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22 个结果
  • 简介:这篇论文是更早的报纸的扩展[8,9]在某域Ω⊂上的函数的“本国”的Hilbert空格Rd在哪个有条件地积极的明确的核正在复制核。这里,焦点在经由Ω的子集被导致的本国的空格的潜水艇空格,并且我们将导出这些的递归的潜水艇空间结构复制核定义,递归地导致。作为一个应用程序,我们旁边得到为插值的递归的Neville-Aitken-type插值进程和一个递归地定义的直角的基础内核翻译。

  • 标签: 递归 希尔伯特空间 文件扩展名 插值过程 条件正定 子空间
  • 简介:InthispaperitisstudiedthatthegeneratedtheoryofwaverecursiveinterpolationofuniformT-subdivi-stonschemeincludewaveparameter.ThepaperanalysestheconvergenceofsequencesofcontrolpolygonsproducedbywaverecursiveinterpolationT-subdivisionschemeoftheformj=l,2,…,T-1;m=O,l,…,nTk;k=0,l,2,…,anddifferentiabilityofthelimitcurve.

  • 标签: 厂界 二外 气户 二价 八一 合一
  • 简介:Therecursivestructureandquasi-recursivestructureofAdaptiveVolterraFil-ter(AVF)areputforward,theiralgorithmsaregiven,andtheircharacteristicsandapplicationsarediscussed.TheintroductionofrecursivestructurecanremarkablyreducetheparametersandcomputationalcostofAVF.

  • 标签: Adaptive FILTERS System identification Noise elimination/volterra
  • 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??

  • 标签: 频分多址 数字预矫正 回归算法 功率放大器线性化 多项式预矫正电路
  • 简介:ItisprovedthatalinearlyrecursivesequenceofnindiceaoverfieldF(n≥1)isautorntaticallyaproductofnlioearlyrecurplvesequenceaof1-lndexoverFbythetheoryofHopfalgebras.Bytheway,thecorrespondencebetweenthesetoflinearlyrecursivesequenoesof1-indexandF[X]^0isgeneralisedtothecaseofn-index.

  • 标签: 霍普夫代数分支 线性回归序列 回归相关 上代数
  • 简介:AssumingthataVoronoidiagramofsliceareaisobtained,topologicalstructuresofallVoronoiedgesandVoronoipolygonsareusedtoacceleratetheoffsettingprocess.OncewalklineintersectswithoneofVoronoiedgesofthestartingVoronoiobject,thenextstartingVoronoiobjectisacquiredthroughthetopologyrelationship.Experimentalresultsshowtheapproachiseffectiveandsimple.

  • 标签: CAD/CAM OFFSETTING VORONOI DIAGRAM RECURSIVE selective
  • 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.

  • 标签: 动态模拟器 求解器 多体动力学 递归 MATLAB环境 工业机械手
  • 简介:Inthispaper,anewrecursivealgorithmofadaptivearrayweightvectorsanditssystolicarrayimplementingstructureisproposed,whichisbasedontheQRdecompositionalgorithmsandtheideaofalgorithmicengineering.Thealgorithmcanrealizefullyparallelandpipelineprocessing.

  • 标签: ADAPTIVE ARRAY RECURSIVE ALGORITHM SYSTOLIC ARRAY
  • 简介:Inthispaper,arecursivequadraticprogrammingalgorithmisproposedandstudied.ThelinesearchfunctionsusedaxeHan'snondifferentiablepenaltyfunctionswithasecondoederpenaltyterm.InordertoavoidmaratoseffectFukushima'smixeddirectionisusedasthedirectionoflinesearch.Finally,weprovetheglobalconvergenceandthelocalsecondorderconvergenceofthealgorithm.

  • 标签: 不可微罚函数 递归二次规划法 非线性规划 线搜索
  • 简介:ThemainobjectiveofthisworkistodecomposeorthogonallythereproducingkernelsHilbertspaceusinganyconditionallypositivedefinitekernelsintosmalleronesbyintroducingthetheoryofpowerkernels,andtoshowhowtodothisdecompositionrecursively.Itmaybeusedtosplitlargeinterpolationproblemsintosmalleroneswithdifferentkernelswhicharerelatedtotheoriginalkernels.Toreachthisobjective,wewillreconstructthereproducingkernelsHilbertspaceforthenormalizedandtheextendedkernelsandgivetherecursivealgorithmofthisdecomposition.

  • 标签: 再生核HILBERT空间 电力 递推 正交分解 插值问题 递归算法
  • 简介:AbstractIntheparametertrackingoftime-varyingsystems,theordinarymethodisweightedleastsquareswiththerectangularwindowortheexponentialwindow.Inthispaperweproposeanewkindofslidingwindowcalledthemultipleexponentialwindow,andthenuseittofittime-varyingGaussianvectorautoregressivemodels.Theasymptoticbiasandcovarianceoftheestimatoroftheparameterfortime-invariantmodelsarealsoderived.Simulationresultsshowthatthemultipleexponentialwindowshavebetterparametertrackingeffectthanrectangularwindowsandexponentialones.

