简介:InthispaperitisstudiedthatthegeneratedtheoryofwaverecursiveinterpolationofuniformT-subdivi-stonschemeincludewaveparameter.ThepaperanalysestheconvergenceofsequencesofcontrolpolygonsproducedbywaverecursiveinterpolationT-subdivisionschemeoftheformj=l,2,…,T-1;m=O,l,…,nTk;k=0,l,2,…,anddifferentiabilityofthelimitcurve.
简介:Therecursivestructureandquasi-recursivestructureofAdaptiveVolterraFil-ter(AVF)areputforward,theiralgorithmsaregiven,andtheircharacteristicsandapplicationsarediscussed.TheintroductionofrecursivestructurecanremarkablyreducetheparametersandcomputationalcostofAVF.
简介:在这篇文章,基于最不方形的评价,为间接学习结构predistorter的一个递归的算法被介绍。模拟结果显示出所有多项式predistorter的非线性的术语,高顺序(比7th顺序高)非线性的术语是那么次要的他们能在实际predistorter被省略设计。那么,与高顺序的多项式构造predistorter是不必要的,并且算法将总是是稳定的。进一步的结果证明甚至当15th顺序多项式模型被使用时,算法在10次重复以后是会聚的,并且它能由64dB改进20MHz带宽信号的外面乐队光谱,与一1.2???????????????儠卯吗??
简介:ItisprovedthatalinearlyrecursivesequenceofnindiceaoverfieldF(n≥1)isautorntaticallyaproductofnlioearlyrecurplvesequenceaof1-lndexoverFbythetheoryofHopfalgebras.Bytheway,thecorrespondencebetweenthesetoflinearlyrecursivesequenoesof1-indexandF[X]^0isgeneralisedtothecaseofn-index.
简介:AssumingthataVoronoidiagramofsliceareaisobtained,topologicalstructuresofallVoronoiedgesandVoronoipolygonsareusedtoacceleratetheoffsettingprocess.OncewalklineintersectswithoneofVoronoiedgesofthestartingVoronoiobject,thenextstartingVoronoiobjectisacquiredthroughthetopologyrelationship.Experimentalresultsshowtheapproachiseffectiveandsimple.
简介:Recursiveformulationshavesignificantlyhelpedinachievingreal-timecomputationsandmodel-basedcontrollaws.Therecursivedynamicssimulator(ReDySim)isaMATLAB-basedrecursivesolverfordynamicanalysisofmultibodysystems.ReDySimdelvesuponthedecouplednaturalorthogonalcomplementapproachoriginallydevelopedforserial-chainmanipulators.Incomparisontothecommerciallyavailablesoftware,dynamicanalysesinReDySimcanbeperformedwithoutcreatingsolidmodel.TheinputparametersarespecifiedinMATLABenvironment.ReDySimhascapabilitytoincorporateanycontrolalgorithmwithutmostease.Inthiswork,thecapabilitiesofReDySimforsolvingopen-loopandclosed-loopsystemsareshownbyexamplesofroboticgripper,KUKAKR5industrialmanipulatorandfour-barmechanism.ReDySimcanbedownloadedforfreefromhttp://www.redysim.co.nrandcanbeusedalmostinstantly.
简介:Inthispaper,anewrecursivealgorithmofadaptivearrayweightvectorsanditssystolicarrayimplementingstructureisproposed,whichisbasedontheQRdecompositionalgorithmsandtheideaofalgorithmicengineering.Thealgorithmcanrealizefullyparallelandpipelineprocessing.
简介:Inthispaper,arecursivequadraticprogrammingalgorithmisproposedandstudied.ThelinesearchfunctionsusedaxeHan'snondifferentiablepenaltyfunctionswithasecondoederpenaltyterm.InordertoavoidmaratoseffectFukushima'smixeddirectionisusedasthedirectionoflinesearch.Finally,weprovetheglobalconvergenceandthelocalsecondorderconvergenceofthealgorithm.
简介:ThemainobjectiveofthisworkistodecomposeorthogonallythereproducingkernelsHilbertspaceusinganyconditionallypositivedefinitekernelsintosmalleronesbyintroducingthetheoryofpowerkernels,andtoshowhowtodothisdecompositionrecursively.Itmaybeusedtosplitlargeinterpolationproblemsintosmalleroneswithdifferentkernelswhicharerelatedtotheoriginalkernels.Toreachthisobjective,wewillreconstructthereproducingkernelsHilbertspaceforthenormalizedandtheextendedkernelsandgivetherecursivealgorithmofthisdecomposition.
