數字地形模型 的英文怎麼說

中文拼音 [shǔzìdexíngmóxíng]
數字地形模型 英文
digital terrain model dtm
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. According to the data of infrared nephogram of satellite, provides the concept of demct ( digital elevation model of cloudy top ), studies the technology of modeling of the surface of demct. 3. the arithmetic of triangulated network of 3d - visulazation of cloud

    2 .根據雲圖三維表現原理，從二維紅外衛星雲圖得出雲頂表面高度值，獲取雲的三維信息，類比地形數字高程模型，提出了雲頂數字高程模型（ demct ）的概念。
  2. The ded data is got from image2ded conversion and is used in terrain modeling with the method of delaunay

    通過image2ded轉換得到三維地形數組的數字高程數據信息，對該信息使用delaunay法，生成對應三維地形數據的地形模型。
  3. Applying spatial interpolation and data topographty model, realizes that isoline data create grid data, forms surface and makes three - dimensional geological body, according to the actual demands in oil and gas field development

    運用空間插值、數字地形模型等方法，根據油氣田開發中的實際需要，實現由等值線數據生成網格數據，形成構建表面，最終得到三維地質體。
  4. We obtained the uniform data distribution from discrete data points by inserting spatial dots and then set up digital elevation model ( dem ) of correlative area through constructing mutual linked triangle net. the isoline graph was implemented based on this model. during the processes, we combined the technology of stratification computing when inserting special dots in fault area with the technology of stratification triangle net in fault area for dealing with thrust data

    然後介紹了在本研究中構造逆斷層地質等值線的基本思路：從離散數據點結構出發，採用空間數據內插方法進行數據的均勻化，通過三角剖分構造出相互連接的三角形網路結構來建立起相關區域內的數字高程模型，利用該模型構造出相應的地質等值線圖，其中使用擴展點與斷層區的關系屬性進行斷層區分層空間插值計算處理和斷層區域的分層三角形網格化處理相結合的技術，實現逆斷層數據的處理和等值線繪制。
  5. Firstly, the pretreatment of character to be recognized is researched, stressed discussing the subdivisional process of character, and a kind of fast shape preserving morphological thinning algorithm is used. in the following, how to construct the structure model on the basis of characteristic point ) sub - stroke and their interrelation is discussed, and a kind of method that describe sub - stroke through the feature of the sequence of curvature is brought forward. finally, the paper adopts the recognising model of printing number that base on repository, and describes the constructing method of repository

    文中首先對待識別字元的預處理進行了研究，著重探討了字元的細化過程，採用了一種基於數學形態學的保形的快速細化演算法；接著探討了如何以特徵點和子筆段及其相互關系為基礎構造結構模型，提出了一種以曲率序列性質描述子筆段的方法：最後採用了以知識庫為基礎的印刷體數字識別模型，並詳細地描述了知識庫的構造方法。
  6. The technique of 3d terrain generation is the key technique in the virtual digital battlefield environment construction, where scene reality, multi - resolution and attribute query ability on terrain model are desired. in this dissertation, i discuss model data obtainment and model generation methods

    三維地形環境生成技術是虛擬數字戰場環境生成的關鍵技術，要求地形模型是一種真實、多解析度的、具備屬性查閱功能的幾何模型。
  7. We can apply these digital tenor models to solve problems confronted during deposit exploration. those models can help study shape, scale and distribution of different ore bodies in the deposit area, reveal the relationship between tectonics of the deposit area and copper deposit realization, they can also offer some information for deposit exploration and laneway digging

    應用數字品位模型（ dtm ）可以形象直觀地反映礦區銅元素分佈規律及不同礦體的產狀、規模；展示礦區構造與銅元素礦化的關系；可以為礦山開采和巷道開拓提供重要的參考資料；還可以由已知推未知，為礦區外圍找礦提供輔助性信息。
  8. Dem has abundant information about terrain, and we can extract the watershed basic characters, which include land surface characters, drainage network et al based on gis, and also can make certain the watershed boundary and set off sub watersheds from dem, which provide the flat roof for digital hydrological simulation

