有損均勻傳輸線數(shù)值解的研究.pdf

1、分類號UDC密級學號彳屈大擎碩士學位論文論文題目：有損均勻傳輸線數(shù)值解的研究論文作者：張希指導教師姓名、職稱、工作單位：劉宗行教授重慶大學申請學位級別：碩士學科、專業(yè)名稱：電氣工程論文提交日期：2003年04月日答辯日期：2003年05月27日學位授予單位：重慶大學授位日期：2003年月曰答辯委員會主席：張安邦教授論文評閱人：張安邦教授何世彪教授2003年05月日重慶大學碩士學位論文英文摘要AbstractTransientintran

2、smission1inesisvitaltoanalyzetheoperationofmanyhighspeedintegratedcircuitssuchaspulsecommunicationsystemsanddigitalelectroniccircuitWiththeincreasingsignalfrequencyanddecreasingfeaturesizeofmodemhirghspeedintegratedcircu

3、its，interconnecttransmissionlineisplayinganincreasinglyimportantroleTransmissionlineeffects，suchasreflection，dispersionandcrosstalk，maycausethefailureofcircuitdesignOnthe0therhandin仃aditionalelectricityindustryhowtomakca

4、ccurateandefficientfaultlocationisalsoapopularresearcharearelated!OtransmissionlineSoastudyintransmissionlineisverysignificantandvaluableIntllisthesistwotimedomainnumericalsolutionapproacheshavebeendeducedbytheaidofcompu

5、tationalmathematicsandcircuittheoryTransmissionlinewithlossanddispersionaretraditionallymodeledandanalyzedinthefrequencydomain，whilenonlineardevicesortimevariedcomponentsmustbecharacterizedjnthetimedomainTheprevailingapp

6、roachesdependoncostlytimedomainconvolution，usingthefrequencydomainnetworkparameterssuchasS—parameterYparameterorABCDparameterstofindanalyticsolution，andfindingthetimedomainapproximationsbv腫orevennumericalinversionoflapla

7、cetransfoITU(N1TL)iftherearealargenumberofnonlineardevicesinthenetworkHoweverthesetwomethodsdeducedjnthisdissertationcangettimedomainresponsedirectlyonceusingnumericalsolutiontolargescalelinearequationsTelegraphequations

8、，canbelookedascascadeconnectionoftwo—portnetworkoflumpedcircuitoftransmissionlineisahyperbolicpartialdiffcrentialequationsThisPaperimplementsdifferentialformationofquasilineardifferentialequations，furthermoreLumpedequiva

9、lentcircuitmodeatboundaryandconstraintsbetweenvoltageandcurrenthavebeenincorporatedtofindboundaryconditionsBecausePartialDifierentialEquationscantransforillintoOrdinaryDifferentia】EquationsIItransformsTelegraphEquationsi

10、ntoOrdinaryDifferentialEquationsAfterthat，thetransientresponseoftransmissionlinecallbeanalyzedbythemethodofnumericalsolutionforODE4’thRoungeKuttaandImplicitEulerareimplementedtofindnumericalsolutionBycomparison，ImplicitE

11、ulerisbettermethodasakerneloftransmissionlinesimulationComputingandprogrammingtoTransmissionlinetransientwithdifferentconditionsofboundaryandtwolinecouplingorevenmorecomplicatedintemalswitchingorloadingarecarriedout，simu