简介:AbstractIntheparametertrackingoftime-varyingsystems,theordinarymethodisweightedleastsquareswiththerectangularwindowortheexponentialwindow.Inthispaperweproposeanewkindofslidingwindowcalledthemultipleexponentialwindow,andthenuseittofittime-varyingGaussianvectorautoregressivemodels.Theasymptoticbiasandcovarianceoftheestimatoroftheparameterfortime-invariantmodelsarealsoderived.Simulationresultsshowthatthemultipleexponentialwindowshavebetterparametertrackingeffectthanrectangularwindowsandexponentialones.
简介:Order-recursiveleast-squares(ORLS)algorithmsareappliedtotheprob-lemsofestimationandidentificationofFIRorARMAsystemparameterswhereafixedsetofinputsignalsamplesisavailableandthedesiredorderoftheunderlyingmodelisunknown.Onthebasisofseveraluniversalformulaeforupdatingnonsymmetricprojec-tionoperators,thispaperpresentsthreekindsofLSalgorithms,callednonsymmetric,symmetricandsquarerootnormalizedfastORLSalgorithms,respectively.Astotheau-thors’knowledge,thefirstandthethirdhavenotbeensofarprovided,andthesecondisoneofthosewhichhavethelowestcomputationalrequirement.Severalsimplifiedversionsofthealgorithmsarealsoconsidered.
简介:Arecursiveidentificationmethodisproposedtoobtaincontinuous-timestate-spacemodelsinsystemswithnonuniformlysampled(NUS)data.Duetothenonuniformsamplingfeature,thetimeintervalfromonerecursionsteptothenextvariesandtheparameterisalwaysupdatedpartiallyateachstep.Furthermore,thisidentificationmethodisappliedtoformacombineddatacompressionmethodinNUSprocesses.Thedatatobecompressedarefirstclassifiedwithrespecttoaseriesofpotentiallyexisting(possiblytime-varying)models,andthenmodeledbytheNUSidentificationmethod.Themodelparametersarestoredinsteadoftheidentificationoutputdata,whichmakesthefirstcompression.Subsequently,asthesecondstep,theconventionalswingingdoortrendingmethodiscarriedoutonthedatafromthefirststep.Numericresultsfromsimulationaswellaspracticaldataaregiven,showingtheeffectivenessoftheproposedidentificationmethodandfoldincreaseofcompressionratioachievedbythecombineddatacompressionmethod.
简介:Inthispaper,theproblemofParameterestimationinlineardelayedsystemsfromsampleddataistreated.Usingnumericalintegraloperation(NIO),anidentificationmodelwhichisparametrizeddirectlyinthelineardelayedsystempa-rametersisgot.Withtheleastsquare(LS)methodortheinstrumentalvariable(Ⅳ)method,therecursivealgorithmofparameterestimationisgiven.Theresultoftheillustratedexampleshowsthatthisalgorithmissimple,rapidandaccurrate.
简介:在这份报纸,有效模型结构一个秒顺序抵抗电容网络和简单地分析的开的电路电压对充电(SOC)的状态创作了地图被使用为电的车辆(EV)描绘一节锂铁磷酸盐电池的电压行为。作为结果,电池的过电位能用一个秒顺序电路网络被描绘,模型parameterization能在装载侧面的任何电池下面被认识到,没有一个特殊描述实验。以便保证好坚韧性,过滤的扩大Kalman被采用递归地实现刻度过程。涉及刻度算法的linearization在一种递归的形式通过周期性的衍生物被认识到。递归地校准的电池模型能精确地描出的确认结果表演在二不同短暂力量操作下面的电池电压行为调节。当SOC是相对低的时,与一个一阶的模型一起的比较显示递归地校准的秒顺序模型在电池SOC范围和更好的表演的主要部分有可比较的精确性。
简介:Usingrecursivemethod,thispaperstudiesthequeuesizepropertiesatanyepochn+inGeom/G/1(E,SV)queueingmodelwithfeedbackunderLASDA(latearrivalsystemwithdelayedaccess)setup.Somenewresultsabouttherecursiveexpressionsofqueuesizedistributionatdifferentepoch(n+,n,n-)areobtained.Furthermoretheimportantrelationsbetweenstationaryqueuesizedistributionatdifferentepochsarediscovered.TheresultsaredifferentfromtherelationsgiveninM/G/1queueingsystem.Themodeldiscussedinthispapercanbewidelyappliedinmanykindsofcommunicationsandcomputernetwork.