfaceofthe2.1.1scalarfieldThegradientofthe2.1.2scalarfieldOne,thedirectioncosineandt
5、heunitvectorTwo,thedirectionalderivativeThegradientofthescalarfieldThepropertiesofthe2.1.3gradientThephysicalsignificanceofthescalarfieldgradientof2.1.41.5sampleThedivergenceofthe2.2vectorfieldandthegausstheoremThefieldflowdiagramofthe2.2.1vectorfieldThedivergenceofth
6、e2.2.2vectorfieldThedefinitionofdivergenceThemathematicalcalculationofdivergenceThenatureofthedivergeneeofthe2.2.3vectorfieldThephysicalsignificanceofthedivergenceofthe2.2.4vectorfield2.2.5gausstheoremOne,gauss，stheoremTheproofofgausstheoremThedivergencerelationofthel
7、awofdifferentialformfieldinfreespace2.2.7Laplaceoperators13.3.42.8sampleThecurlofavectorfieldandstokes，theorem2.3.1conservativeandnon-conservativefieldsThecurlofthe2.3.2vectorfieldThedefinitionofcurlSecond,themathematicalformulaofcurlThepropertiesofthecurlofthe2.3.3ve
8、ctorfieldThephysicalsignificanceofthecurlofthe2.3.4vector2.3.5stokes'theoremOne,stokes，theoremTwo,theoremproveThird,thecrite
