简介：1.INTRODUCTIONG.LadasandI.P.Stavroulakis[1]Consideroscillationofthesolutionsinfirstorderlineardelaydifferentialequationsbydifferentialinequalities.L.C.LinandG.Q.Wang[2]studiedtheoscillatorybehaviorofsolutionsinfirstorderlineardifferentialequationswithretardedarguments.I.P.Stavroulakis[3]studiedtheOscillationinfirstordernonlineardelaydifferentialequationswithretardedargumentsbynonlineardelaydifferentialinequalities.

简介：AccordingtothebullettionjointlypublishedbythenonGDPenergyconsump-StateStatisticBureau,NDRCandtheOfficeoftheStateEnergyLeadingGroup,thenationalspecificGDPenergyconsumption,thespecificGDPelectricityconsumptionandtheenergyconsumptionofthespecificindustrialgrowthwere1.22,1.22and2.59respectivelyin2005.Theauthoritiesconcernedexpressedthatthedatareleasedinthebulletinwillbetakenasthebaseforcalculatingthedecreaseratesofvariousindexes

简介：Operationalsoftwaresystemsoftenexperiencean'aging'phenomenon,characterizedbyprogressiveperformancedegradationandasuddenhang/crashfailure.Softwarerejuvenationisaproactivefault-tolerancestrategyaimedtopreventunexpectedoutagesduetoaging.Anewrejuvenationstrategybasedonmeasurementandtime,andconstructsaSRNmodeltoevaluatethisstrategy.Numericalresultsshowthatthisstrategyoutweighseitherthepurelymeasurementbasedorthepurelytime-basedstrategyandcaneffectivelyimprovesystemperformance.

简介：Thispaperanalyzesthedynamicsofnonlinearmultivariatetimeseriesmodelsthatisrepresentedbygeneralizedimpulseresponsefunctionsandasymmetricfunctions.Weillustratethemeasuresofshockpersistencesandasymmetriceffectsofshocksderivedfromthegeneralizedimpulseresponsefunctionsandasymmetricfunctioninbivariatesmoothtransitionregressionmodels.TheempiricalworkinvestigatesabivariatesmoothtransitionmodelofUSGDPandtheunemploymentrate.

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简介：Theequationoftime-domainwavepropagationindispersivemediaandtheexplicitbeampropagationmethodarepresentedinthispaper.Thismethodisdemonstratedbytheshortopticalpulsesinadirectionalcouplerwithsecondorderdispersiveeffectandshowstobeinfullagreementwithformerreferences.Thismethodissimple,easyandpractical.

简介：when与whattime都可以用来询问时间,相当于汉语的“什么时候”,它们有时能相互通用,但在多数场合下却不能通用。它们之间的异同点主要有三点:

简介：Inthispaperanewapproachisdevelopedtovaluelifeinsurancecontractsbymeansofthemethodofbackwardstochasticdifferentialequation.Suchavaluationmayrelaxcertainmarketlimitations.Followingthisapproach,thevaluesofsingledecrementpoliciesarestudiedandThiele's-typePDEsforgenerallifeinsurancecontractsarederived.

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简介：SupposethatXtistheFleming-ViotprocessassociatedwithflactionalpowerLaplacianoperator-(-△)^α/20<α<2andYt=∫^t0Xsdsistheso-calledoccupationtimeprocess.Inthispaper,theasymptoticbehavioratalargetimeantitheabsolutecontinuityofYiareinvestigated.

