空間數據結構 的英文怎麼說

中文拼音 [kōngjiānshǔjiēgòu]
空間數據結構 英文
spatial data structure
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • 空間 : space; enclosure; room; blank; interspace
  • 數據 : data; record; information
  • 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
  1. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中:首先將物理模型簡化為力學模型,主要是將塔架桿單元簡化為桁架,目的是將力學模型變換為學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始卡利用計算機進行編程進行風載計算,再將計算論整合入algorfeas產生的初始卡中,生成計算卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖,位移圖,並且求出在不同載荷條件下的最大位移和最大應力等;然後,對塔架的穩定性進行分析;最後;根計算果提出改進建議。
  2. A cadastral spatial data storage structure based on relat ional database

    基於關系庫的地籍存儲
  3. A new model of distribution system is presented, whereby, the feeder switches are regarded as the vertcxes of a graph and the feeder lines are regarded as the arcs. the method to model distribution networks by adjacent table is put forward. therefore, storage size is reduced and calculation is speeded up

    建立了配電網的簡化模型,即將饋線開關當作圖的頂點、將饋線當作弧,採用等長鄰接表的來描述配電網,大大減少了佔用和提高了查詢速度,並建立了基於等長鄰接表的配電網路拓撲演算法。
  4. In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future

    本文合重慶市大渡口區「三木花園」開發建設項目,從地下靜力穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元值分析計算,探索了地下圍巖與高層或多層建築物地基基礎之的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依
  5. In addition, comparing to direct using fp _ growth algorithms, this algorithm has no need to expand negative item to original database, and construc or destruct additional data structures, which only make some changes on the original frequent pattern tree, so it has certain advantages in time and space costs

    除此之外,該演算法與直接使用fp _ growth演算法挖掘含負項目的頻繁項集演算法相比,無需對原始庫進行負項目的擴展,也不用再造並銷毀額外的,只需在原始的頻繁模式樹上修改,在時的開銷上都具有一定的優勢。
  6. Describes the space allocation algorithms and data structures

    說明分配演算法和
  7. Using systematic method and information organization theory, the information of cvds is induced and classified according the structure and function of the system, that is, user information, distribution center information, business information, daily dispatch information, emergency dispatch information and geography data information

    本研究接著利用系統的方法,遵循信息組織的原理,根系統整體和功能,對商用車輛調度系統的信息進行了歸納和分類,得到用戶信息、配送中心信息、業務信息、日常調度信息、緊急調度信息和信息六個層次的信息。
  8. In the brief introduction to geographical information system ( gis ), this dissertation proves that by combining reliable management with gis technology, presents a method which built the power structure model and math calculation model by using spatial data in a good interface between computer and user. this dissertation makes a number of target for calculating the distribution system, mainly aimed at circumstances which have an effect on power station repair, switch breaker, type of t connection, and double lines supply via the usage of system reliability calculation. at the same time, it provides the projected estimatio n when power station or transmission line will be added into the power system, and furnishes the theoretical information that the professional needs for power structure programming, design and equipment management

    通過建立輸變電設施管理信息系統( mis ) ,真實地反映出油田電網輸變電設施的運行管理現狀,為網路可靠性計算提供可靠的計算依;在簡述地理信息系統( gis )技術的基礎上,論證了可靠性管理與電力gis技術合的可能性,創立了在簡潔的人機圖形界面下利用建立網路模型及可靠性計算模型的方法;通過建立網路可靠性計算系統,進行了計及變電所檢修影響、切換開關、 t接點及雙回線供電情況下的可靠性指標計算分析,對油田電網及變電所(線路)的改(擴)建方案、增強性措施及接入系統的可靠性給予了工程評估,為電網規劃、設計及日常的設備管理提供分析決策依
  9. In this paper, we propose an architecture of 3d web - gis on the basis of spatial database and vrml

    本文還以庫和vrml文件為基礎,提出了一種三維web - gis體系
  10. Proceeding with several key problems about spatiotemporal segmentation, this paper discusses the generation and distribution of seeds in 3d region growing, provide the similarity measurement between pixel and volume, design the post processing and construct spatiotemporal data structure to support the algorithm. homogeneous video components with similar color feature are obtained

    從時域分割要著重解決的幾個關鍵問題入手,本文探討了3d區域生長的種子分佈和生成方法,給出了區域生長過程中的像素和元素之的相似度準則和后處理過程,並建了相應的時來支持生長演算法的進行。
  11. Based on lots of advanced results of computer graphics, modem mathematics, computer science and topography, etc. this thesis discussed the theory, techniques and arithmetic of three - dimensional visualization, such as the data structure based on three - dimensional space, terrain and object modeling techniques, basic theory of three - dimensional terrain visualization, dynamical three - dimensional terrain display, matching and display technology between terrain and objects and spatial query within three - dimensional terrain maps

