简介：Researchonjumpregressionfunc(?)onshasnotbeenadequateyetAccordingtotheinformationaboutthenumberofjumps,theirpositionsandjumpmagnitudes,jumpregressionfunctionscanbeclassifiedintoeighttypes.Thispaperdealsespeciallywiththesecondjumpregressionfunction.Firstofall,aconceptoftrimmedsplineestimateisproposedandwithitanL~2-consistentestimateofthesmoothingpartofthejumpregressionfunctionisobtained.ThisalongwiththeL~2-consistentestimateofjumpmagnitudeconstitutesanestimateofthesecondjumpregressionfunction.Thispaperdiscussesalsothecasethatthejumppositionshavesomeindeterminacy.Anewcriterionissuggestedanditsuniquesolutionderived.Intheend,afewnumericalresultsaregiven.

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简介：Inthisnote,wegiveanecessaryandsufficientconditionforviabilitypropertyofdiffusionprocesseswithjumpsonclosedsubmanifoldsofR~m.OurresultisthesystemisviableinaclosedsubmanifoldKiffthecoefficientsaretangenttoKalongKiftheequationisinthesenseofstratonovichintegralandthesolutionjumpsfromKtoK.

简介：Westudyexperimentallyandtheoreticallytheplanardynamicsofpurelyrollingprismsonaroughramp,wheretherollingmotionisinterruptedintermittentlybyedgeimpacts.Theexperimentswerecarriedoutforprismsmadeofdifferentmaterialsandhavingdifferentgeometries.Wefoundthattheangularvelocitiesoftherollingprismsarematerial-independent,buttheychangesignificantlywiththeirgeometry.Wemodelledthedynamicsofedgeimpactsbyconsideringasocalleddetachmentfrontpropagatingacrossthecontactinterface.Thedetachmentfrontrepresentsthemovingboundarybetweenadetachedregionandastressregionthatcoexistwithintheinterfaceplane.Thetheoreticalanalysisindicatesthatthedetachmentfrontcanbecharacterizedbyascalenumber,whosevalueconvergesto0.4050forprismshavinglargenumberofedges.Anewjumpruleforedgeimpactsisthendeveloped,bywhichwecanaccuratelyreproducetheexperimentalobservations,andexplainwhythemotionoftheprismismaterial-independent.

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简介：TheexponentialpassivefilteringproblemforaclassofnonlinearMarkovjumpsystemswithuncertaintiesandtime-delaysisstudied.Theuncertainparametersareassumedunknownbutnormbounded,andthenonlinearitiessatisfythequadraticcondition.Basedonthepassivefilteringtheory,thesufficientconditionfortheexistenceofthemode-dependentpassivefilterisgivenbyanalyzingthereconstructedobserversystem.ByusingtheappropriateLyapunov-Krasovskiifunctionandapplyinglinearmatrixinequalities,thedesignschemeofthepassivefilterisderivedanddescribedasanoptimizationone.Thepresentedexponentialpassivefiltermakestheerrordynamicsystemsexponentiallystochasticallystableforalltheadmissibleuncertainties,time-delaysandnonlinearities,hasthebetterabilitiesofstatetrackingandsatisfiesthegivenpassivenormindex.Simulationresultsdemonstratethevalidityoftheproposedapproach.

简介：<正>Thisnoteisdevotedtothestudyofthestochasticcomparabilityofjumpprocesses.Onthebasisof[2]and[3],itisprovedthattwojumpprocessesarestochasticallycomparableifandonlyiftheirq-pairsarecomparable.Meanwhile,theresultconcerningtheuniquenessgivenin[6]isalsoimprovedupon.

简介：在这篇文章，作者在无限的尺寸在随机的方程的一个班的法律证明唯一，然后，我们使用它建立不变的措施的存在和唯一概括了随机的部分微分方程由L使不安吗？？

简介：AclassofhybridjumpdiffusionsmodulatedbyaMarkovchainisconsideredinthiswork.Themotivationstemsfrominsuranceriskmodels,andemergingapplicationsinproductionplanningandwirelesscommunications.Themodelsarehybridinthattheyinvolvebothcontinuousdynamicsanddiscreteevents.Undersuitableconditions,asymptoticexpansionsofthetransitiondensitiesfortheunderlyingprocessesaredeveloped,Theformalexpansionsarevalidatedandtheerrorboundsobtained.

