云南高校图书馆联盟文献共享服务平台- SPATIAL

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An efficient spatial anti-aliasing method for deferred shading: 《Computer Aided Drafting,Design and Manufacturing》2017年第2期57-63,共7页Ye Chengchun Lai Shunnan Li Sheng; Supported by National Natural Science Foundation of China(NSFC)(61232014,61421062,61472010);National Key Technology R&D Program of China(2015BAK01B06);National Marine Public Service Project(201505014);Equipment Development Project(315050501); In recent years, image-based anti-aliasing techniques have been widely investigated in real-time computer graphics. Compared to traditional routine of anti-aliasing, image-based methods, which combined with deferred s...; 关键词：ANTI-ALIASING deferred shading compute shader execution divergence

Oracle Spatial NDM路网模型构建及应用被引量：3: 《测绘科学》2014年第5期27-31,共5页程立君王发良崔少芳; 国家科技支撑项目(2012BAJ05B02); 地理国情普查提出构建"道路网专题数据库",但目前还没有针对国情普查道路网络模型相关研究。本文根据地理国情普查道路数据采集技术规范,基于前期汇交的试点数据,提出了地理国情普查道路网的概念模型和逻辑模型;并利用Oracle Spatial ND...; 关键词：地理国情普查 ORACLE SPATIAL NDM 道路网模型网络数据分析

A method to evaluate the spatial extensibility of a switching unit and network: 《Science China(Information Sciences)》2014年第2期134-150,共17页ZHANG Bo WU JunTing WANG BinQiang LI Hui; supported by National Basic Research Program of China(Grant Nos.2012CB315901,2012CB-315905);National Natural Science Foundation of China(Grant No.NSFC61179028);National High-Tech Research&Development Program of China(Grant No.2011AA01A103);National Key Technology R&D Program(Grant No.2011BAH19B01); Switching units and networks have been analyzed as extensible fabrics, mostly in terms of their scheduling algorithms. The traditional literature on switching extensibility has provided complexity theory only relating...; 关键词：spatial extensibility connection state efficiency of switching banyan fully interconnected recir-culation switching network

Generation of high spatial and temporal resolution NDVI and its application in crop biomass estimation被引量：6: 《International Journal of Digital Earth》2013年第3期203-218,共16页Jihua Meng Xin Du Bingfang Wu; The research was supported by National Natural Science Foundation of China,Nos.40801144 and 41171331;Knowledge Innovation Program of CAS,No.KSCX1-YW-09-01;the National Key Technology R&D Program,No.2008BADA8B02.; While data like HJ-1 CCD images have advantageous spatial characteristics for describing crop properties,the temporal resolution of the data is rather low,which can be easily made worse by cloud contamination.In contr...; 关键词：high spatial and temporal resolution NDVI crop biomass Digital Earth data fusion

Study on early warning index of spatial deformation for high concrete dam被引量：24: 《Science China(Technological Sciences)》2011年第6期1607-1614,共8页LEI Peng CHANG XiaoLin XIAO Feng ZHANG GuiJin SU HuaiZhi; supported by the National Natural Science Foundation of China (Grant No 50589025);the National Key Technology R&D Program (Grant No 2008BAB29B03);the Research Foundation of Education Bureau of Hunan Province, China (Grant No 09C087); Owing to the deficiency in early warning for high concrete dam,a formula was established to characterize the deformation behavior of high concrete dam as a whole.The early warning index of spatial deformation was calc...; 关键词：deformation entropy early warning index SYNERGETICS dam monitoring concrete dam

中亚及新疆地质信息共享服务技术研究被引量：1: 《测绘科学》2011年第1期109-112,66,共5页孙雷刚周可法孙莉秦艳芳; 中国科学院知识创新项目(KZCXZ-YW-107-8);国家科技支撑计划项目(2006BAB07B07-04); 针对研究区区域范围较大、地质信息数据量大、数据结构复杂多样等特点,本文通过对比分析MapViewer中的各种实现方法及原理,提出了利用Oracle Spatial和Oracle Maps技术来实现中亚及新疆地质信息网络共享服务的总体设计方案,并详细阐述...; 关键词：中亚地质信息 ORACLE SPATIAL MapViewer ORACLE MAPS

Progress of the research methodologies on the temporal and spatial process of LUCC被引量：40: 《Chinese Science Bulletin》2010年第14期1354-1362,共9页LIU JiYuan DENG XiangZheng; supported by the National Basic Research Program of China (Grant No. 2009CB421105);National Key Technology R&D Program (Grant No. 2006BAC08B00);National Natural Science Foundation of China (Grant No. 70873118); After one decade of development,the methods to explore the temporal and spatial process of LUCC (Land Use and Land Cover Change) have been vastly improved; and in some sense a methodology framework used to study the t...; 关键词：土地利用变化时空过程生态系统岩石稳定性

基于Hibernate Spatial构建松散耦合地图服务的技术方法被引量：3: 《地理信息世界》2010年第3期79-83,共5页谢安涛唐建智许文波; 科技部科技支撑项目(2008BAH23B04)资助;国家自然科学青年基金项目(0801156)资助; 通过对Hibernate Spatial和JTS的研究,基于SOA体系架构,提出以服务方式,构建松散耦合地图服务的技术方法,实现将空间信息对象化表达及存储到数据库中,最终实现松散耦合地图服务。通过应用上述技术方法体系,结合某部级部门地理信息数据,...; 关键词：面向服务架构松散体系 HIBERNATE SPATIAL

基于Oracle Spatial道路线状要素增量信息更新方法研究被引量：4: 《测绘科学》2009年第2期145-147,共3页张求喜胡克新王振兴; 国家自然科学基金资助项目(40571122);十一五支撑计划项目(2006BAJ09B02); 本文通过分析地籍时空数据模型,初步得出线状时空数据模型及其相应事件,根据操作线状空间数据动作,分别建立了空间事件和属性事件,根据这两种事件操作的特性把要素单元分为了空间单元和属性单元,再根据要素的时间维,把空间单元和属性单...; 关键词：数据模型事件 ORACLE SPATIAL 查询

基于Oracle Spatial的多元灾害信息数据库——设计与应用被引量：4: 《自然灾害学报》2008年第6期13-16,共4页邓磊孙洪泉易文斌蒋卫国范一大; 国家高技术研究发展计划项目(2006AA120102;2007AA120306;2007AA120205);国家科技支撑计划项目(2006BAJ05A01;2006BAJ09B03;2006BAJ09B06); 多元异构的灾害灾情数据是各种灾害信息系统的基础和核心,科学高效的管理和应用这些数据尤为重要。介绍了基于Oracle Spatial的技术设计与构建多元灾害信息数据库的结构框架,分析了存储数据信息的种类、属性及特点,研究了数据的存储方...; 关键词：灾害信息多元空间数据 ORACLE SPATIAL Mapviewer 数据库

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