FDTD法分析微帶天線陣和光器件.pdf

1、南京理工大學碩士學位論文FDTD法分析微帶天線陣和光器件姓名：周東申請學位級別：碩士專業(yè)：電磁場與微波技術指導教師：方大綱19990101AnalysisofMicrostripAntennaArraysandOpticalDevicesbyUsingFDTDMethodAbstractInthisthesis，theabsorbingboundaryconditions(ABC’s)fortheFiniteDifferenceTime

2、Domain(FDTD)mesheshasbeeninvestigatedandtheFDTDmethodintheanalysisofmicrostripantennaarrayandopticaldeviceshasbeenutilizedinordertogetthefollowingachievements：1Theappearancebackgroundofthemodifiedperfectlymatchedlayer(MP

3、ML)isintroducedThisthesisalsobrieflyintroducesthecharacteristicsoftheMPMLandshowshowtousetheMPMLTheMPMLhasbeenextendedtothecaseofIossymediabyaddingextraauxiliaryvariables2Afullwaveintegratedtimedomainanalysisofl16element

4、microstdpantennaarrayiscarriedoutbyFDTDmethodcombinedwiththeMPMLabsorbingboundaryconditionsThecharacteristicparametersofthefinitearrayandperiodarrayarecompared3Compact2DFDTDmethodisusedtoanalyzethecoplanarwaveguide(cPw)o

5、ftheelectro—opticalmodulatorinthetwodimensionalspaceinordertodecreasethecomputermemoryandcalculationtimeThesurfaceimpedanceboundaryconditions(SIBC)andFrench—Curvefittingarealsousedtoanalyzetheelectrodesoffinitethicknessa

6、ndconductivityintheCPW4TheFDTDequationsforthecomplexanisotmpicmediumonthesurfaceoftherewritableopticdiskarederivedwhichhavebeenusedtogetthefieldsdistributionsinthenearregionKEYWoRDS：FiniteDifferenceTime—Domain(FDTD)，Abso