简介：Throughaseriesofmodeltestsoffivescalesfor2-Dfreehydraulicjump,theda-taoffluctuatingpressureactingonthefloorlevelwithinthehydraulicjumpwereobtained.Dur-ingtheexperiments,Froudenumbervariedfrom2.94to8.61,andReynoldsnumberrangedfrom2×10~4to6×10~5.Experimentresultsindicatethattheamplitudescaleoffluctuatingpres-sureisthelengthscaleofmodel,i.e.P’=L,whichagreeswithgravitysimilaritylaw:Thefrequencyscaleofthefluctuatingpressureisaunityi.e.,f=1,whichdoesnotsatisfythegravitysimilaritylaw.

简介：Travelingandstationaryinternalhydraulicjumpsindensitycurrentswithpositiveornegativeentrainmentcoefficientswereanalyzedbasedonsimpleassumptions.Anexpressionofinternalhydraulicjumpswithentrainmentcoefficientswasderived.Experimentaldata,publishedinliterature,ofstationaryinternalhydraulicjumpsinturbid,thermalandsalinedensitycurrentsincludingmeasuredvaluesofwaterentrainmentwereusedtocomparewiththeory.Comparisonwasalsomadeoftravelinginternalhydraulicjumpsbetweenmeasureddataandtheory.

简介：Itisidentifiedthatbarelypassingelectronsarethedriveofthee-Gshbones,ratherthanthebarelytrappedelectronsatlowfrequency.Thefrequencyjumpine-Bshboneexperimentsisreproducedandanalyzed.Itisfoundthatthee-Bshbonefrequencyincreaseswiththehotelectronenergy,whichisconsistentwiththeexperiments.Thegrowthrateofthemode(m=2,n=2)isgreaterthanthatofthemode(m=1,n=1).

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简介：ThispaperisconcernedwithstateestimationproblemforMarkovjumplinearsystemswherethedisturbancesinvolvedinthesystemsequationsandmeasurementequationsareassumedtobeGaussiannoisesequences.Basedontwopropertiesofconditionalexpectation,orthogonalprojectivetheoremisappliedtothestateestimationproblemoftheconsideredsystemssothatanovelsuboptimalalgorithmisobtained.ThenoveltyofthealgorithmliesinusingorthogonalprojectivetheoreminsteadofKalmanfiltersto...

简介：这份报纸与有超分布的jumps为一个反映的两方面的跳散开风险模型学习第一个经过时间问题。作者为反映的进程的第一经过时间和overshoot的联合Laplace变换给明确的靠近形式的表达式。最后，公式在障碍红利策略和俄语的选择的定价下面被用于毁灭问题。

简介：ResearchersinthepasthadnoticedthatapplicationofArtificialNeuralNetworks(ANN)inplaceofconventionalstatisticsonthebasisofdataminingtechniquespredictsmoreaccurateresultsinhydraulicpredictions.MostlytheseworkspertainedtoapplicationsofANN.Recently,anothertoolofsoftcomputing,namely,GeneticProgramming(GP)hascaughttheattentionofresearchersincivilengineeringcomputing.ThisarticleexaminestheusefulnessoftheGPbasedapproachtopredicttherelativescourdepthdownstreamofacommontypeofski-jumpbucketspillway.ActualfieldmeasurementswereusedtodeveloptheGPmodel.TheGPbasedestimationswerefoundtobeequallyandmoreaccuratethantheANNbasedones,especially,whentheunderlyingcause-effectrelationshipbecamemoreuncertaintomodel.

简介：Atheoreticalstudywasconductedtocharacterizehydraulicjumpoflaminarcircularliquidjets.Theobjectiveofthisresearchwastodeterminethejumplocationinasimpleexplicitform,Theeffectsofmanyfactorswereinvestigatedincludingnozzlediameter,jetexitpressure,nozzle-to-platespacing,jetvelocityandReynoldsnumber,ItwasfoundthatthetheoreticaldatacollapsedwellovertherangeofjetReynoldsnumber500≤Re≤1800withpreviousdata.