微波無源電路仿真技術(shù)課件

場計(jì)算器場計(jì)算器1場計(jì)算器基本界面AtoolforperformingmathematicaloperationsonALL

savedfielddatainthemodeledgeometryE,H,J,andPoyntingdataavailablePerformoperationsusingdrawinggeometryornewgeometrycreatedinPost3Performoperationsatsinglefrequency(interpolatingordiscretesweeps)orotherfrequencies(fastsweep)Generatenumerical,graphical,geometricalorexportabledataVBS-enabled場計(jì)算器基本界面Atoolforperforming2表達(dá)式操作區(qū)指定數(shù)據(jù)關(guān)聯(lián)場計(jì)算器操作區(qū)場計(jì)算器分區(qū)表達(dá)式操作區(qū)指定數(shù)據(jù)關(guān)聯(lián)場計(jì)算器操作區(qū)場計(jì)算器分區(qū)3表達(dá)式操作區(qū)建立表達(dá)式使用“Add”鍵，由場計(jì)算器堆棧導(dǎo)入表達(dá)式；使用“LoadFrom”鍵，由場計(jì)算器表達(dá)式文件（*.clc）導(dǎo)入表達(dá)式；輸出表達(dá)式使用“Copytostack”鍵，將已存在的表達(dá)式導(dǎo)出到場計(jì)算器堆棧；使用“Saveto”鍵，將已存在的表達(dá)式保存成場計(jì)算器表達(dá)式文件（*.clc）；表達(dá)式操作區(qū)建立表達(dá)式4指定關(guān)聯(lián)區(qū)指定場計(jì)算器使用數(shù)據(jù)的出處。指定求解設(shè)置指定場類型；指定頻率指定相位指定關(guān)聯(lián)區(qū)指定場計(jì)算器使用數(shù)據(jù)的出處。5基本面板StackOperations:ButtonformanipulatingstackDatastack:Containscurrentandsavedentriesinascrollingstacksimilartoahand-heldscientificcaculator.CalculatorFunctions:Orgnizedgroupingsofalltheavaliablecalculatorfunctionsinbuttonformat.Somebuttonscontainfurtheroptionsasdrop-downmenusStatusBar(notcurrentlyshown):基本面板StackOperations:Datastac6數(shù)據(jù)類型ThecalculatiorvcanmanipulatemanydifferenttypesofdataGeometricComplexVectorScalarDatatypesareindicatedinthecalculatorstackforeachentryMostcalculatoroperationsareonlyavailableontheappropriatedatatype(s)GeometricsurfacegeneratedalongEfieldiso-valuecontourVectordataoutputtoaplanegeometryScalarE-fielddatagraphedalongalinegeometry數(shù)據(jù)類型Thecalculatiorvcanmanip7數(shù)據(jù)顯示EachstackentrywillbeprecededbyauniquecodedenotingitsdatatypeMathematical:CVc:ComplexVectorVec:VectorCSc:ComplexScalarScl:ScalarGeometric:Pnt:PointLin:LineSrf:SourfaceVol:VolumeCombinationscanalsoexistE.g.“SclSrf”:ScalardatadistributedonaSurfacegeometryCACULATORUSAGEHINT:Mostdatainputtypeswillbeself-explanatory,e.g.EandHfieldsbeingphasorquantitieswillbeComplexVector(CVc).TheonlyexceptiontothisruleisthePoyntinginput,Whichwillshowupasa“CVc”eventhoughEXH*shouldhavenoimaginarycomponent.Thecalculatoronlyknowsthattwocomplexvectorwerecrossed,anddoesnotknowaheadoftimethattheimaginarycomponenthasbeenzeroed.數(shù)據(jù)顯示Eachstackentrywillbep8堆棧面板的細(xì)節(jié)AsdataisenteredintothecalculatoritappearsattheTOPofthestack,pushingolderentriesDOWNUNDOattemptstotakebackthelastoperationbetweenstackenties.Itmaynotworkforalldatatypes(e.g.theresultofapuremathoperationcannotbereversed)CLEARdeletesALLentriesfromthestackuponconfirmationEXCHexchangesorswapsthetoptwostackentriesPUSHduplicatesthetopstackentryPOPdeletesthetopentryoffthestackRLDN“rolls”thestackdownward,movingthetopentrytothebottomRLUP“rolls”thestackupward,movingthebottomentrytothetop堆棧面板的細(xì)節(jié)Asdataisenteredinto9面板細(xì)節(jié)-工作鍵SCALAROUTPUTVECTORGENERALINPUT