    本文在吸取了計算機圖形學、現代學、計算機科學、測繪學等眾多領域大量先進理論成果的基礎上,系統的論述了三維可視化中的三維、地形地物三維可視化的理論、技術和演算法,包括三維空間數據結構的設計、地形三維可視化的基本理論、地形三維動態顯示技術、地物與地形的匹配與顯示技術以及基於三維地形圖的查詢技術。
  12. The paper introduces the development status and trends of gis, spatial data model and spatial data structure about technology characteristic. then according the procedure of land utilization status management, system analyse and design scheme is provided and modules are divided. moreover, the theory analyse is given about appraising, source and control idea of spatial data quality and the design of the realizing of spatial data quality control is discussed, combining the pre - process module, therefore a design is provided about realizing the pre - process of spatial data. furthermore, the several methods of data - sharing is analyzed and compared, and the data transforming scheme between maplnfo and cnsdtf ( chinese national geo - spatial data transfer format ) is introduced combining the data transforming module

    本文從技術特點的角度介紹了地理信息系統的發展現狀、趨勢、模型和空間數據結構;根土地利用現狀管理的業務流程進行了系統分析設計和模塊劃分,並對質量的評價、來源和控制方法進行了理論分析,預處理模塊對質量控制的實現和設計思想進行了探討,提供了一種實現預處理的設計方案;分析比較了共享的幾種方法,導入導出模塊闡述了mapinfo與cnsdtf (中華人民共和國國家標準地球交換格式, chinesenationalgeo - spatialdatatransferformat )之交換方案;給出了處理中採用的部分關鍵技術和一些具體實現方法。
  13. On the base of current spatial data structure, management technology of gis is discussed in the second chapter. using serialized file organizes graph data, and using relation database manage property data and linking data of graph and property data

    第二章在現有gis組織及空間數據結構基礎上,探討了gis管理方法;即圖形由序列化的文件管理,屬性及圖形和屬性的連接採用關系庫管理。
  14. Research on spatial data structure of general - plan of construction

    施工總圖空間數據結構研究
  15. 3. the pipe - line ' s spatial data structure is abstracted through analyzing pipe - line ' s spatial data - organizing mode

    通過分析研究管線組織模型polyvrt和dime ,抽象出管線的空間數據結構
  16. It studies on the spatial data structure of geography information and analyzes the characteristics and application of spatial databases

    研究了地理信息的空間數據結構,並對庫的特點和應用做了詳細的分析。
  17. The system adopts the c1ient / server mode, builds up the data structure for spatial and attribute date and connects spatial data and attribute data between each other

    整個系統架于客戶服務器模式下,通過建立空間數據結構、屬性庫表以及和屬性連接等方式來實現系統功能。
  18. The remainder of this paper is organized as follows : 1. in the paper we expound the general theories and concepts of the spatial data structure, spatial database and spatial data warehouse, and introduce several typical prototype systems of spatial data mining

    本文主要研究工作如下: 1闡述空間數據結構庫和挖掘的相關理論和概念,並介紹幾種目前比較典型的挖掘原型系統。
  19. With the rapid development of 3s ( gis, rs, gps ) technologies and their applications, the precision of dem and its producing speed are required to be improved continuously. this thesis focuses on the area of producing high - precision dem rapidly, trying to find the solution to this urgent and significant problem. the author puts emphases on its bottleneck, producing algorithm, and related spatial data structure

    隨著gis 、 rs 、 gps技術的迅速發展及應用的不斷深入,對dem的精度要求和建的速度要求不斷提高,本文著眼于快速、高精度dem生成技術這個大方向,尋求這一非常緊迫和重要的現實問題的解決演算法,重點研究了快速生成高精度dem的問題瓶頸、實現演算法以及相關的空間數據結構,獲得了一系列創新的進展和研究成果。
  20. This dissertation first discusses spatial data characteristics, and introduces spatial data models, spatial data structures and spatial indexes, and focus on the spatial data cache technology and the fast inquiry implementing agent technology and then analyzes the advantages of taking agent technology to solve the problems such as the network bandwidth dependence, the stability of data service, and query speeds which occur in the gis spatial data. this dissertation also discusses agent - based spatial data query model - absqm, which is designed according to agent

    本文首先討論了的特徵,對模型、空間數據結構以及索引進行了分析與論述,重點探討了緩存技術和實現快速查詢的agent技術,分析了agent技術解決gis導致的網路帶寬依賴、服務穩定性、查詢速度等技術問題所具有的優勢,對設計的基於agent的查詢應用模型( absqm )進行了論述。
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