简介：一种选择prioritization技术被开发高效地得到偏爱，未知、松脆，在战略冲突的决定制造者(数据管理系统)。在为冲突分辨率的图模型，每DM有至少一种选择，其各个可以被选择。一种州，或可能的情形，当时，被形成所有数据管理系统做一种选择选择。软件GMCRII包含使让modeller进入用描述数据管理系统的按优先级排列的陈述在州上订的数据管理系统松脆的偏爱容易的一个选择prioritization过程比较喜欢的选择联合。这个过程被增加二新逻辑connectives扩大描述偏爱的无常。为每DM，为各可行的状态的可能的分数的一个范围当时能是计算的，便于订的偏爱的决心由比较并且评价分数包含无常。为了表明这新方法论怎么能习惯于，处于一个真实世界的决定问题代表未知偏爱，它在建议的水出口上被用于加拿大的争论。

简介：EDITOR’SNOTE:AlthoughSwedishexplorerSvenHedinventuredintoNgarifromXinjiangin1902,theregionremainsmysteriousandunknowntotheoutsideworld.ThispromptedtheStateCulturalRelicsBureauandtheCulturalRelicstosendateamintoNgarialongtheLhasa-Ngari-Yecheng(Xinjiang)route.ThepurposewastoexploretheZhangzhungCivilizationthatexistedpriortotheGugeKingdom.Accordingtolegend,ZadaintheXianquanheRiverValleyisthecentralpartoftheZhangzhungKingdom,whichwassoformidablethatthekingdomwasdividedintoInternal,CentralandExternalZhangzhungandInternalZangzhungalonecoveredpresent-dayNgariandLadakh.Thiswriterwasoneoftheteammembers.

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简介：一个新方法被建议由同时检测本地损坏并且从几结构的动态回答识别支持刺激在未知支持刺激下面估计结构的条件。对结构起作用的支持刺激被直角的多项式近似建模，并且关于它的物理参数和直角的系数的结构的动态反应的敏感被导出。鉴定方程基于泰勒是第一顺序近似，并且在一个反复的过程与抑制最少平方的方法被解决。一十五故事砍造模型和五故事的三维的钢框架结构被学习验证建议方法。有吵闹的测量加速的数字模拟证明建议方法罐头精确地检测本地损坏并且从仅仅结构的几回答识别未知支持刺激。这个方法为检测结构的损坏并且与未知输入和不完全的测量产量信息更新模型提供一条新途径。

简介：Inthispaper,nonlinearobserversareincorporatedintotheadaptivecontroltosynthesizecontrollersforaclassofuncertainnonlinearsystemswithunknownsinusoidaldisturbanceswhicharepresentedinmatchedandunmatchedforms.Inadditiontomagnitudesandphases,frequenciesofthesinusoidaldisturbancesneednotbeknownaswell,solongastheoverallorderisknown.Nonlinearobserversareconstructedtoeliminatetheeffectofunknownsinusoidaldisturbancestoimprovethesteady-stateoutputtrackingperformance-asymptoticoutputtrackingisachieved.Theadaptationlawisusedtoobtaintheestimateofallunknownparameters.Thepresenteddisturbancedecouplingalgorithmscandealwithmatchedandunmatchedunknownsinusoidaldisturbances.

简介：Abasicassumptionofmostrecentlyproposedwaveformdesignalgorithmsisthatthetargetimpulseresponseisaknowndeterministicfunctionorastochasticprocesswithaknownpowerspectraldensity(PSD).However,itiswell-knownthatatargetimpulseresponseisneithereasilynoraccuratelyobtained;besidesitchangessharplywithattitudeangles.Bothoftheaforementionedcasescomplicatethewaveformdesignprocess.Inthispaper,anadaptiverobustwaveformselectionmethodforunknowntargetdetectioninclutterisproposed.Thetargetimpulseresponseisconsideredtobeunknownbutbelongstoaknownuncertaintyset.Anadaptivewaveformlibraryisdevisedbyusingasignal-to-clutter-plus-noiseratio(SCNR)-basedoptimalwaveformdesignmethod.Byapplyingtheminimaxrobustwaveformselectionmethod,theoptimalrobustwaveformisselectedtoensurethelowestperformanceboundoftheunknowntargetdetectioninclutter.Resultsshowthattheadaptivewaveformlibraryoutperformsthepredefinedlinearfrequencymodulation(LFM)waveformlibraryontheSCNRbound.

