vector data model 中文意思是什麼

vector data model 解釋
矢量數據模型
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. The support vector approach learns a parsimonious regression model from the given data to avoid the data over - fitting problem

    支援向量?歸方法可以在給定的資料中產生一個簡潔的?歸模式,以避免傳統機器學習法中的資料過度學習問題。
  2. Land adaptability evaluation based on vector - raster mixed data model

    基於矢柵混合數據模型的土地適宜性評價研究
  3. Traditional mixed data model, which manages special data in the form of files and manages attribute data in the form of relation database, is adopted during building special database ( attribute database vector and grid database ) which is the nucleus of the data bank

    數據庫中的核心部分?空間數據庫(屬性數據庫與圖形圖像庫)採用傳統的混合數據模型,以文件的形式管理空間數據,以關系數據庫管理屬性數據。
  4. Fuzzy geographical object modeling based on vector data model

    基於矢量數據模型的模糊地理對象建模
  5. Key algorithm for creating topology relation of three dimension vector data model

    建立三維矢量數據模型拓撲關系的關鍵演算法
  6. The system adopts spatial data model based on the vector data model ; topology relation model uses spatial data model combined with spatial data index ; and makes use of relation database to save spatial entity data

    本系統採用基於矢量數據模型的空間數據模型;拓撲關系模型採用空間數據模型與空間數據索引結合;採用關系數據庫存儲空間對象數據。
  7. This paper supplies systematic research on data organization method which is suitable for hngis, at the same time studies deeply on the optimization of transit route with many goals in highway network. ( 1 ) based on the systematic analysis on the spatial data model and the spatial data structure, through study on two kinds of commonly used gis data models : raster data model, vector data model and the characteristics of highway network, the paper plans the logistic data model of hngis, and proposed the spatial data storing structure based on vector method

    本文系統的研究了適合於公路網gis的數據組織方法,同時,對公路網多目標最優出行路徑問題也給予了深入的研究: ( 1 )通過對兩種常用的gis數據模型(矢量數據模型、柵格數據模型)及對公路網路特徵的分析,設計了公路網gis的邏輯數據模型,給出了基於矢量方法的空間數據存儲結構。
  8. Firstly this paper ananlyzed the way and problem of digital city in 3d visualization. then generalizing the development in 3d cis. especially in 3d spatial data model. based on the existing 3d data model, digital city is composed of piont, wire, surface > soild, we can use 3d vector data model in building 3d city model. on the other hand the paper emphasizes 3d reconstruction and 3d interactive of city building model

    本文首先分析了數字城市三維可視化所面臨的問題和發展現狀,總結了當前3dgis ,特別是3d空間數據模型的特點和功能,在此基礎上,把數字城市中幾何目標分類為:點、線、面、體四種類別,採用了三維矢量數據模型建立三維城市模型,而且本文著重探討了城市建築物的三維重建以及三維交互。
  9. Spatial data is the key of gis functionality and data ' s collection, integration, analysis and representation of gis open the full process of spatial data. it compares some kinds of spatial data model of gis and points that more gis adopt vector data model as the main data model with people ' s improving requests to contents that data represent. multi - source spatial data enrich the representing ability of gis, the modules of multi - source data integration are analyzed and data integrati on in oil and gal field is studied

    空間數據是gis功能的核心, gis的數據採集、集成、分析和表現展現了gis數據使用的全過程,比較gis的幾種空間數據模型,指出人們對數據所能表達的內容的要求增高,更多的地理信息系統採用矢量數據模型作為其主要數據模型;多源數據豐富了gis的表現能力,分析多源空間數據集成的模式,研究油氣田中的數據集成。
  10. According to such an idea, we propose a new retrieval method that combines xpath and vector space model, named as the vector retrieval model based on xpath. secondly, we make full use of the hierarchical architecture of xml data, and analyze the structure of every document to construct a structure thesaurus, which is designed to navigate the user query and to eliminate the structural conflict

    根據這一思想,作者提出了將xpath語言與傳統的向量空間模型相結合,實現基於簡單xpath路徑的向量檢索演算法來實現對xml文檔的檢索。充分利用xml文檔分類層次體系結構的特點,對于每篇xml文檔分析其文檔結構,並採用聚類學習演算法形成文檔結構類屬詞典,從而實現xml文檔查詢的導航機制和消除文檔結構的異構性。
  11. Based on the analyses of the map data quality standards, data model characteristics, feature coding, various specifications and rules, the paper researches and discusses thoroughly the technology and method for vector map data quality check, evaluation and control both in theory and in practice

