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  • 简介:Theopticalpropertiesofafive-levelatomicsystemcomposedofaA-typefour-levelatomicandatripodfour-levelatomicsystemsareinvestigated.Itisfoundthatthebehaviorsofelectromagneticallyinducedtransparency(EIT)andgroupvelocitycanbecontrolledbychoosingappropriateparameterswiththeinteractingdarkresonances.Inparticular,whenallthefieldsareonresonance,theslowlightatthesymmetrictransparencywindowswithamuchbroaderEITwidthisobtainedbytuningtheintensityofthecouplingfieldincomparisonwithitssub-system,whichprovidespotentialapplicationsinquantumstorageandretrievaloflight.

  • 标签: 电磁感应 可控制群速 透明性 五层原子系统
  • 简介:WestudythestructureofBernstein’sfirstsummableoperatorsandshowthattheycon-vergeuniformlytocontinuonsfunctionsonthespecialrealorthogonalgroupSO(n)inthispaper.Inaddition,wehavealsodiscussedtheapproximationdegreetoaclassoffunctionLipα(0<α≤1)onSO(n).

  • 标签: OPERATORS verge FIRST REAL UNIFORMLY kernel
  • 简介:Uncertainandhesitantinformation,widelyexistinginthereal-worldqualitativedecisionmakingproblems,bringsgreatchallengestodecisionmakers.Hesitantfuzzylinguistictermsets(HFLTSs),aneffectivelinguisticcomputationaltoolinmodelingandelicitingsuchinformation,havehencearousedmanyscholars’interestsandsomeextensionshavebeenintroducedrecently.However,thesemethodsarebasedonthediscretelinguistictermframeworkwiththelimitedexpressiondomain,whichactuallydepictqualitativeinformationusingseveralsinglevalues.Therefore,itishardtoensuretheintegrityofthesemanticsrepresentationandtheaccuracyofthecomputationresults.Todealwiththisproblem,asemanticsbasisframeworkcalledcompletelinguistictermset(CLTS)isdesigned,whichadoptsaseparationstructureoflinguisticscaleandexpressiondomain,enrichingsemanticsrepresentationofdecisionmakers.Onthisbasistheconceptoffuzzyintervallinguisticsets(FILSs)isputforwardthatemploystheintervallinguistictermwithprobabilitytoincreasetheflexibilityofelicitingandrepresentinguncertainandhesitantqualitativeinformation.Forpracticalapplications,afuzzyintervallinguistictechniquefororderpreferencebysimilaritytoidealsolution(FILTOPSIS)methodisdevelopedtodealwithmulti-attributegroupdecisionmaking(MAGDM)problems.Throughthecasesofmovieandenterpriseresourceplanning(ERP)systemselection,theeffectivenessandvalidityoftheproposedmethodareillustrated.

  • 标签: hesitant FUZZY SETS MULTI-ATTRIBUTE group decision
  • 简介:在这篇文章,为聚集模糊单个意见进一条组一致意见的一个新方法被建议。获得每条单个意见的聚集重量,与另外的专家一起的每位专家的一个一致性索引基于类似和距离被介绍。每位专家的重要性也在聚集的过程被考虑。最后,一个数字例子被举说明过程的效率。

  • 标签: 一致度 模糊个体评价 模糊数 集体舆论评价 集体决定制造 相似性
  • 简介:ThePacificRegionseemstobedeterioratingintoahigh-riskarea.BuildinganoverarchingTrans-PacificSecurityCooperationArchitectureisthecallofthehour.Theaimistofillthevacuumofaregion-wideall-embracingarrangementtocompensateforthedeficienciesofexistingmulti-lateralmechanisms.Fortunately,thePacificOceanoffersamplespacetoaccommodateallplayersintheirpursuitofsharedpeaceandcommondevelopment.

  • 标签: 太平洋地区 国际社会 地缘经济 地缘政治 亚太地区 全球化
  • 简介:Wefirstproposeaseriesofsimilaritymeasuresforintuitionisticfuzzyvalues(IFVs)basedontheintuitionisticfuzzyoperators(Atanassov1995).Theparametersintheproposedsimilaritymeasurescancontrolthedegreeofmembershipandthedegreeofnon-membershipofanIFV,whichcanreflectthedecisionmaker’sriskpreference.Moreover,wecanobtainsomeknownsimilaritymeasureswhensomefixedvaluesareassignedtotheparameters.Furthermore,weapplythesimilaritymeasurestoaggregateIFVsanddevelopsomeaggregationoperators,suchastheintuitionisticfuzzydependentaveragingoperatorandtheintuitionisticfuzzydependentgeometricoperator,whoseprominentcharacteristicisthattheassociatedweightsonlydependontheaggregatedintuitionisticfuzzyargumentsandcanrelievetheinfluenceofunfairargumentsontheaggregatedresults.Basedontheseaggregationoperators,wedevelopsomegroupdecisionmakingmethods,andfinallyextendourresultstointerval-valuedintuitionisticfuzzyenvironment.

  • 标签: 群体决策 相似性 模糊值 直觉 应用 步兵战车
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  • 简介:他们是在1978年到2008年的历史区问,为国人留下共同记忆的人。他们是30年来在各个领域——政治、经济、科技、思想、文化、礼会发展中——重要变化的开创者,是中国新增的物质和精神财富的创造者;无论个人的沉浮荣辱,他们都曾经在历史的重要节点,敢为天下先。

  • 标签: 风云人物 经济 于光远 时局 幕僚 改革
  • 简介:朱彪被骗了,他老爸的30万抚恤金一分不剩!朱彪体重215斤,多次减肥也没效果,最后他放出狠话:谁若能使他成功减肥,酬谢10万元!

  • 标签: 爱情 抚恤金 减肥
  • 简介:在中考复习中,为了帮助同学们把基本概念理解得更加透彻,基本方法与技巧掌握得扎实牢靠,让你在考场中提高解题速度,做到小题上不共分,我们特开设此栏目希望通过这30分钟的热身自测,让你成为得分小能手,大家快来试一试吧!

  • 标签: 初中 数学 学习辅导 解题测试 试题内容