    數字高程模型（ dem ）存儲了豐富的地形信息，通過gis可以提取流域的基本特徵，包括下墊面特徵、水系、河網等，並可以依據河網等級確定流域的邊界，進行子流域的劃分。為數字水文模擬提供了平臺。
  9. In this paper, based on the tide, tidal current and ocean wave numerical computing techniques and the constructive method of seabed terrain model, the fusion and visualization of multiple digital marine geographic environmental information for the nearshore marine environmental safeguard are locally realized by using the level of detail model and 3 - d rendering technique, which will provide theoretic and experiential basis for the study field in the future

    摘要以潮汐、潮流和海浪數值的計算技術和數字海底地形模型的構造方法為基礎，應用層次細節模型和三維渲染技術，完成了近岸海洋環境保障的多種數字海洋地理環境信息的融合與可視化的局部實現，為今後此領域的研究提供了理論和經驗基礎。
  10. Scientific computation visualization interactive virtual reality computer dynamic simulation etc., to study thoroughly and carefully on critical technologies such as mixed - language programming simplification of scene models displaying realistic image and animation of 3d scene models and so on in this dissertation, the methods to build scene models were studied and applied to develop a dynamic simulation system of 3d railway scene based on this idea, the major study contents and results can be summarized as follows : 1 ) mixed - language programming can complement each other between different programming languages and the method has a general significance and can become popular many computation models including development of dtm optimum of dtm and reorganization of dtm were developed with fortran language in order to use the ripe codes, the dissertation succeeded in integrating the developed fortran codes to the visual c + + environment and achieving the course of mixed - language programming 2 ) the methods to build scene models for 3d location design were discussed in the dissertation and the development and animation of scene models had been realized by applying synthetically those technologies such as computer graphic computational geometry and geometrical modeling and computer dynamic simulation etc, and adopting opengl 3d graph library then achievement was got by using the technology of 3d visualization to livingly express design results 3 ) combing with the concerned study and development projects, adopting vc + + as development tools and in the light of those theories and algorithms stated in this dissertation, a software, which could build scene models with realism for 3d railway location design, in the name of " the dynamic simulation system of 3d scene of railway " was developed., the correctness was proved by using the software to build the 3d scene models and achieve their animation of suining - chongqing railway and yunnan - xizang railway

    本文綜合利用計算機圖形學、科學計算可視化、人機交互、虛擬現實、計算機動態模擬等理論和技術，針對混合語言編程、真實感圖形繪制以及三維景觀模型的動畫驅動等關鍵技術，進行了深入細致的研究，從而探討了建立逼真景觀模型的方法，並基於本文提出的方法研製了一個鐵路線路三維景觀動態模擬系統。基於這一思想，本文主要研究內容及研究成果如下： 1 ）混合語言編程可以實現語言優勢互補，具有普遍意義。針對數字地面模型的建立、優化、重組等計算模塊是成熟的fortran程序代碼，本文成功實現了vc + +與fortran語言的混編； 2 ）緊緊圍繞三維選線設計中景觀模型的建立方法展開研究，綜合利用計算機圖形學、計算幾何及幾何造型學以及計算機模擬技術，採用opengl三維圖形庫，實現了景觀模型的建立以及動畫驅動，使得三維可視化技術成功應用於選線設計成果的三維直觀表達； 3 ）結合有關科研課題，利用vc + +開發工具，以本文所述的理論和演算法為基礎，研製和開發了一個建立三維選線設計逼真景觀模型的系統軟體- - 「鐵路線路三維景觀動態模擬系統」 。
  11. Especially it stresses the method of modeling 3d terrain landscape using dem & digital remote sensing image based on opengl and the implementation of vector image subsystem for planning and editing railway line

    主要介紹了基於opengl利用數字高程模型、數字遙感影像重建三維地形景觀的方法、用於鐵路設計的矢量圖形子系統，並在此基礎上開發了數字鐵路選線系統。
  12. Creating 3d terrain - realistic graphics by digital elevation model

    利用數字高程模型生成地形三維模擬圖
  13. Making full use of the correlated space information of multi - beam bathymetric data, the author put forward a method of gaussian surface approximation to build the grid net of regular digital terrain model ( dtm ) of surveyed seafloor, which is more accurate than other approximation methods

