英文翻译EDA技术及软件.docx
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英文翻译EDA技术及软件.docx
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英文翻译EDA技术及软件
原文
EDAtechnologyandsoftware
ketmatures,butourr&dlevelstillverylimited,stillneedtocatchup.EDAisElectronicDesignAutomation(ElectronicAutomation)istheabbreviationofthemselves,intheearly1990sfromcomputeraidedDesign(CAD),computeraidedmanufacturing(CAM),computeraidedtesting(CAT)andcomputeraidedengineering(CAE)developmentoftheconceptsandcome.
EDAtechnologyisonthecomputerasthetool,thedesignerinEDAsoftwareplatform,withVHDLHDLfinishdesigndocuments,thenbythecomputerautomaticallylogiccompilation,reduction,division,comprehensive,optimization,layoutandwiringandsimulationforaparticulargoalchips,untiltheadaptercompilation,logicmappingandprogrammingdownload,etc.
1EDAtechnologyconcepts
EDAtechnologyisinelectronicCADtechnologydevelopedonthebasisofcomputersoftwaresystembymeansofcomputerforworkingplatform,shirt-sleeveapplicationofelectronictechnology,computertechnologyandinformationprocessingandintelligenttechnologytothelatestachievementsofelectronicproducts,theautomaticdesign.
UsingEDAtools,electronicstylistcanbefromconcept,algorithm,agreement,etc,begintodesignyourelectronicsystemalotworkcanbefinishedbycomputerandelectronicproductscanbefromcircuitdesign,performanceanalysistodesigntheICterritoryorPCBlayoutthewholeprocessofthecomputerautomaticallycompletetheprocessing.
NowontheconceptofusingEDAorcategoryverywide.Includedinmachinery,electronics,communication,aerospace,chemical,mineral,biology,medicine,militaryandotherfields,haveEDAapplications.CurrentEDAtechnologyhasinbigcompanies,enterprises,institutionsandteachingresearchdepartmentsextensiveuse.Forexampleintheaircraftmanufacturingprocess,fromdesign,performancetestingandcharacteristicanalysisuntilaflightsimulator,allmayinvolveEDAtechnology.Globalization-theEDAtechnology,mainlyinelectroniccircuitdesign,PCBdesignandICdesign.
EDAcanbedividedintosystemlevelandcircuit-levelandphysicalimplementationlevel.
2EDAcommonlyusedsoftware
EDAtoolstoemergeinendlessly,nowenteringintoChinaandextensiveinfluenceofEDAsoftwareare:
multiSIM7(originalEWBthelatestversion),PSPICEOrCAD,PCAD,,,,,ViewlogicProtelwaslittle,Synopsys,LSIIogic,MicroSimCadence,etc.Thesetoolsarestrongfunction,generallycanbeusedinseveralaspects,suchasmanysoftwarecanundertakecircuitdesignandsimulation,withintoandcanbeautomaticallyPCBlayoutwiring,outputvariousnetslistdocumentwithathirdpartysoftwareinterface.
Accordingtothemainfunctionbelowormainapplications,dividedintocircuitdesignandsimulationtools,PCBdesignsoftware,ICdesignsoftwareandPLDdesigntoolsandotherEDAsoftware,simpleintroduction.
2.1electroniccircuitdesignandsimulationtools
Wemayhaveusedtestplateorotherthingshasproducedsomeelectronicmakingtocarryonthepractice.Butsometimes,wewillfindittohavealotofquestions,didn'tthink,sotheywastedalotofourtimeandmaterials.Andincreasesproductdevelopmentcycleandlastedproducttime-to-markettransformsproductlosemarketcompetitiveadvantage.HavetouseDianLaoTietestplatecanknowtheresultsofmethod?
Conclusionthereis,thisiscircuitdesignandsimulationtechnology.
Saytotheelectroniccircuitdesignandsimulationtoolsofthistechnology,withoutmentioningAmerica,havetomentiontheirplanedesignwhyhashighefficiency.Beforeourfinalizethedesignamedium-sizedplanedesignfromthedrafttothedetaileddesigntothewindtunneltesttofinallygivesapicturetotheactualoperation,thecycleisaboutto10years.TheUnitedStatesis1year.Whyistheresuchahugegap?
BecauseAmericainthedesignmostUSESisthevirtualsimulationtechnology,andtheyearsofaccumulationofvariouswindtunneltestparametersinputcomputer,thenthroughcomputerprogrammingcompileavirtualenvironmentofsoftware,andmakeitcanautomaticgamecomponentrelatedformulaandcallafterlong-termaccumulatedinputcomputerrelatedexperienceparameters.Thus,aslongastheaircraftshapeprogramdatainthevirtualwindtunneltestsoftware,whereunreasonablehavechangesthere,untilthebesteffect,theefficiencyhigh,endaslongasnaturalagainintheactualenvironmenttestseveraltimeslookforshortagecanfinalizethedesign,fromtheirBoeing747tousF16areusingthismethod.Aerodynamicallydatabyseniorexpertstoprovide,softwaredevelopersisIBM,aircraftdesignengineerjustusingsimulationsoftwareincomputerplatformofvarioussimulativedebuggingcan.Similarly,theymanyotherthingsareadoptedsuchsimilarmethod,fromlargetosmall,fromcomplextosimple,evenincludingthedesignoffurnitureandcomposition,justspecificsoftwaredifferentcontents.Infact,theyinventedthefirstgenerationofcomputersisthispurpose(itistoefficientdesignartilleryandrelatedshellsandotherlargeamountofcalculationofdesign).
