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15 个结果
  • 简介:Beginningwiththeanalysisofthebehaviorofnaturalants,thispaperilluminatestheprincipleandmethodthat,byadoptingimagetextureenergyaspheromoneandfindingtheirwayonthetrackofthepheromone,artificialantshavetheabilitytoidentifyandrememberthroughsimilarmeasurementofpheromone.Basedonthequantityofexperiments,thispaperanalyzessomefactorsthatinfluencetheabilityofartificialantsanddrawssomeconclusionsaboutthelawofantperception.

  • 标签: 图像处理 人工智能 遥感技术 测绘工作
  • 简介:Inthispaperthedevelopmentofthetechnologyofthelaserscanningissummarized.Theprinciplesoflaserrangescanningareintroduced.Basedonthelaserscanningtechnologyandmethods,whichareinvestigatedbytheauthorstosurveydepositvolume,asurveyingsystemisdevelopedandapracticalapplicationisperformed.Itisshownthatthelaser-scanningtechnologyhasobviousadvantagessuchasmeasurementprecision,automationandvisualizationofobserveddataincomparisonwiththetraditionalmethods.Asaresult,laborintensityisrelievedobviouslyandworkefficiencyispromoted.

  • 标签: LASER RANGE SCANNER VOLUME measurement 3D
  • 简介:以便在实际侦察环境解决emitter识别问题,属性数学被介绍。属性集合和属性措施的基本概念和理论详细被描述。基于属性,措施在这篇论文被介绍的一个新属性识别方法。申请例子被给,它表明这个新方法精确、有效。而且,为认出emitter目的计算机摸拟;计算机模拟被选择,并且与通过模拟的古典统计模式识别相比。优秀试验性的结果证明这作为与存在统计模式识别技术相比是一个崭新的属性识别方法。

  • 标签: 属性测量 识别标准 雷达 发射器
  • 简介:GeographicalInformationSystem(GIS)iswidelyusedinmanyfields.Withtherapiddevelopmentofcomputernetwork,GISuserscaremoreaboutdatasharinginnetworks.Intraditionalrelationaldatabase,dataconsistencywascontrolledbyconsistencycontrolmechanismwhenadataobjectislockedinasharingmode,othertransactionscanonlyreadit,butcannotupdateit.Thisisappropriateintraditionalrelationaldatabasesthatstoreattributedataandmainlydealwithshorttransactions.Inspatialdatabases,becauseofvastamountofdataandcomplextopologicalrelations,longtransactionaremetfrequently.Ifthetraditionalconsistencycontrolmethodhasbeenusedyet,thesystem'sconcurrencywillbebadlyinfluenced.SotherecomemanynewrequirementsfortheconsistencycontrolinthefieldofGIS.Therearemanyaspectsofdataconsistencyproblemsinspatial databases,suchastheinconsistencybetweenattributeandgeometrydata;theinconsistencyoftopologicalrelationsaftergeometryobjectshasbeenmodified.Inthispaper,othertwocasesofdataconsistencyarediscussedinMulti_userGeographicalInformationSystem.  InGIS,therearemanyformsofdata,suchasgeometrydata,attribute,imagedata,andDEMdata.Inthispaper,weonlydiscussspatialgeometrydata.

  • 标签: DATA SHARING DATA CONSISTENCY lock UNDO/REDO
  • 简介:就在区域,精确,在国家、省、城市的伪大地水准面之中存在的资料和决定的差别而言,象资料转变和weighting那样的一些方法在这篇论文根据精确被介绍与不同区域,精确,资料和决定使伪大地水准面模型正常化。这样,伪大地水准面的无缝的拼接被认识到。

  • 标签: 似大地水准面模型 无缝拼接 数据转换 分辨率 正常化 基准
  • 简介:Throughtheanalysisoftheprinciple,errorsourcesandprecisionoftrigonometricleveling,thispaperpointsoutthekeyproblemsaboutfirstorderlevelingreplacedbytrigonometricleveling;andforthefirsttimeputsforwardthat,insomegivenconditions,itisnotonlyfeasiblebutalsovaluabletoreplacefirstorderlevelingbyprecisetrigonometricleveling,andprovesitbyexperimentationaswell.Thecontentandconclusionofthispaperhaveconsultingsignificanceandpracticablevalueforoursettingdownrelationalcriterionandproductionpractice.

