学科分类
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131 个结果
  • 简介:在这份报纸,square-integrableR3和R7上的珍视Octonion的功能空格被分解成奥克托尼恩·哈迪的直接的和并且结合强壮的空格,并且上面的一半上的square-integrableOctonion函数空格空格R+4并且R+8直接被分解成无穷第一个部件只是OctonionBergman空格的在subspaces的和。R3和R7上的奥克托尼恩·哈迪空格被描绘。

  • 标签: l
  • 简介:Thetheoreticalframeworkofvisualsimulationinvirtualrealityisdiscussed.Thenewconceptofvisualimagespaceissupposed.Onthebasisofvisualimagespace,invisualperceptivesense,VRisconsideredasaspatialsimulation.Theobjectiveofthespatialsimulationistotransformphysicalspacetovisualimagespace.Last,theprototypesystem,surveying&mappingvirtualReality(SMVR),isdeveloped,andthespacesimulationaboveisrealized.ByuseofSMVR,thereal3Drepresentation,3Dvisualanalysis,virtualplananddesignscanbeimplemented.

  • 标签: 物理空间 可见图像空间 可视化 空间模拟 SMVR 测量地图
  • 简介:TheWeylcurvatureofaFinslermetricisinvestigated.ThiscurvatureconstructedfromRiemannaincurvature.ItisanimportantprojectiveinvariantofFinslermetrics.TheauthorgivesthenecessaryconditionsonWeylcurvatureforaFinslermetrictobeRandersmetricandpresentsexamplesofRandersmetricswithnon-scalarcurvature.AglobalrigiditytheoremforcompactFinslermanifoldssatisfyingsuchconditionsisproved.ItisshowedthatforsuchaFinslermanifold,ifRicciscalarisnegative,thenFinslermetricisofRanderstype.

  • 标签: 威尔曲率 芬斯勒空间 黎曼几何 必要条件 紧流形
  • 简介:Roughsetisanewapproachtouncertaintiesinspatialanalysis.Inthispaper,roughsetsymbolsaresimplifiedandstandardizedintermsofroughinterpretationandspecializedindication.Roughspatialentitiesandtheirtopologicalrelationshipsarealsoproposedinroughspace,thusauniversalintersectedequationisdeveloped,androughmembershipfunctionisfurtherextendedwiththegrayscaleinourcasestudy.Wecompletethreeworks.First,asetofsimplifiedroughsymbolsisadvancedonthebasisofexistingroughsymbols.Second,roughspatialentityisputforwardtostudytherealworldasitis,withoutforcinguncertaintiesintocrispset.Third,roughspatialtopologicalrelationshipsarestudiedbyusingroughmatrixandtheirfigures.Therelationshipsaredividedintothreetypes,crispentityandcrispentity(CC),roughentityandcrispentity(RC),androughentityandroughentity(RR).Auniversalintersectedequationisfurtherproposed.Finally,themaximumandminimummapsofriverthematicclassificationaregeneratedviaroughmembershipfunctionandroughrelationshipsinourcasestudy.

  • 标签: 空间实体 空间元 地理信息系统 GIS 粗符号 粗装置
  • 简介:InthispaperweconsideraconvolutionoperatorTf=p.v.Ω*fwithΩ(x)=K(x)×e(r)λ>0.whereK(x)isaweakCalderon-Zygmundkernelandh(x)isareal-valueddifferentiablefunction.WegiveaboundednesscriterionforsuchanoperatortomaptheBesovspaceB10.1(Rn)intoitself.

  • 标签: 对口 刀口 口试
  • 简介:Y-RiemannianmetricgYisanimportanttoolinFinslergeometry,whereYisasmoothnon-zerovectorfieldonFinslermanifold.IfYisageodesicfield,itisveryeffectivetostudyflagcurvatureusingY-Riemannmetric.Inthispaper,usingaspecialY-Riemannmetric(thatis,socalledv-Riemannmetric),westudyhyperspheresinaMinkowskispaceandgivesomecharacteristicsofhyperspheresinaMinkowskispace.

  • 标签: 超球面 MINKOWSKI空间 特征 Chern联络 Y-Riemman度量 FINSLER流形
  • 简介:Afteraseriesoftransformation~([1,2])iftheinteractionissupercentral,theSchrodingerequationintheultrasphericalframeis

  • 标签:
  • 简介:因为四元数球被用来为旋量领域学习AdS/CFT问题,进一步学习几何学是值得的(在克莱因的感觉)并且它上并且在它的扩大空间的分析(在Behnke-Thullen的意义),四元数射影的空间。

  • 标签: 四元数球 四元数投射空间 旋量场 几何学 扩展空间
  • 简介:Domaindecompositionmethodandmultigridmethodcanbeunifiedintheframeworkofthespacedecompositionmethod.Thispaperhasobtainedanewresultontheconvergencerateofthespacedecompositionmethod,whichcanbeappliedtosomenonuniformlyellipticproblems.

  • 标签: Nonlinear problem SPACE DECOMPOSITION method SCHWARZ
  • 简介:Conventionalmultispectralspaceforcolorrepresentationismodifiedbyalgorithmofclusteranalysisandprincipalcomponentanalysis.Resultsshowthatthenewermodifiedmultispectralspacenotonlykeepingthestructureoftheoriginalspacebuteliminatingzero-crossesaswellitsaccuracyofcolorrepresentationishigherthantheconventional.

  • 标签: 多谱线 色系表征 大地测量 光谱
  • 简介:Forasubdivision△ofaregionind-dimensionalEuclideanspace.weconsidercomputationofdimensionandofbasisfunctioninsplinespaceS((△)consistingofallCpiecewisePolynomialfunc-tionsover△ofdegreeatmostk.AcomputationalschemeispresentedforcomputingthedimensionandbasesofsplinespaceS(△).ThisschemebasedOntheGrobnerbasisalgorithmandthesmoothco-factormethodforcomputingmultivariatespline.Forbivariatesplines,explicitbasisfunctionsofS(△)ageobtainedforanyintegerkandrwhen△isacross-cutpartition.

  • 标签: 口形 户口
  • 简介:ThearchitectureandprotocolsofInternetcan'tworkwellinspaceenvironments.Toformareliableandsafespacenetwork,characteristicsofspacecommunicationnetworkonediscusse,briefsynthesisisperformedforconsultativecommitteeforspacedatasystem(CCSDS)spacecommunicationsprotocolstandards(SCPS),andamodelaccountingfordatasecurityproblemofspace-earthintegratednetworkisprovided.

  • 标签: 空间网络 安全性 空间通信 CCSDS TCP/IP
  • 简介:在这篇文章,在三维的Lorentz空间的类似的运动的性质被调查。另外,在速度之间的一些几何结果和在一个空间运动的一个点的加速向量被获得。给词调音:类似的运动;空间kinematics;Lorentzian几何学

  • 标签: 同位运动 空间运动学 Lorentzian几何学 加速度向量
  • 简介:AmethodbasedonHSIcolorspaceispresentedtosolvetheproblemofcircledetectionfromcolorimages.Intermsoftheevaluationtotheedgedetectionmethodbasedonintensity,theedgedetectionbasedonhueischosentoprocessthecolorimage,andthesimplifiedcalculationofhuetransformisdiscussed.ThenthealgorithmofcircledetectionbasedonCannyedgedetectionisproposed.Duetothedispersivedistributionofthedetectedresult,Houghtransformationandtemplatesmoothareusedincircledetection,andtheproposedmethodgivesaquitegoodresult.

  • 标签: HSI COLOR space EDGE DETECTION circle