ElectroniccircuitdesignandsimulationtoolsincludingSPICE/PSPICE;MultiSIM7;Matlab,SystemView;MMICADLiveWire,Edison,TinaProwhoSparketc.Thefollowingsimpleintroducedthefirstthreesoftware.
(1)theSPICESimulationdone-account(vehicle):
EmphasisislaunchedbytheuniversityofCalifornia,CircuitanalysisSimulationsoftware,the1980stheworldthemostwidelyappliedCircuitdesignsoftware,1998wasdesignatedastheAmericannationalstandards.In1984,theUnitedStatesMicroSimcompanylaunchedmicrocomputerversionPSPICEbasedontheSPICE(Personal-SPICE).Nowusemorer,cansayisPSPICE6.2amongsimilarproducts,itisthemostpowerfulanaloganddigitalcircuithybridsimulationEDAsoftware,indomesticcommonlyused.ThelatesttoreleasethePSPICE9.1version.Itcanundertakevariouskindsofcircuitsimulation,incentiveestablish,temperatureandnoiseanalysis,simulationcontrol,waveformsoutput,dataoutput,andinthesamewindowinsidealsoshowedanaloganddigitalsimulationresults.Nomatterwhatkindofdevicewhichcircuitsimulation,allmayobtainaccuratesimulationresults,andmayindependentlyestablishcomponentsandcomponentlibraries.
(2)thelatestversionofEWBmultiSIM(add)software:
isInteractiveTechnologiesLtdin20thcenturyrollsoutcircuitsimulationsoftware.ItsnewesteditionismultiSIM7,currentlyinwidespreaduseismultiSIM2001,relativetootherEDAsoftware,ithasmoreimageintuitiveman-machineinterface,especiallyitsinstrumentrepositoryeachinstrumentoperationandrealinarealexperimentinstrument,butitdonotdiffercompletelytomodulecircuitofhybridsimulationfunctionbutnoless,canalmost100%emulationproducerealcircuit,anditresultsininstrumentrepositoryalsoprovidesamultimeter,signalgenerator,watttable,dualtraceroscilloscope(formultiSIM7alsohasfourstepsoscilloscope),potterinstrument(quiteactuallyofsweepingfrequencyinstrument),wordssignalgenerator,thelogicalanalyzer,logictransitionmeter,thedistortiondegreeanalyzer,spectrumanalyzer,networkanalyzerandvoltmeterandammeteretcinstrumentation.Alsoprovidesourdailycommonvariousmodelingaccuratecomponents,suchasresistors,capacitors,andinductors,triode,diodes,relays,SCR,digitaltubeetc.Analogintegratedcircuitshaveallsortsofoperationalamplifiers,othercommonintegratedcircuits.Digitalcircuithas74seriesintegratedcircuits,4000seriesintegratedcircuits,etcalsosupportthehomemadecomponents.MultiSIM7alsohasi-vanalyzer(equivalenttoreal-worldtransistorcharacteristicsshowninstrument)andAgilentsignalgenerator,Agilentmultimeter,Agilentoscilloscopeanddynamiclogicflatpenetc.AtthesametimeitalsocanVHDLsimulationandVerilogHDLsimulation.
(2)MATLABoneoftheproductfamily:
theyhavemanycharacteristicsisfacingthespecificapplicationoftoolboxandsimulationblock,containsthecompletefunctionsetsusedtoimagesignalprocessing,controlsystemdesign,neuralnetwork,andotherspecialapplicationanalysisanddesign.IthasadataacquisitionandreportgenerationandMATLABlanguageprogramminggenerateindependentC/C++code,andotherfunctions.MATLABproductfamilyhasthefollowingfeatures:
dataanalysis,Numericalcalculationandsymbols,engineeringandscientificdrawing,Controlsystemdesign,Digitalimagesignalprocessing,Financialengineering;Modeling,simulationandprototyping,Applicationdevelopment,Graphicaluserinterfacedesign,etc.MATLABproductfamilyarewidelyusedinsignalandimageprocessing,controlsystemdesign,communicationsystemsimulation,etc.OpenthestructureoftheMATLABproductfamilyeasilyspecificrequirementsforexpansion,inordertodeepentheunderstandingoftheproblemsatthesametime,toimprovetheirowncompetitiveness.
2.2PCBdesignsoftware
PCBBoard(maritime-thevehicle)designsoftwareisalotofmorephyletic,suchasProtel,OrCAD,Viewlogic,PowerPCBCadencePSD,MentorGraphices,theExpeditionPCB,ZukenCadStart,Winboard/Windraft/Ivex-SPICE,PCBStudio,TANGO,PCBWizard(withLiveWiresupportingthePCBproductionpackage),ultiBOARD7(withmultiSIM2001supportingthePCBproductionpackage),etc.
Inourcountryatpresentismostusedwhengenera,belowthisonlyProtelsoftwareisintroduced.
ProtelisProtel(nowAltium)companyinthelate1980s,islaunchedCADtoolsPCBdesigner'spreferredsoftware.Itearlierinthedomesticuse,penetrationrateishighest,inmanylargeandsecondarytechnicalschoolstechnicallystillopencircuitprofessionalcourses,almostwhereProtelcircuitcompaniesmustusei
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