简介:ispaperestablishesaformalmodelforhybriddiagnosis,novelfeaturesincluding:(1)Itprovidesaunifiedtheoreticalframeworkforutilizingdevicemodelsandheuristicsindiagnosis,whichnaturallyintegratesalltheimportantcomponentsofdiagnosis-thestructuralandbehavioraldescriptionofdevices,faultmodes,thelowerandupperfaultbounds,faultpossibilitiesandheuristicrules-intoadiagnosticsystem.Devicemodelspredictoutputsfrominputs,heuristicrulesinferthepossibilitiesofcertaincomponentsbeingfaultyfromsymptons,andyetthecombinationofbothconstrainseachotherforustoreducethehypothesisspace.(2)Itpresentsatypicalwayofmodelingbehaviorofdevices,towhichthekeyistheintroductionofI-Ofunctionswithindefiniteinputs/outputs.(3)Itcaneasilybeimplementedoveraforware-chaininginferenceengine.
简介:Demonstratingtheapproachtoprotractthefigureofthree-dimensionalgraphswithgeometricalformsintwo-dimensionalplanes,graphicsisabasictechnicaldisciplineofexaminingprotractingengineeringdrawingsusingthemethodofprojectionandaddressingissuesonspacegeometryaswellasitstheoryandapproach.Graphicsisalsoakindofsemioticsystemofwriting.ChinaboastsofrichtraditionofgraphicswithamazingarchitecturaldrawingsinPre-Qinperiod,boomingtheoriesofgraphicsinWeiandJinDynasties,refinedprotracteddrawingsinSongandYuanDynasties,andgraphicsbeingregardedasimportantinstrumentsinMingandQingDynastieswhenthoroughapprehensionwerepursuedinordertoseekthepracticeofadministration.ItnotonlyformsthebasisformodernandcontemporarygraphicsinChina,butalsoshapesthefuturedevelopmentofgraphics.
简介:Spacesyntaxhasproventhereappearstobeafundamentalprocessthatinformshumanandsocialusageofanenvironment,andtheeffectsofspatialconfigurationonmovementpatternsareconsistentwithamodelofindividualdecisionbehavior.Introducingspacesyntaxtocrowdsimulationwillenablespacestructureguidetherandommovementofthecrowdwithnospecifictargets.Thispaperproposesasimulationmethodofthewanderingcrowd,whichcalculatesthecrowddistributioncorrespondingtothespacethroughspacesyntaxandusesahybridpathplanningalgorithmtodynamicallynavigatethecrowdtoconformtothedistribution.Experimentsshowthepresentedmethodcanobtainreasonableandvision-realisticsimulationresults.
简介:AbriefhistoricalintroductionofresearchesonperspectiveinancientChinaispresented,thispaperstudiedanddiscussedtheperspectivetheoryorZongBing(宗炳)inthe5^thcenturyofChina,includingZongBingandthisAnintroductiontoLandscapePainting,anditsmathematicalbasis,drawingideasofZongBingaswell.
简介:Duetodramaticallyincreasinginformationpublishedinsocialnetworks,privacyissueshavegivenrisetopublicconcerns.Althoughthepresenceofdifferentialprivacyprovidesprivacyprotectionwiththeoreticalfoundations,thetrade-offbetweenprivacyanddatautilitystilldemandsfurtherimprovement.However,mostexistingstudiesdonotconsiderthequantitativeimpactoftheadversarywhenmeasuringdatautility.Inthispaper,wefirstlyproposeapersonalizeddifferentialprivacymethodbasedonsocialdistance.Then,weanalyzethemaximumdatautilitywhenusersandadversariesareblindtothestrategysetsofeachother.Weformalizeallthepayofffunctionsinthedifferentialprivacysense,whichisfollowedbytheestablishmentofastaticBayesiangame.Thetrade-offiscalculatedbyderivingtheBayesianNashequilibriumwithamodifiedreinforcementlearningalgorithm.Theproposedmethodachievesfastconvergencebyreducingthecardinalityfromnto2.Inaddition,thein-placetrade-offcanmaximizetheuser'sdatautilityiftheactionsetsoftheuserandtheadversaryarepublicwhilethestrategysetsareunrevealed.Ourextensiveexperimentsonthereal-worlddatasetprovetheproposedmodeliseffectiveandfeasible.
简介:在这篇论文,二维的弄歪的分离Fourier变换(2-DWDFT)基于1-DWDFT的概念被开发。一个准确计算算法与特殊结构基于矩阵factorizing为2-DWDFT被开发。一个快算法然后被建议极大地减少反的2-DWDFT的计算复杂性。最后,数字例子被给显示出建议途径的效率。