简介：Wededuceacompletewavepropagationequationthatincludesinhomogeneityofthedielectricconstantandpresentthispropagationequationincompactvectorform.Althoughsimilarequationsareknowninnarrowfieldssuchasradiowavepropagationintheionosphereandelectromagneticandacousticwavepropagationinstratifiedmedia,wedevelophereanovelapproachofusingsuchequationsinthemodelingoflaserbeampropagationinnonlinearmedia.Ourapproachsatisfiesthecorrespondenceprinciplesinceinthelimitofzero-lengthwavelengthitreducesfromphysicaltogeometricaloptics.

简介：复杂网络的显微镜的结构怎么在流行繁殖上拿影响，被调查。特殊注意对它的平均的度随着时间变化的成长网络被给予。为感染的个人的最后的密度的一个公式被数字模拟给并且被证实。我们的结果证明最后的密度倔强与两个线性地非增加节点和网络结构的可调节的随机的参数的平均的度。

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简介：有人的脸的图象在成像领域包括必要部分。在面部部分的吸藏或损坏将带显著不快和信息损失。我们建议能修理的一个算法堵塞了或自动地损坏了面部图象，命名‘facial图象inpainting'。Inpainting是处理方法恢复失踪的图象部分的一套图象。我们在由介绍面部领域知识油漆方法扩大图象。与一个脸数据库的支持，我们的途径宣传结构的信息，即，特征点和边地图，从类似的脸到失踪的面部区域。把推断的结构的信息用作指导，在油漆算法的一幅基于模范的图象被采用从来源部分在一样的脸拷贝补丁到失踪的部分。在油漆的面部图象的这个最新建议的概念超过在美容从一个脸数据库塑造，并且由从一样的脸图象推断颜色和质地从不同图象处于成像条件避免变化的问题的由宣传的画方法传统。我们的系统生产是几乎没看见的缺点的无缝的脸。

简介：Wepresentthepropagationofcylindricalwavesinthemediawhosepermittivityvarieswithtimeabruptlyorcontinuously.Bythemethodofvariableseparation,wederivethegeneralexpressionofelectricfieldofTM-polarizedwavesintwo-dimensionalspacewithexcitationofanypointatanytime.Withthisexpression,thesolutionforaspatiallyandtemporallydistributedsourcecanbeobtainedtheoretically.Thefocusingofreflectedwavesinthecrosssectionisshownwhenthemediaundergoesasuddenorcontinuouschange.Thewavepropagationintime-invariantmediacanbeconsideredasaspecialcaseofthemediaunderexponentialvariance.

简介：Top-downcrackinasphaltpavementshasbeenreportedasawidespreadmodeoffailure.Asolidunderstandingofthemechanismsofcrackgrowthisessentialtopredictpavementperformanceinthecontextofthicknessdesign,aswellasinthedesignandoptimizationofmixtures.UsingthecoupledelementfreeGalerkin(EFG)andfiniteelement(FE)method,top-downcrackpropagationinasphaltpavementsisnumericallysimulatedonthebasisoffracturemechanics.Aparametricstudyisconductedtoisolatetheeffectsofoverlaythicknessandstiffness,basethicknessandstiffnessontop-downcrackpropagationinasphaltpavements.Theresultsshowthatlongitudinalwheelloadsaredisadvantageoustotop-downcrackbecauseitincreasesthecompoundstressintensityfactor(SIF)atthetipoftop-downcrackandshortensthecrackpath,andthusthefatiguelifedescends.TheSIFexperiencesaprocess'sharplyascending—slowlydescending—slowlyascending—sharplyascendingagain'withthecrackpropagating.Thethickertheoverlayorthebase,thelowertheSIF;thegreatertheoverlaystiffness,thehighertheSIF.Thecrackpathishardlyaffectedbystiffnessoftheoverlayandbase.

简介：Wepresentatheoreticalstudyofthepropagationpropertiesofpolarizedphotonspassingthroughthecavitywithananisotropicmetamaterial.Wefindthattheresonantpeaksoftransmissionappearforphotonspolarizedinacertaindirectioncorrespondingtoanegativeelementofthepermittivitytensor.Thisindicatesthepotentialforapplyingsuchcavitystructuresasfiltersforphotonswithcertainpolarizations.Theresonantpeakoftransmissionforphotonshavingagivenfrequencycanbeachievedbyadjustingthethicknessesoftheairandmetamaterial.Ifthefrequencyoftheincidentphotonsandthethicknessofthemetamaterialarefixed,thecavitystructurecanbeusedasaphotonswitchcontrolledbythethicknessoftheair.Theeffectoftheabsorptionisconsidered,andtheresultshowsthatthetransmissionpeakalwaysappears,evenformetamaterialswithlargeabsorption.Finally,thepolarizationmanipulationofsuchstructuresisexplored.

简介：霍尔电场和网充电的产生与联系了磁性重新连接离子在血浆密度和磁场的不同起始的条件下面被学习。与大厅效果的包括，电子和离子运动的去耦沿着separatrix与强壮的电场和大网充电密度导致狭窄的层的形成。越过当前的表的血浆密度或磁场或两个的不对称现象将大部分增加电场和网充电的大小。结果显示磁场的不对称现象在生产更大的电场和费用密度是更有效的。电场和网费用比在高密度或/并且低磁场方面的那些在低密度或/并且高磁场方面总是是大得多的。电场和网费用密度线性地依赖于血浆密度的比率或越过当前的表的磁场的平方。为有磁场和密度的两起始的不对称现象的盒子，大霍尔电场和费用密度被产生。

简介：WeproposeanapplicationoftheelasticneuralnetforringrecognitioninRICHdetectors.Themethodhasbeendevelopedtofindringsdistortedduetomisalignmentofdetectorsandcontaminatedbynoise.ThealgorithmwastestedonsimulateddataofCOMPASSRICH-1detector.Reconstructionefficiencyis99.95%fortripleLEPTOeventstaking5msperevent.