简介：Thekeyofthesubspace-basedDirectionOfArrival(DOA)estimationliesintheestimationofsignalsubspacewithhighquality.Inthecaseofuncorrelatedsignalswhilethesignalsaretemporallycorrelated,anovelapproachfortheestimationofDOAinunknowncorrelatednoisefieldsisproposedinthispaper.TheapproachisbasedonthebiorthogonalitybetweenamatrixanditsMoore-Penrosepseudoinverse,andmadenoassumptiononthespatialcovariancematrixofthenoise.Theapproachexploitsthestructuralinformationofasetofspatio-temporalcorrelationmatrices,anditcangivearobustandpreciseestimationofsignalsubspace,soapreciseestimationofDOAisobtained.Itsperformancesareconfirmedbycomputersimulationresults.

简介：Theexponentialstabilizationproblemofarobot-camerasystemwithunknowncameraparametersisinvestigated.Basedonthevisualfeedbackandthestate-inputtransformation,anuncertainchainedformmodelispresentedforatypeofnonholonomicmobilerobots.Then,anewtime-varyingfeedbackcontrollerisproposedtostabilizetheuncertainsystemexponentiallywiththehelpofthestabilizationtheorems,state-scalingandswitchingtechniques.Theexponentialstabilityoftheclosed-loopsystemisrigorouslyproved.Simulationresultsaregiventodemonstratetheeffectivenessoftheproposedstrategies.

简介：Thispaperaddressestherobustvisualtrackingofmulti-featurepointsfora3Dmanipulatorwithunknownintrinsicandextrinsicparametersofthevisionsystem.Thisclassofcontrolsystemsarehighlynonlinearcontrolsystemscharacterizedastime-varyingandstrongcouplinginstatesandunknownparameters.ItisfirstpointedoutthatnotonlyistheJacobianimagematrixnonsingular,butalsoitsminimumsingularvaluehasapositivelimit.Thisprovidesthefoundationofkinematicsanddynamicscontrolofmanipulatorswithvisualfeedback.Second,theEulerangleexpressedrotationtransformationisemployedtoestimateasubspaceoftheparameterspaceofthevisionsystem.Basedonthetworesultsabove,andarbitrarilychosenparametersinthissubspace,thetrackingcontrollersareproposedsothattheimageerrorscanbemadeassmallasdesiredsolongasthecontrolgainisallowedtobelarge.Thecontrollerdoesnotusevisualvelocitytoachievehighandrobustperformancewithlowsamplingrateofthevisionsystem.TheobtainedresultsareprovedbyLyapunovdirectmethod.Experimentsareincludedtodemonstratetheeffectivenessoftheproposedcontroller.

简介：为nonholonomic的一个柔韧的适应控制器有未知运动学、动态的参数的活动机器人被建议。其产量是相关动态控制器的输入的一个运动学的控制器被使用背走的概念提供。一个适应算法在运动学的控制器被开发接近未知运动学的参数，和一个简单单个层的神经网络被用来表示高度非线性的机器人动力学以知道并且未知参数。以便在追踪性能上稀释不确定性和骚乱的效果，一个滑动模式控制术语被加到动态控制器。在为不明确的动态系统的反馈控制器的确定的设计，不确定性的标准上的上面的界限是重要线索保证靠近环的系统的稳定性。然而，因为不确定性的结构的复杂性，有时，这些上面的界限不能容易被获得。从而，简单改编法律在不确定性的标准上被建议到近似上面的界限处理这个问题。建议控制系统的稳定性通过Lyapunov方法被显示出。最后，为有二个激活的车轮的一个活动机器人的一个设计例子被提供，控制器的可行性被数字模拟表明。

简介：Theinfluenceoftheaxialrelativemotionbetweenthetargetandthesourceonghostimaging(GI)isinvestigated.BoththeanalyticalandexperimentalresultsshowthatthetransverseresolutionofGIisreducedasthedeviationofthetarget’scenterpositionfromtheopticalaxisortheaxialmotionrangeincreases.Toovercomethemotionblur,weproposeadeblurringmethodbasedonspeckle-resizingandspeedretrieval,andweexperimentallyvalidateitseffectivenessforanaxiallymovingtargetwithanunknownconstantspeed.Theresultsdemonstratedherewillbeveryusefultoforward-lookingGIremotesensing.