  • 标签: EXPONENTIAL WINDOW rectangular WINDOW MULTIPLE EXPONENTIAL
  • 简介:Order-recursiveleast-squares(ORLS)algorithmsareappliedtotheprob-lemsofestimationandidentificationofFIRorARMAsystemparameterswhereafixedsetofinputsignalsamplesisavailableandthedesiredorderoftheunderlyingmodelisunknown.Onthebasisofseveraluniversalformulaeforupdatingnonsymmetricprojec-tionoperators,thispaperpresentsthreekindsofLSalgorithms,callednonsymmetric,symmetricandsquarerootnormalizedfastORLSalgorithms,respectively.Astotheau-thors’knowledge,thefirstandthethirdhavenotbeensofarprovided,andthesecondisoneofthosewhichhavethelowestcomputationalrequirement.Severalsimplifiedversionsofthealgorithmsarealsoconsidered.

  • 标签: SIGNAL processing PARAMETER estimation/fast RECURSIVE LEAST-SQUARES
  • 简介:Arecursiveidentificationmethodisproposedtoobtaincontinuous-timestate-spacemodelsinsystemswithnonuniformlysampled(NUS)data.Duetothenonuniformsamplingfeature,thetimeintervalfromonerecursionsteptothenextvariesandtheparameterisalwaysupdatedpartiallyateachstep.Furthermore,thisidentificationmethodisappliedtoformacombineddatacompressionmethodinNUSprocesses.Thedatatobecompressedarefirstclassifiedwithrespecttoaseriesofpotentiallyexisting(possiblytime-varying)models,andthenmodeledbytheNUSidentificationmethod.Themodelparametersarestoredinsteadoftheidentificationoutputdata,whichmakesthefirstcompression.Subsequently,asthesecondstep,theconventionalswingingdoortrendingmethodiscarriedoutonthedatafromthefirststep.Numericresultsfromsimulationaswellaspracticaldataaregiven,showingtheeffectivenessoftheproposedidentificationmethodandfoldincreaseofcompressionratioachievedbythecombineddatacompressionmethod.

  • 标签: 过程数据压缩 非均匀采样 递推辨识 采样系统 状态空间模型 识别方法
  • 简介:Inthispaper,theproblemofParameterestimationinlineardelayedsystemsfromsampleddataistreated.Usingnumericalintegraloperation(NIO),anidentificationmodelwhichisparametrizeddirectlyinthelineardelayedsystempa-rametersisgot.Withtheleastsquare(LS)methodortheinstrumentalvariable(Ⅳ)method,therecursivealgorithmofparameterestimationisgiven.Theresultoftheillustratedexampleshowsthatthisalgorithmissimple,rapidandaccurrate.

  • 标签: PARAMETER estimation LINEAR DELAYED systems NUMERICAL
  • 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。

  • 标签: 模型刻度 锂铁磷酸盐电池 电的车辆(EV ) 扩大 Kalman 过滤
  • 简介:Usingrecursivemethod,thispaperstudiesthequeuesizepropertiesatanyepochn+inGeom/G/1(E,SV)queueingmodelwithfeedbackunderLASDA(latearrivalsystemwithdelayedaccess)setup.Somenewresultsabouttherecursiveexpressionsofqueuesizedistributionatdifferentepoch(n+,n,n-)areobtained.Furthermoretheimportantrelationsbetweenstationaryqueuesizedistributionatdifferentepochsarediscovered.TheresultsaredifferentfromtherelationsgiveninM/G/1queueingsystem.Themodeldiscussedinthispapercanbewidelyappliedinmanykindsofcommunicationsandcomputernetwork.

  • 标签: 反馈模型 休假排队 递归 M/G/1排队系统 SV 服务器
  • 简介:帮助递归的最少的广场(RLS)的平行干扰取消(照片)算法被建议在直角的频率部门multiplexing(OFDM)由于搬运人频率偏移量(CFO)取消干扰系统。建议算法由二个阶段组成,它是RLS计划和照片计划。RLS计划被选择在第一个阶段在时间领域补偿频率偏移量,并且干扰由剩余频率偏移量导致了被PIC计划在第二个阶段在频率领域取消。位错误率(BER)的结果证明它的性能作为比较标准为取消是柔韧的,尽管频率偏移量是0.45。16QAM星座也被模仿从建议抑制计划观察改进。

  • 标签: 递推最小二乘算法 载波频率偏移 并行干扰抵消 OFDM 递归最小二乘 并行干扰消除