简介：Thispaperpresentsanewmethodbasedonasecond-orderstochasticmodelforcomputerintrusiondetection.Theresultsshowthattheperformanceofthesecond-orderstochasticmodelisbetterthanthatofafirst-orderstochasticmodel.Inthisstudy,differentwindowsizesarealsousedtotesttheperformanceofthemodel.Thedetectionresultsshowthatthesecond-orderstochasticmodelisnotsosensitivetothewindowsize,comparingwiththefirst-orderstochasticmodelandotherpreviousresearches.Thedetectionresultofwindowsizes6and10isthesame.

简介：Intheprocessofconceptdesignoffshoreplatforms,itisnecessarytoselectthebestfromfeasiblealternativesthroughcomparisonandfiltering.Fuzzyoptimalselectioninmultiplestagesisanusefulmethodinengineeringdecisionmaking,hutinsomecases,itisdifficulttomakeadistinctionbetweenthefirstalternativeandthesecond.Thereforeitisnecessarytoimprovethefuzzyoptimalselectionmethodwithmultiplestages.Inthispaper,usingfuzzycrossiterationoptimalmodeling,theweightsensitivityanalysisismadefirstly.Thenaseconddecision-makingmethodtosolvefuzzyoptimalproblemsisproposed.Itsbasicprincipleistheinversereasoninginmathematics.Thismethodexpandstheappliedrangeoffuzzyoptimalselection.Finallythismethodisusedintheconceptdesignofoffshoreplatform.Acasestudyshowsthatthismethodisscientific,reasonableandeasytouseinpractice.

简介：用向量衍射理论和现象学的模型，这份报纸调查集中的油炸圈饼横梁(DB)与不同拓扑的费用激动的单个中心对称的nanosphere的第二泛音代(SHG)。当粒子旁边是激动的时，强壮的向后的SHG(BSHG)出现的结果表演与拓扑的费用集中了DB????????????????￡吗？

简介：Amodelofquasi-CPA(chirpedpulseamplification)system,inwhichtheinputisthetransform-limitedGaussianpulses,issetupnumericallytoinvestigatetheimpactofthesecondorderdispersionontheadaptivecompensationofself-phasemodulation(SPM)effect.Theadaptivephasepre-shapingcontrolledbydifferentialevolutionalgorithmisintroducedtotheinputpulsebeforeamplificationandrecompression.Withmaximizingthepeakpoweroftheoutputpulse,thesimulationresultsshowthatthenormaldispersionisreallyhelpfultoeliminatethesidelobesoftheoutputpulseandincreasethepulsepeakpower.