简介：摘要：随着应用系统的发展和4G、5G网络的部署，传统传输网、核心交换网都逐渐IP化，被IPRAN、CU分离架构替代，相关IP路由协议显得尤为重要。随着IPV6技术演进、智能城域网相关工程的开展，越来越多的运营商将城域网的OSPF协议网络改造为IS-IS协议网络。本文根据运维、工程人员的维护经验，通过现网应用中对OSPF协议以及OSPF协议路由算法进行分析研究。    

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简介：单粒子翻转（SEU）和单粒子瞬态脉冲效应（SET）是引起数字逻辑电路发生错误的重要原因．针对SAFF触发器电路设计了一种抗SEU／SET加固电路，该电路由一个基于敏感放大器的主级，四个门保护电路组成的中间级和一个SR锁存器的从级组成．仿真结果表明该结构具有良好的抗SEU／SET性能．

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简介：Adatawarehouseoftenaccommodatesenormoussummaryinformationinvariousgranularitiesandismainlyusedtosupporton-lineanalyticalprocessing.Ideallyalldetaileddatashouldbeaccessiblebyresidinginsomelegacysystemsoron-linetransactionprocessingsystems.Inmanycases,however,datasourcesincomputersarealsokindsofsummarydataduetotechnologicalproblemsorbudgetlimitsandalsobecausedifferentaggregationhierarchiesmayneedtobeusedamongvarioustransactionsystems.Insuchcircumstances,itisnecessarytoinvestigatehowtodesigndimensions,whichplayamajorroleindimensionalmodelforadatawarehouse,andhowtoestimatesummaryinformation,whichisnotstoredinthedatawarehouse.Inthispaper,theroughsettheoryisappliedtosupportthedimensiondesignandinformationestimation.

简介：TheproposalonestablishmentoftheShaanxiProvincialCoalChemicalEngineeringCenterproppedupbythePro-vincialCoalChemicalTechnologyEngineeringCenterCompany,Ltd.hasbeenapprovedbyShaanxiProvincialDevelopmentandReformCommission.Itistoldthates-tablishmentofthesaidCoalChemicalEngineeringCenterwilltargetonthehigh-endcoalchemicaltechnologytode-velopkeycoalchemicaltechniqueswithindependentintel-lectualpropertyrightsandacceleratethecommercializa-

简介：Objectivevideoqualityassessmentmethodsoftenevaluatealltheframesregardlessoftheirimportance.Forwirelessdistortedvideos,noteveryframehasthesamecontributiontothefinaloverallqualityduetothechannelfadingandinterference,whichmayleadtothecapacityvariationintemporal.Besides,withthecontentsimilarityanderrorpropagationpatternintemporaldomain,itispossibletoevaluatetheoverallqualitywithonlypartoftheframes.Inthispaper,ademonstrationisperformedtoshowthatthevideoqualitycanbeevaluatedwithreducedframesset(RFS),andastatetransitionmodelisproposedtoextracttheRFS.Atlast,avideoqualityassessment(VQA)methodiscarriedoutbasedonRFS.Comparedwithseveralstate-of-the-artmethods,ourmethodcanachieveasuitableaccuracywithlessframestobeprocessed.

简介：因为表示每份object.In订单解决这个问题使用明确的形式，古典不平的集合不能在决定过程显示出模糊和目标的重要性，这份报纸第一介绍每个目标在有会员度显示出它的模糊的一张特殊决定桌子并且被分配了重量在决定procedure.Then显示出它的重要性，特殊决定桌子被学习，同时，相关不平的集合模型被提供相关definitio

简介：Inroughsettheory,crispand/orfuzzybinaryrelationsplayanimportantroleinbothconstructiveandaxiomaticconsiderationsofvariousgeneralizedroughsets.Thispaperconsiderstheuniquenessproblemofthe(fuzzy)relationinsomegeneralizedroughsetmodel.Ourresultsshowthatbyusingtheaxiomaticapproach,the(fuzzy)relationdeterminedby(fuzzy)approximationoperatorsisuniqueinsome(fuzzy)double-universemodel.

简介：Featureselection(FS)isaprocesstoselectfeatureswhicharemoreinformative.Itisoneoftheimportantstepsinknowledgediscovery.Theproblemisthatnotallfeaturesareimportant.Someofthefeaturesmayberedundant,andothersmaybeirrelevantandnoisy.TheconventionalsupervisedFSmethodsevaluatevariousfeaturesubsetsusinganevaluationfunctionormetrictoselectonlythosefeatureswhicharerelatedtothedecisionclassesofthedataunderconsideration.However,formanydataminingapplications,decisionclasslabelsareoftenunknownorincomplete,thusindicatingthesignificanceofunsupervisedfeatureselection.However,inunsupervisedlearning,decisionclasslabelsarenotprovided.Inthispaper,weproposeanewunsupervisedquickreduct(QR)algorithmusingroughsettheory.ThequalityofthereduceddataismeasuredbytheclassificationperformanceanditisevaluatedusingWEKAclassifiertool.Themethodiscomparedwithexistingsupervisedmethodsandtheresultdemonstratestheefficiencyoftheproposedalgorithm.

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简介：如何处理非精确条件下的数据检索在当前信息社会中已变得越来越为重要．本文介绍了一种基于多元组Ｒｏｕｇｈ集的有效信息检索方法．这种新方法是对普通Ｒｏｕｇｈ集模型的一种推广，它可通过多元组近似集来获取非精确查询结果

简介：LevelSetmethodsarerobustandefficientnumericaltoolsforresolvingcurveevolutioninimagesegmentation.ThispaperproposesanewimagesegmentationalgorithmbasedonMumford-Shahmodule.ThemethodisusedtoCTimagesandtheexperimentresultsdemonstrateitsefficiencyandveracity.

简介：Apolynomialalgorithmforfindingalinearextensionofanorderedsetwhichhastheminimumbumpsispresented.

简介：SupposethatCisthecomplexplaneandkisanon-negativeinteger.DefinefunctionsNk-(x)=|x|kifkisevenandNk(x)=x|x|k-1ifkisodd.SomeapproximationpropertiesofNk-(x)’sisdiscussedandanewexampleofaTchebycheffsystemisgivenout.

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简介：ThispaperextendstheTOPSIStofuzzyMCDMbasedonvaguesettheory,wherethecharacteristicsofthealternativesarerepresentedbyvaguesets.Anovelscorefunctionisproposedinordertodeterminethevaguepositive-idealsolution(VPIS)andvaguenegative-idealsolution(VNIS).Wepresentaweighteddifferenceindextocalculatethedistancebetweenvaguevalues,bymeansofwhichthedistanceofalternativestoVPISandVNIScanbecalculated.Finally,therelativeclosenessvaluesofvariousalternativestothepositive-idealsolutionarerankedtodeterminethebestalternative.Anexampleisshowntoillustratetheprocedureoftheproposedmethodattheendofthispaper.

简介：GivenastablematrixA∈Cn×n,therearesomesimplesimultaneousinequalitieswhosecoefficientsrelyonA.For（?）PH=P∈Cn×n,ifPsatisfiestheseinequlities,thenPA+AHP<0.Asanapplicationofthemainresults,thestabilityofthematrixfamilyistreated.Besides,somegeometricpropertiesofthesetofalltheLyapunovmatricesofagivenstablematrixareconsidered.

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