简介:Asthebasicconditionsforlaserinertialconfinementfusion(ICF)research,thetargetsarerequiredtobewellspecifiedandelaboratelyfabricated.Becauseofthecharacteristicsofthetargets,theresearchandfabricationprocessisasystematicallytoughtask,whichneedsfundamentalanddeepinsightsintofilmdeposition,mechanicalmachining,precisemeasurementandassembly,etc.Asaresult,knowledgeofmaterialscience,physics,mechanicalaswellaselectronicsisanecessityfortargetresearchers.Inthispaper,wegiveintroductionstothestateofartontargetfabricationforICFresearchatResearchCenterofLaserFusion(RCLF)inChina.
简介:数据熔化,新研究域,是现代信息技术和许多另外的题目的集成和扩展。数据熔化概念被介绍,Dempster-Shafer证据推理被描述并且适用于油和煤气的察觉。方法的一个例子用数字模拟数据被显示出。处理结果显示数据熔化方法能广泛地在烃察觉被使用。
简介:Onthebasisofananalysisoftheerrorsourcesinmultibeamechosoundingsystem,adataprocessingmethodforcompensatingsystematicerrorsinmultibeamsurveyisproposed.Inordertoimprovetheaccuracyofoverallswath,adatafusiontechniqueusingsinglebeamsurveydataascontrolinformationforsinglebeamandmultibeamechosoundingisthenpresented.Somequestionsinvolvedinsolvingtheadjustmentproblem,suchasitsfeasibilityandthenumericalstability,arediscussedindetail,andatwo-stepadjustmentmethodissuggested.Finally,apracticalsurveydatasetisusedasacasestudytoprovetheefficiencyandreliabilityoftheproposedmethods.
简介:Theapplicationoflaserpulseswithpsecorshorterdurationenablesnonthermalefficientultrahighaccelerationofplasmablockswithhomogeneoushighionenergiesexceedingioncurrentdensitiesof1012Acm-2.Theeffectsofultrahighaccelerationofplasmablockswithhighenergyprotonbeamsareproposedformuonproductioninacompactmagneticfusiondevice.Theproposednewschemeconsistsofanignitionfusionsparkbymuoncatalyzedfusion(μCF)inasmallmirror-likeconfigurationwherelowtemperatureD–Tplasmaistrappedforadurationof1μs.Thisinitialfusionsparkproducessufficientalphaheatinginordertoinitiatethefusionprocessinthemaindevice.Theuseofamulti-fluidglobalparticleandenergybalancecodeallowsustofollowthetemporalevolutionofthereactionrateofthefusionprocessinthedevice.RecentprogressontheICANandIZESTprojectsforhighefficienthighpowerandhighrepetitionratelasersystemsallowsdevelopmentoftheproposeddeviceforcleanenergyproduction.Withtheproposedapproaches,experimentsonfusionnuclearreactionsandμCFprocesscanbeperformedinmagnetizedplasmasinexistingkJ/PWlaserfacilitiesastheGEKKO-LFEX,thePETALandtheORIONorinthenearfuturelaserfacilitiesastheELI-NPRomanianpillar.
简介:Housesarekeyelementsbothinaerialphotographsandmaps.Theirextractionhassignificancenotonlytomilitary,butalsotoautomaticalrela-tiveorientation,automaticalabsoluteorientation,feature-basedmatching,sys-tematicdescription,automaticdataaquisition,structureanalysis,imageunder-standing,digitalmapping,andconstructionofurbangeographicinformationsys-tem(UGIS).Forthispurpose,thispapermainlyaddresses:(1)abriefintroduc-tiontothemultiresolutionanalysisofwavelettheoryanditsdifferenceformLaplacianpyramid,(2)howtogeneratethemultiresolutionimagesandedgefea-tures,and(3)howtoemploythesemultiresolutionimagesandedgefeaturestoextractthehousesfromaerialphotographsbymultiresolutionstructureandinfor-mationfusion.