Allcalculatoroperationsareorgnizedintocolumnsclassifyyingthembythetypeofoperationandthetypeofthedatauponwhichtheoperationcanbeperformed.面板細(xì)節(jié)-工作鍵SCALAROUTPUTVECTORGENE10場計(jì)算器用法UsejustlikeascientificcalculatorSimilartoHPscientificcalculators“FirstQuantity”,”SecondQuantity”Then“Operation”RememberstackfillsfromtheTopandpushesoldercontentsbelow.GeneraluseprogressesfromlefttorightInputquantityorquantitiesatleftPerformoperationsinmiddleOperatebetweenquantities;applyquantitiestogeometries,etc.Definedesiredoutputtypeatright.CalculatorUsageHINT:

AnyTimeyouusethefieldpost–processortoplotaquantity(PlotFields),youareactuallyperformingoperationsusingthecalculator!!Toseethestepsthatwentintothegeneratingtheplotyoujustcreated,openthecalculatorinterfaceandviewthestackcontents.Thiscanoftenhelpguideyouasyoutrytousethecalculatortocreatedyourowncustomoutputs.場計(jì)算器用法Usejustlikeascientif11改變數(shù)據(jù)類型Asdiscussedpreviously,Manyoperationsmustbeonthecorrectdatatype.Manyoperationsresultinadifferentdatatypethantheinputs.Ex1:TheDot

productoftwoVectorisaScalar.Ex2:ObtainingtheUnitVec

NormaltoaSurfGeneratesaVector.Somecalculatorbuttonsexistprimarilytoassistintypeconversion.Vec?ConvertsScltoVecdataScal?DoesthereverseCmplx

RealorCmplx

ImagtakesaSclcomponentfromaCScorCVc.Cmplx

CmplxRorCmplx

CmplxItakeaVecorSclcomponentandmakeittherealorimaginarypartofacomplexvalueCVcorCSc,respectively.Alwaysthinkofwhattypeofdatayouareworkingwithandwhetherornotitiscompatiblewithyourdesiredoperation.Forexample,nottheINTEGRALsignisintheScalarcolumn,implyingthattointegratecomplexnumbersyouwillhavetointegratetherealandimaginarycomponentsseparately,performinganintegrationbyparts.改變數(shù)據(jù)類型Asdiscussedpreviously,12輸入量類型TheavailablefieldinputsareE:ThecomplexvectorEfielddataeverywhereinthemodeledgeometry;H:ThecomplexvectorHfielddataeverywhereinthemodeledgeometry;Poynting:Thetime-averagePoyntingvectorcomputedfromaboveas(E×H*):Jvol:Currentdensityinavolume,computedas(σ+jωε”)Ewhichcontainbothconductionanddisplacementcurrent;Jsurf:Netsurfacecurrentcomputedasn×(H|toptetrahedra-H|bottomtetrahedra):Unlikeotherquantities,Jsurfcanonlybeoutputonanobjectsurfacegeometry.EandHarePeakPhasorrepresentationofthesteadystatefields.ThereforethecurrentrepresentationJderivedfromn×HorσEarealsopeakphasorquantities.ThePoyntingVectorinputisatime-averagedquantity.輸入量類型Theavailablefieldinput13場計(jì)算器輸出DifferentdataoutputcanbegenerateddependingonselectedOutputcolumnbuttonandstackcontent(s):Valueisusedtotakethe“value”ofafieldstackentryonaspecificgeometry;Evalturnstackplaceholdertextintofinalnumericalanswer;WriteandExportoutputsstackdatatooutputfileformatsforuseoutsidethecalculatororcurrentproject.場計(jì)算器輸出Differentdataoutputca14場計(jì)算器應(yīng)用實(shí)例（1）InteractionImpedance:CalculatingPointCutPlaneβZ=2π/λgλg=vp/f場計(jì)算器應(yīng)用實(shí)例（1）InteractionImpedan

色散特性模擬HFSS三維仿真軟件能提供周期邊界條件仿真無限長慢波系統(tǒng)的色散特性。使用周期邊界條件仿真時(shí)只需要建一個(gè)螺旋周期的模型，并指定一個(gè)慢波周期的相移

，利用HFSS的本征模求解器計(jì)算出最低模的諧振頻率

，通過下面的公式就可求出相速

。其中，是空間基波的相位傳播常數(shù)，是螺旋線的螺