    本文在分析地圖數據質量標準、數據模型特點、要素編碼、各種規范、細則的基礎上,研究和探討了矢量地圖數據質量檢查、評價和控制的技術、手段和方法,從理論到實踐進行了較為全面系統的研究和探討。
  12. The library gives programmers a common data model covering all raster data formats and - through ogr - vector data formats

    該庫為編程人員提供了通用的數據模型,包括所有柵格數據格式和矢量數據格式(通過ogr ) 。
  13. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜合利用灰色理論及遺傳規劃的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法:首先採用負荷轉移耦合法來修正負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;最後採用遺傳規劃來對灰色聚類結果進行符號回歸,分別得到每一類曲線的最佳擬合曲線形式。
  14. Based on these descriptions, a nd model called support vector data description ( svdd ) is founded. ( 2 ) a qualitative guide for setting those parameters in oc - svms is investigated. a multi - layer high - speed training strategy was proposed to enable support vector algorithm to handle large training data

    ( 2 )通過分析支持向量機中模型參數對檢測結果的影響,給出了確定這些參數的一般方法;提出了一種分層式的快速訓練方法,克服了樣本個數和維數對支持向量演算法應用的制約,提高了訓練效率。
  15. Firstly, the paper introduces the main theoretics and technologies of the web information retrieval. then it applies the spider to realize the information gathering. according to characteristic of uighur language, using uighur stemming based on table searching regular and arithmetic of the combined mode, uighur text segmentation is realized ; using vector space model, the paper switches uighur text information into structured data ; and appling clustering analytical method, these structured text is clustered

    本文首先分析了web信息檢索的主要理論基礎和關鍵技術,然後利用spider信息採集技術,實現了信息檢索的源信息採集;根據維吾爾語詞的特點,利用詞干表查找的維文詞干提取演算法和結合模式的維文詞語組合演算法,對維文網頁文本進行詞特徵表示;採用向量空間模型實現文本信息的結構化表達;使用聚類分析法,對結構化文本信息進行聚類,得到文本分類結果。
  16. Analyzed the differences between the vector data transformation format ( abbreviation vct ) and mif, mid format. building up conversion model between them and realizing conversion between them by programming

    分析研究矢量數據交換格式與mapinfo外部交換格式的差異,建立這兩種格式的轉換模型並對轉換模型進行程序實現。
  17. In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv

    首先簡要介紹了科學計算與科學計算可視化的概念、歷史背景、意義及應用現狀,重點說明了計算爆炸力學中的可視化問題,在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要點和本文的研究內容。在介紹可視化基本參考模型和mmic程序的數據文件結構的基礎上,給出了矢量數據文件的結構,詳細闡述了二維數據場的可視化技術,包括標量場和矢量場的可視化,針對原visc2d軟體的不足,給出了改進方法,提出了全幀著色映射方法和用於矢量數據可視化的基於噪聲著色的線積分卷積方法,以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上,針對原visc2d軟體只適用於單文檔窗口的缺點,本文利用多文檔mdi窗口,研製了標量場與矢量場的可視化軟體vsv ( visualizationofscalarandvector ) 。
  18. Furthermore, it designs and develops a corresponding software system model, including the system interface, the system architecture and the system functional modules, then analyzes the integration technology of remote sensing image processing system and geographical information system, the system modeling technique, the component development technique and dynamic link library technique. it establishes a new data model, which can process the grid data and vector data synchronously and effectively

    然後在此基礎上設計並開發了相應的軟體系統原型,包括系統界面、系統框架、系統功能模塊等;分析了遙感影像處理系統與地理信息系統的集成技術,系統建模技術,組件式開發技術和dll動態鏈接庫技術;建立了一種新型數據模型,可以同時有效的處理矢量數據和柵格數據。
  19. The paper studies and analyzes the key methods of high special - differentiating remote sensing image segmentation and recognition. the software model and system model designed in this paper have used the integration technology of remote sensing techniques and geographical information system. it carried out the possibility of processing the grid data and vector data in one single system, which shows certain innovation in the field of geographical understanding and analysis to the remote sensing images

    本文在多種高空間解析度遙感影像分割識別的關鍵技術方面進行了充分的分析與探討,設計的軟體原型和系統模型運用了遙感技術和gis集成技術,從技術上有效的實現了對柵格數據和矢量數據的統一處理,在遙感影像的地學理解與分析方面,具有一定的創新。
  20. Then, by studying fuyu county as a case, using 1 : 50000 relief map as assistant data, building up classification system of residential points, and using etm images to distill information of residential area, the inversion model of population distribution was set up, and the vector data of population distribution were obtained on the basis of residential points

    進而以扶余縣為例,以1 : 5萬地形圖為輔助數據,建立居民點分類體系,利用etm影像提取居民點信息,在以上模型的基礎上建立人口分布的反演模型,得到基於居民點的人口分布矢量數據。
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