学科分类
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3 个结果
  • 简介:Inthispaper,wewillexploretheessenceofthephenomenonthatstatewithlessentanglementmaygenerategreaterBellviolationinthetwo-qubitBelltestswithCH-typeinequalities,i.e.,morenonlocalitywithlessentanglement.Wewillshowthatthisinterestingbutcounterintuitivephenomenoniscausedbytherotationalasymmetryofthenonmaximallyentangledstateinthemeasurementplane.Thisasymmetryallowstheboth-sidedetectionprobabilitiesandtheone-sidedetectionprobabilitiesobtaintheirmaximalvalueswithnonmaximallyentangledstate.ButthemaximalBellviolationmaynotalwayshappenonnonmaximallyentangledstate,becausetheseprobabilitieswillcompetewitheachother,andtheBellviolationbehavesdiferentlyforvariousCH-typeinequalities.

  • 标签: 非最大纠缠态 贝尔 非局域 测试 检测概率 违规现象
  • 简介:Thechemicaloxygen–iodinelaser(COIL)istheshortest-wavelengthhigh-powerchemicallaserthathasbeendemonstrated.Thecharacteristics,suchasgoodatmosphericpropagation,shortwavelengthandexcellenttransmissionthroughopticalfibers,maketheCOILagoodcandidateforhigh-powerlaserapplication.TomodelthecompleteCOILlasinginteraction,athree-dimensionalformulationofthefluiddynamics,speciescontinuityandradiationtransportequationsisnecessary.Thecomputationalefforttocalculatetheflowfieldovertheentirenozzlebankwithagridfineenoughtoresolvetheinjectionholesissolargeastoprecludedoingthecalculation.Theapproachtomodelingchemicallasersthenhasbeentoreducethecomplexityofthemodeltocorrespondtotheavailablecomputationalcapability,addingdetailsascomputingpowerincreased.ThemodelingoflasingintheCOILmediumisproposed,whichiscouplingwiththeeffectsinducedbytransverseinjectionofsecondarygases,non-equilibriumchemicalreactions,nozzletailflowandboundarylayer.ThecoupledsteadysolutionsofthefluiddynamicsandopticsinaCOILcomplexthree-dimensionalcavityflowfieldareobtainedfollowingtheproposal.Themodelingresultsshowthattheseeffectshavesomeinfluenceonthelasingproperties.Afeasiblemethodologyandatheoreticaltoolareofferedtopredictthebeamqualityforlarge-scaleCOILdevices.

  • 标签: BEAM quality chemical oxygen–iodine laser(COIL) numerical
  • 简介:Inthispaper,moreefficient,low-complexityandreliableregionofinterest(ROI)imagecodecforcompressingsmoothlowtextureremotesensingimagesisproposed.WeexploretheefficiencyofthemodifiedROIcodecwithrespecttotheselectedsetofconvenientwaveletfilters,whichisanovelmethod.SuchROIcodingexperimentanalysisrepresentinglowbitratelossytohighqualitylosslessreconstructionwithtiminganalysisisusefulforimprovingremotesensinggroundtruthsur-veillanceefficiencyintermsoftimeandquality.Thesubjective[i.e.fair,fiveobserver(HVS)evaluationsusingenhanced3DpictureviewHypermemorydisplaytechnology]andtheobjectiveresultsrevealedthatforfastergroundtruthROIcodingapplications,theSymlet-4adaptationperformsbetterthanBiorthogonal4.4andBiorthogonal6.8.However,thediscreteMeyerwaveletadaptationisthebestsolutionfordelayedROIimagereconstructions.

  • 标签: 地面实况 ROI 图象编码技术 小波滤波器 应用