外文翻譯--MATLAB與電路分析.doc

文獻翻譯英文原文：CircuitanalysiswithMATLABTheelectricalappliancesisbecomingmoreandmoreimportantintodaysworldwherecomputertechnology,internettechnologyandcommunicationtechnologyaredevelopingrapidlyandpeopleslifehasbeengreatlyimproved.Circuitanalysisisanecessarycourseandbasicknowledgeforelectronicspecialstudent.Itisthefoundationofcircuitmaintenanceandcircuitapplication.Asoneofthemostimportantsubjectsforanunder-graduatedstudentwhosmayorinelectronicinformationengineering,circuitanalysisstatefortheprofessionalcapability.Withthedevelopmentofthecircuitanalysisfield,circuitsgetmorecomplicatedandsimulationtechnologyusingcomputergrownup.Dynamiccircuitanalysisisthemostdifficult,whichtakestimeandahugemountofmanualworkespeciallywhencircuitiscomplicated.SoweusestheMatlab/Simulinksimulationtoolsandthepowersystemblockmodellibrarytomakeanalysisonseveralsimplecircuitsuchasthealternatingurgentsteady-statecircuit、directcurrentsteady-statecircuitandfirst-orderdynamiccircuit.ThecircuitsareprogrammedbyMatlablanguageandsimulateitbySimulinktools.Althoughsimulationbycomputersoftwarecannotreplacethetraditionalway,ithelpspeopletounderstandcircuitanalysisdirectlyandeffectively.Bythesetools，peoplecandemonstratethecircuitperformancesandreducecomplicatedcalculation.Itmakesussavealotofwork.Duringthisprocess，weknowhowMatlab/SimulinkworkandshowtheadvantageofMatlab/Simulinktoolsoncircuitanalysis，itturnsouttobesimple，convenience，efficientandflexible.MATLABisahigh-performancelanguagefortechnicalcomputing.Itintegratescomputation,visualization,andprogramminginaneasy-to-useenvironmentwhereproblemsandsolutionsareexpressedinfamiliarmathematicalnotation.Typicalusesinclude:1Mathandcomputation2Algorithmdevelopment3Modeling,simulation,andprototyping4Dataanalysis,exploration,andvisualization5Scientificandengineeringgraphics6Applicationdevelopment,includinggraphicaluserinterfacebuildingMATLABisaninteractivesystemwhosebasicdataelementisanarraythatdoesnotrequiredimensioning.Thatallowsyoutosolvemanytechnicalcomputingproblems,especiallythosewithmatrixandvectorformationsinafractionofthetime,whichwouldtakealotoftimetowriteaprograminascalarnon-interactivelanguagesuchasCorFORTRAN.ThenameMATLABstandsformatrixlaboratory.MATLABwasoriginallywrittentoprovideeasyaccesstomatrixsoftwaredevelopedbytheLINPACKandEISPACKprojects.Today,MATLABenginesincorporatetheLAPACKandBLASlibraries,embeddingthestateoftheartinsoftwareformatrixcomputation.MATLABhasevolvedoveraperiodofyearswithinputmanyusers.Inuniversityenvironments,itisthestandardinstructionaltoolforintroductoryandadvancedcoursesinmathematics,engineering,andscience.Inindustry,MATLABisthetoolofchoiceforhigh-productivityresearch,development,andanalysis.MATLABfeaturesafamilyofadd-onapplication-specificsolutionscalledtoolboxes.VeryimportanttomostusersofMATLAB,toolboxesallowyoutolearnandapplyspecializedtechnology.ToolboxesarecomprehensivecollectionsofMATLABfunctions(M-files)thatextendtheMATLABenvironmenttosolveparticularclassesofproblem.Areasinwhichtoolboxesareavailableincludesignalprocessing,controlsystems,neuralnetworks,fuzzylogic,wavelets,simulation,andmanyothers.TheMATLABsystemconsistsoffivemainparts:Developmentenvironment.ThisisthesetoftoolsandfacilitiesthathelpyouuseMATLABfunctionsandfiles.Manyofthesetoolsaregraphicaluserinterfaces.ItincludestheMATLABdesktopandCommandWindows,acommandhistory,aneditoranddebugger,andbrowsersforviewinghelp,theworkspaces,files,andthesearchpath.TheMATLABMathematicalFunctionLibrary.Thisisavastcollectionofcomputationalalgorithmsrangingfromelementaryfunctionslikesum,sine,cosine,andcomplexarithmetic,tomoresophisticatedfunctionslikematrixeigenvalue,Besselfunctions,andfastFouriertransforms.TheMATLABLanguage.Thisisahigh-levelmatrix/arraylanguagewithcontrolflowstatements,functions,datastructures,input/output,andobject-orientedprogrammingfeatures.Itallowsboth“programminginthesmall”rapidlycreatequickanddirtythrow-awayprograms,and“programminginthelarge”tocreatecompletelargeandcomplexapplicationprograms.Graphics.MATLABhasextensivefacilitiesfordisplayingvectorsandmatricesasgraphs,aswellasannotatingandprintingthesegraphs.Itincludeshigh-levelfunctionsfortwo-dimensionalandthree-dimensionaldatavisualization,imageprocessing,animation,andpresentationgraphics.Italsoincludeslow-levelfunctionsthatallowyoutofullycustomizetheappearanceofgraphicsaswellasbuildcompletegraphicaluserinterfacesonyourMATLABapplications.TheMATLABApplicationProgramInterface(API).ThisisalibrarythatallowsyoutowriteCandFORTRANprogramsthatinteractwithMATLAB.ItincludefacilitiesforcallingroutinesfromMATLAB(dynamiclinking),callingMATLABasacomputationalengine,andforreadingandwritingMAT-files.InthecircuitanalysistheRLCtwostepselectriccircuitsanalysisprocessisquitecomplex,andmustmaketheresponsecurveanalysissystemtheperformanceindexextremelytobealsodifficult.Moreovertothesecond-orderdifferentialequationsolutionalsoisquitetroublesome,thereforecausesthemajoritytheschoolmatewhichstudiesthisclasswhenstudiestwostepselectriccircuitsunderstandsquitedifficultly.ButMATLABisvisiblefacescienceandengineeringcalculationlarge-scaleoutstandingscienceandtechnologyapplicationsoftware,itssentencesuccinct,thefunctionformidable,simpleispractical,inthecircuitanalysis,thecomputationhasthewidespreadapplication.MATLABprovidesmassiveandtherichbuilt-infunction,thehighlyeffectivesuccinctsentence,canmeeteachkindofneedswhichtheelectriccircuitcalculates,theMATLABlanguagepermissionpluralnumberdirectparticipationoperation,hassatisfiedthealternating-currentcircuitanalysis,thecomputationdemand.TheMATLABlanguagemaydirectlydrawupthevoltage,theelectriccurrentmeasuresthechart,butmeasuresthechartanalyzesthealternating-currentcircuitessentialimportanttool,isothercomputationlanguagestrengthcannot.參考譯文：MATLAB與電路分析在當(dāng)今世界，計算機技術(shù)，網(wǎng)絡(luò)技術(shù)和通信技術(shù)正在迅猛的發(fā)展，人民的生活水平逐步提高，電子產(chǎn)品變得越來越重要。對于電子專業(yè)的學(xué)生來說電路分析是一門必要的課程和基礎(chǔ)的知識技能，它是電路維護和電路應(yīng)用的基礎(chǔ)。對于那些專業(yè)為電子信息工程、職業(yè)能力為電路分析的本科學(xué)生來說，電路分析是最為重要的專業(yè)課程之一。隨著電路分析領(lǐng)域的發(fā)展,電路變得越來越復(fù)雜,于是計算機仿真技術(shù)應(yīng)運而生。動態(tài)電路的分析是最困難的，它不但耗費時間而且要花費很多的人工，尤其是當(dāng)電路很復(fù)雜的時候。因此，我們采用了基于Mat