简介：Atestforlinearityintimeserieswithβ-ARCHerrorsisproposedinthispaper.Theempiricalpercentagepointsfortsetstatisticarealsogiven.Thesimulatingresultsundernormalandnon-normalerrordistributionsshowthattestsuggestedbyusisverypower

简介：Time-LapseSeismicimprovesoilrecoveryratiobydynamicreservoirmonitoring.Becauseofthelargenumberofseismicexplorationsintheprocessoftime-lapseseismicinversion,traditionalmethodsneedplentyofinversioncalculationswhichcosthighcomputationalworks.Themethodisthereforeinefficient.Inthispaper,inordertoreducetherepeatingcomputationsintraditional,anewtime-lapseseismicinversionmethodisputforward.Firstlyahomotopy-regularizationmethodisproposedforthefirsttimeinversion.Secondly,withthefirsttimeinversionresultsastheinitialvalueoffollowingmodel,amodelofthesecondtimeinversionisrebuiltbyanalyzingthecharactersoftime-lapseseismicandlocalizedinversionmethodisdesignedbyusingthemodel.Finally,throughsimulation,thecomparisonbetweentraditionalmethodandthenewschemeisgiven.Oursimulationresultsshowthatthenewschemecouldsavethealgorithmcomputationsgreatly.

简介：MrJenkinslivesinatown.Heworksina1.Therearealotofoldwonderfulthingsinit.Helikeshisworkandoftengoestohisofficeontime.

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简介：Thereal-timedispatchingmodelonbussystemisstudiedinthisarticle.Realtimedispatchingcanresumetheplannedschedulequickly,andthentoensurethereliabilityofthepublictransportserviceandtowellraisetheservicequality.

简介：Three-dimensionelectronicchartdisplayinformationsystem(ECDIS)isoneofthenewdevelopingdirectionsofelectronicnavigationchart,anditsreal-timequalityisoneoftheimportantrequirements.Inthispaperthealgorithmofsimplifyingtrianglesurfaceusingedgecontraction,whichcanensurethereal-timedisplayofobjectsinseabedenvironment,wasputforward.TheoptimumcontractionpointwasdeterminedbytheLagrangematrix,sothatthealgorithmensuresthatthecontractionpointlocatesontheoriginalmodel,meanwhilemeetsthedemandsofleastdeviation.Thisalgorithmcanimprovetheplottingspeed,andpreservetheboundarycharacterbyusingthefewertrianglestosimulateobjects.

简介：让X，X_1，X_2，…是i。i。d。有EX~的随机的变量(2+δ)<∞(为某δ>0)。认为一个维的随机的散步S是={S_n}_(n≥0)，从S_0=开始0。让ξ~*(n)=sup_(x∈z)ξ(x，n)，ξ(x，n)=#{0≤k≤n[S_k]=x}。ξ~的强壮的近似*到维纳过程的本地时间的(n)被介绍，最大的本地人的重申的对数的limsup类型和liminf类型法律预定ξ~*(n)被获得。而且，在ξ~的重申的对数的法律的精确asymptotics*(n)被证明。

简介：Ｔｉｍｅ－ｄｏｍａｉｎＷａｖｅＰｒｏｐａｇａｔｉｏｎｉｎＤｉｓｐｅｒｓｉｖｅＭｅｄｉａ①ＪＵＺｈｅｎｌｅ，ＦＵＪｕｎｍｅｉ，ＦＥＮＧＥｎｘｉｎ（ＩｎｓｔｉｔｕｔｅｏｆＭｉｃｒｏｗａｖｅＥｎｇｉｎｅｒｉｎｇ＆ＯｐｔｉｃａｌＣｏｍｍｕｎｉｃａｔｉｏｎＴｅ...

简介：Aninfraredreal-timeimagingsystemusingDSP(digitalsignalprocessor)asthekernelofdigitalsignalprocessingboardispresented.Inthissystem,theimagingdifferenceandnonuniformitycorrectionmethodisdevelopedonthechiptakingadvantageofDSPwithhighspeed.Themethodcombineshardwareandsoftwaretogether,sothatthedifficultyforrealizingsuchamethodwithotherhardwarecanbeovercome.

简介：最新的一项研究表明那些乘坐交通工具上下班的人们，无论是自驾车，骑自行车还是坐公交车，他们在乘坐交通工具一个小时后患心脏病的几率提高了两倍。科学家们对此做出了不同的解释。