简介：InthispaperthepropagationofLorentz–GaussianbeamsinstronglynonlinearnonlocalmediaisinvestigatedbytheABCDmatrixmethod.Forthispurpose,anexpressionforfielddistributionduringpropagationisderivedandbasedonit,thepropagationofLorentz–Gaussianbeamsissimulatedinthismedia.Then,theevolutionsofbeamwidthandcurvatureradiusduringpropagationarediscussed.

简介：TheECRwaveheatingisnowaroutinemethodforplasmaheatingandprofilecontrolinfusiondevicesandalsoinplasmaapplications.TheoreticalstudyofECRwavepropagationandabsorptionbeganveryearlyin1950's.Basictheoreticalworkhadaccomplishedin1970～1980.Fortoroidaldeviceslikethetokamak,thefundamentalO-modeandX-modewithnearlyperpendicularpropagationwereusedveryoften.ForpureO-modeandX-modewithkx=O,

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简介：Therearesomecurvedinterfacesinoceanacousticwaveguides.Tocomputewavepropagationalongtherangewithsomemarchingmethods,aflatteningoftheinternalinterfacesandatransformingequationareneeded.Inthispaperalocalor-thogonalcoordinatetransformandanequationtransformationareconstructedtoflatteninterfacesandchangetheHelmholtzequationasasolvableform.Forawaveguidewithaflattop,aflatbottomandncurvedinterfaces,thecoefficientsofthetrans-formedHelmholtzequationaregiveninaclosedformulationwhichcanbethoughtofasanextensionoftheformalworkrelatedtotheequationtransformationwithtwocurvedinternalinterfaces.Inthetransformedhorizontallystratifiedwaveguide,theone-wayreformulationbasedontheDirichlet-to-Neumann(DtN)mapisthenusedtoreducetheboundaryvalueproblemtoaninitialvalueproblem.NumericalimplementationoftheresultingoperatorRiccatiequationusesalargerangestepmethodtodiscretizetherangevariableandatruncatedlocaleigenfunctionexpansiontoapproximatetheoperators.Thismethodisparticularlyusefulforsolvinglongrangewavepropagationproblemsinslowlyvaryingwaveguides.Furthermore,themethodcanalsobeappliedtowavepropagationproblemsinacousticwaveguidesassociatedwithvarieddensity.

简介：在这份报纸，在经常区域的直管对二条平行亚声的溪流宣传的一个压力波浪的特征被一个维的分析，二维的数字模拟，和实验调查。计算被二维的Euler方程用Chakravarthy-Osher-typeTVD计划执行了。由象墙压力大小一样的schlieren方法的光观察被执行了澄清结构和压力波浪的繁殖速度。对溪流宣传的压力波浪变成一个区分的压力波浪和分叉的结果表演发生在低速度溪流。分析和计算获得的压力波浪的繁殖速度与现在的试验性的数据同意很好，这也被发现。关键词可压缩的流动-流动可视化-内部流动-化合物飘动-复合窒息的CLC数字O354.1

简介：Thebandstructuresofflexuralwavesinaphononiccrystalthinplatewithstraight,bendingorbranchinglineardefectsaretheoreticallyinvestigatedusingthesupercelltechniquebasedontheimprovedplanewaveexpansionmethod.Weshowtheexistenceofanabsolutebandgapoftheperfectphononiccrystalandlineardefectmodesinsidethegapcausedbylocalizationofflexuralwavesatornearthedefects.Thedisplacementdistributionsshowthatflexuralwavescantransmitwellalongthestraightlineardefectcreatedbyremovingonerowofcylindersfromtheperfectphononiccrystalsforalmostallthefrequenciesfallinginthebandgap,whichindicatesthatthisstructurecanactasahighefficiencywaveguide.However,forbendingorbranchinglineardefects,thereexistbothguidedandlocalizedmodes,andthereforethephononiccrystalscouldbeservedaswaveguidesorfilters.

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简介：在由nonoscillatory节点组成的复杂网络的自我支撑的摆动在多样的自然、社会的系统吸引了长期的兴趣。我们在由易兴奋的节点组成的随机的网络学习自我支撑的周期的摆动。我们由使用驾驶方法的主导的阶段进展揭示内在的动态结构。摆动来源和波浪繁殖路径能经由揭示的动态结构清楚地被说明。当时，我们能基于我们的理解与令人惊讶地高的效率控制摆动。

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简介：我们调查周期的倒置和与裂口步Fourier方法在非局部的非线性的媒介宣传的正常、代替的有限精力的空气的横梁的阶段转变。数字模拟结果证明象nonlocality和振幅的度那样的参数在一根空气的横梁的时期的紧张分发上有深刻效果。如果nonlocality是足够强壮的，非局部的非线性的媒介将简化为一个泛音潜力，它导致波动在的横梁一近似余弦模式。横梁侧面在一个批评的点从空气的侧面改变到Gaussian，并且在繁殖期间，这个过程重复形成不平常的摆动。我们另外简短铁饼二维的案例，等价于二个一个维的案例的一个产品。