  • 标签: 三角法 水准测量 变形监测 平地
  • 简介:Inthispaper,theauthorsputforwardabriefandpracticalarithmeticforautoextractingterrainlinesfromdigitalterraindataafteranalyzingandcomparingcurrentarithmetics.Thispapergivesanexperimentresultthattheridgeandvalleyextractedbythearithmeticisconsistentwiththeexperimentalterrain.

  • 标签: 等高线 测量方法 自动测量 制高点 地形测量
  • 简介:一个潮模型(命名DN1.0)它在中国海和西北太平洋上包含12主要成分被从1993~2002拿的沿着轨道泛音分析withTOPEX/Poseidon测高法数据估计。CSR3.0,FES95.2和DN1.0areusedrespectively到detide为在YellowSea,华东海,华南海和西北太平洋的海水平异例(SLA)的时间系列的数据。SLA曲线和力量光谱在中国海在SLA存在的主要部件从潮的错误产生的密度表演当模特儿。

  • 标签: 海平面异常 卫星高度测量数据 利用 潮汐模型
  • 简介:基于坦诚的优点,灵活性,高效率,格子的智力,和安全,这篇论文集中于海洋的环境信息在格子环境分享和集成的方法。根据海洋的信息,它包括multisource的特征,动态、高度维,这篇论文提供为一个multisource水兵的一个框架和技术答案环境信息格子站台。作为一个实验,原型作为它的学习区域拿华南海的区域并且当代表为海洋的信息打字,选三种水兵为环境信息。海洋的环境信息格子站台看框架和技术解决方案的可行性和实物的multisource的原型的实现。

  • 标签: 海洋环境 信息网格 原型系统 平台 电网安全 信息共享
  • 简介:Dependingonanalyzingtheabuseofequivalentweights,asetofself-containedtheorysystemonrobustestimationbasedonequivalentvariance-covarianceisestablished,whichincludesρfunction,φfunction,equivalentvariance-covariancefunction,influencefunctionandbreakdownpoint.Andanexampleisgiventoverifythattherobustmodelsproposedinthispaperarereliableandcorrect.

  • 标签: 柔韧的评价 相等的重量 相等的变化协变性
  • 简介:WehaveintegratedinformationfromseismicmomenttensorsandGPSvelocitiesinQinghai_Tibetanditsmargins.Belowwesummarizesomepointsfromthisstudy. 1)ThedeformationratesfromseismicmomenttensorsandfromGPSvelocitiesarebasicallyagreedwitheachother. 2)Thetendenciesofdirectionsofseismicandgeodeticprincipalstrainrateareresembleexceptforoneortwoblocks,however,themagnitudesofaveragestrainratefromseismicmomenttensorsaremuchlargerthanthatfromGPSvelocitiesexceptformiddleTibetblock. 3)Accordingtotheopinionthatstrainenergywillbereleasedthroughearthquake,itisviableforanalyzingearthquakepotentialbycomparinggeodeticstrainratewithseismicstrainrate.Thereisearthquakepotential(>M5)inmiddleTibetinafewyears.Acknowledgment WethankDr.WangQiprovidingGPSvelocitiesinTibetanditsmargins.

  • 标签: deformation kinematics earthquake strain rates GPS
  • 简介:CombiningthedenseGPSandgravityobservationdatainSichuan-Yunnanarea,wheretherearetherelativelycompleteactivetectoniczonesandseismicdata,thispaperappliesthegeodesyandgeophysicalinversiontechniqueandtheadvancednumericalsimulationtothesynthesisstudyofgeodesyinversiontofindthedynamicprocessoftectonicmovementanddeformationintheareaandfinallytoinvestigatethekinematicscharacteristicofthegeologicalstructureofdifferentlayeranddifferentscale.Thispaperdiscussesthekinematics,dynamicsmodelaboutthecrustalmovementofactiveblocksinSichuan-Yunnanareaanditsadjacentareas.

  • 标签: 地壳运动 四川地区 动力学研究 大地测量