简介：Theproblemofdetectingsignalwithmultipleinputmul-tipleoutput(MIMO)radarincorrelatedGaussianclutterdominatedscenariowithunknowncovariancematrixisdealtwith.Thegen-eralMIMOmodel,withwidelyseparatedsub-arraysandco-locatedantennasateachsub-array,isadopted.Firstly,thegeneralizedlikelihoodratiotest(GLRT)withknowncovariancematrixisob-tained,andthentheRaoandWalddetectorsaredevised,whichhaveprovedthattheRaoandWaldtestcoincidewithGLRTdetec-tor.Tomakethedetectorsfullyadaptive,thesecondarydatawithsignal-freewillbecollectedtoestimatethecovariance.Theper-formanceoftheproposeddetectorisanalyzed,however,itisjustancillary.Athoroughperformanceassessmentbyseveralnumer-icalexamplesisalsogiven,whichhasconsideredthesensewithco-locatedantennasconfigureoftransmittersandreceiversarray.Theresultsshowthattheperformancetheproposedadaptivede-tectorisbetterthanLJ-GLRT,andthelosscanbeacceptableincomparisontotheirnon-adaptivecounterparts.

简介：AschemeforcontrolledteleportationofanunknownN-qubitentangledGHZstatefromthesenderAlicetothedistantreceiverBobisproposed.Andm-qubitGHZstateissufficientforthetaskofcontrolbymspatially-separatedsupervisors.Conditionedonthelocaloperationsexecutedbyallparticipants,Bobcanfaithfullyrestoretheoriginalstatebyperformingrelevantunitarytransformationswiththeaidofsomeclassicalmessageaboutmeasurementresults.Anyone'sabsencewillabsolutelyleadtothefailureofteleportation.

简介：作者在一个三维的分层的领域考虑热转移问题的一种特定的类型，与边界上以及在接口上的非线性的Stefan-Boltzmann条件。决定边界的未知部分(或腐蚀)由Cauchy，可达到的部分上的数据是在工程的一个重要反的问题。这个问题的数学模型被介绍，前面的问题的well-posedness和反的问题的唯一被获得。关键词反的热问题-Stefan-Boltzmann条件-唯一2000苏布杰克特先生分类35R30-中国(号码07JC14001)的上海自然科学基金会支持的35K20工程，中国的教育部的博士程序基金会，为数学(号码10826105)的Tianyuan资金，国家基本研究程序(号码2005CB321701)和111工程(没有。B08018)。

简介：Averysimpleschemeispresentedforteleportinganunknownfrequencystatewiththesuccessfulprobabilityof50%.Twoacoustic-opticalmodulatorsandfournarrowbandphotodetectorsintheproposedschemeareused.OneadvantageofourschemeisthatnoBell-statemeasurementisneedandnoanyunitarytransformationisperformed.

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简介：Ubiquitousradarisanewradarsystemthatprovidescontinuousanduninterruptedmultifunctioncapabilitywithinacoveragevolume.Continuouscoveragefromclose-in'pop-up'targetsincluttertolong-rangetargetsimpactsselectionofwaveformparameters.Thecoherentprocessinginterval(CPI)mustbelongenoughtoachieveacertainsignal-to-noiseratio(SNR)thatensurestheefficiencyofdetection.TheconditionofdetectioninthecaseoflowSNRisanalyzed,andthreedifferentcasesthatwouldoccurduringintegrationarediscussedandamethodtodeterminetheCPIispresented.ThesimulationresultsshowthattargetsdetectionwithSNRaslowas-26dBintheexperimentalsystemcanpossiblydeterminetheCPI.

简介：到达(DOA)评价方法的一个计算有效宽带方向面对未知相关噪音被介绍。集中转变仅仅信号subspace的矩阵的快两方面的关联转变(TCT)第一被开发，然后增殖者方法被利用计算集中的矩阵和噪音关联矩阵。与常规宽带DOA评价方法相对照，建议方法要求仅仅线性的操作但是不包含任何eigenvelue分解估计集中的矩阵；它喝更低的计算精液，特别当传感器数字比来源数字大时。因为噪音关联矩阵从数组关联矩阵被估计并且消除，DOA评价的精确性甚至面对未知关联噪音被改进。计算机模拟结果验证了方法的效率。

简介：Channelfrictionisanimportantparameterinhydraulicanalysis.AchannelfrictionparameterinversionmethodbasedonKalmanFilterwithunknownparametervectorisproposed.Numericalsimulationsindicatethatwhenthenumberofmonitoringstationsexceedsacriticalvalue,thesolutionishardlyaffected.Inaddition,KalmanFilterwithunknownparametervectoriseffectiveonlyatunsteadystate.Forthenonlinearequations,computationsofsensitivitymatricesaretime-costly.Twosimplifiedmeasurescanreducecomputingtime,butnotinfluencetheresults.Oneistoreducesensitivitymatrixanalysistime,theotheristosubstituteforsensitivitymatrix.

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