    本文充分利用了多波束數據的空間相關信息，提出了一種基於高斯地形曲面擬合的數字地理模型數據網格化方法，準確快速地得到標準等深線圖。
  14. Campus figure high datum, dem of model, cheng can be used to set up the geometirc model of topography, the aviation image of the campus is the most direct, main source of the topographical lamination data, in a situation that the condition is permitted, you had better collect penetrating the aviation image of digitization of campus, the lamination data of the earth ' s surface can be obtained from penetrating the aviation image directly at this moment, the operation of shining upon of lamination is more convenient too

    校園數字高程模型dem數據可用以建立地形幾何模型，校園航空影像則是地形紋理數據的最直接、最主要的來源，在條件許可的情況下，最好能收集到校園數字化的正射航空影像，這時地表紋理數據可以直接從正射航空影像上獲取，紋理映射操作也比較方便。
  15. 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 terrain visualization in three - dimensional gis, such as terrain modeling techniques for digital elevation model, basic theory of three - dimensional terrain visualization, dynamical three - dimensional terrain display with simplified model, and spatial query methods within three - dimensional terrain maps. among these techniques, combined with concrete requirements for visualization in flood control decision - making system, this thesis emphasized on the following aspects : 1

    本文在吸取了計算機圖形學、現代數學、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gis中地形三維可視化的理論、技術和演算法，包括數字高程模型的地形表面建模技術、地形三維可視化的基本理論、基於模型簡化的地形三維動態顯示技術以及基於三維地形圖的空間查詢技術。
  16. A digital elevation model ( dem ) is a digital file consisting of terrain elevations for ground positions at regularly spaced horizontal intervals. dem may be used in the generation of three - dimensional graphics displaying terrain slope, aspect ( direction of slope ), and terrain profiles between selected points

    數字高程模型（ dem ）是反映高程信息的數字地面模型，它是以數字的形式按一定的結構組織在一起、表示實際地形高低起伏和地形大小特徵的空間分佈模型。
  17. Basing on the foreshore digital terrain model and with the help of gis platform, the function of spatial information management and foreshore terrain analysis is integrated in the system, and coupling query and sql query are realized in it, too. the system has been used for several layout projects, and the effect has benn proved good

    以灘塗數字地形模型為基礎，藉助于地理信息系統平臺，系統集空間信息管理和灘塗地形分析功能於一體，實現了多種數據的耦合查詢、條件查詢等，並且參與了相關項目的規劃工作，實踐證明效果良好。
  18. With the help of advanced remote sensing digital technique and on the data basis of the topography map data and some gps controlling points the dems in tiantai village xuanhan county sichuan province have been set up before and after the occurrence of superlarge landslide in on sept 5th. 2004

    摘要2004年9月5日，四川省宣漢縣天臺鄉的義和村發生特大型滑坡災害后，利用先進的數字遙感技術，結合地形圖資料和野外所則的gps控制點，製作出研究區滑坡前後的數字高程模型（ dem ） 。
  19. On the basis of geographic information system, the data files of foreshore terrain in shanghai about twenty years are exported with the support of digital elevation model. basing on these files, the foreshore digital terrain model is established

    在地理信息系統的平臺上，本文藉助數字高程模型，導出上海市近二十年灘塗地形的數據文件，並以此為基礎建立了灘塗數字地形模型。
  20. The paper, which is based on the project of national science fund - behavior - characteristic modeling for distributed & interactive 3d scenery and the project the development of distributed and interactive 3d simulation platform, chiefly research the modeling of 3d scenery and the method to real - timely rending the scenery. the paper mainly involved four parts : the generation of digital terrain model, the rebuilding of 3d terrain, the method to real - time rendering 3d terrain, the technology of the photo - realistic terrain generation

    本文結合國家自然科學基金的項目《分佈交互三維行為?特徵建模方法的研究》和《分佈交互三維模擬平臺的開發》 ，主要研究了三維場景建模及其實時渲染方法，內容涉及到以下幾個方面：數字地形模型的生成、三維地形的改造、三維地形的實時渲染方法、真實感地形的生成技術。
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