digital terrain data 中文意思是什麼

digital terrain data 解釋
數字地形資料
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • terrain : n. 1. 地面；地帶；地區。2. （知識的）領域范圍。3. 【軍事】地形，地勢。4. 【地質學；地理學】巖層，巖群；地質建造。
  • 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...
  1. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測量數據進行拼圖技術的研究，主要研究的內容有：利用分帶原理對深度數據進行潮汐修正，得到瞬時海面的深度數據；對測深數據進行誤差分析處理，去除野值；將多波束數據進行坐標變換及投影轉換后構建數字地理模型，進而根據海道測量規范繪制標準海圖。
  2. The settlement isoline map, based on subsidence prediction in mining area, is difficult to be directly applied to land planning in mining area and mgis analysis due to its different data structure from digital terrain map

    摘要基於開采沉陷預計的採煤區下沉等值線圖不便於直觀地反映礦區地形的動態變化，其圖形數據結構與數字地形圖存在差異，難以直接用於規劃設計和礦區gis分析。
  3. 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。
  4. The digital map is usually formed by the water depth ' s database measured on the seabottom. because of the disadvantage that the database is kept secret, this dissertation introduces a new method : first, the depth data are picked up from the electronic chart, then interpolation of the depth datum by kriging algorithm is adopted to gain the digital map. the method is the precondition of the terrain matching when it is researched by simulation, and it is the complement of the database

    通常數字地圖都是通過海底測量的海底水深數據庫來形成，針對水深數據庫存在保密性等特點，本文提出了一種從電子海圖提取水深數據，然後採用kriging方法進行插值形成數字地圖的方法，該方法是進行地形匹配模擬研究的前提，而且它也是海底水深數據庫的一個補充。
  5. Meanwhile, we built models of data collection, soeciai point ' s altitude handling, grid point ' s altitude handling, designed a method which can rapidly collect and process terrain data by descripting the contour line with mouse, and designed corresponding software by c + + builder5. 0. therefore, military digital maps can be facilitly and quickly made and computer - aided terrain analysis can be realized, thus the system can effectively help the commanders or staffs make their decision

    同時建立了數據採集、特殊點高程處理、網路交點高程處理等模型，設計了一種可通過鼠標器描繪等高線而實現地形數據的快速採集、處理和賦值的方法，運用c + + builder5 . 0設計了相應的軟體，能夠方便、快捷地生成數字化軍用地圖並進行計算機輔助分析地形，從而能夠有效地幫助指揮員或者參謀人員進行決策。
  6. 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。
  7. The principle, antenna and some problems of terrain mapping radar are described. two origins of terrain data and digital simulated radar model have been fused

    並論述了地形測繪雷達的原理、天線形式、存在的問題，給出了產生實時地形數據的雷達數學模型。
  8. First in chapter 1, we introduce the background of the 3 - d digital terrain map, discuss the resolution of the data source of the 3 - d digital map and propose an idea that retrieving 3 - d data with b - spline surface interpolation based on the contour line distilled from paper map

    首先在第一章中介紹了三維電子地形圖系統的研製背景，簡要介紹了解決目前三維顯示數據來源的方法，提出了從紙地圖的等高線提取三維數據的思路，並對整個方案的實現框架作了簡要的介紹。
  9. Pedodiversity is a new theory and method based on biodiversity conception in ecology but applied to non - renewable non - biological resource that was developed since the 1990s. this paper applied pedodiversity analytical theory and method to analyze the spatial variability of the soils developed on different parent materials and terrains, the data source is 1 : 1, 000, 000 scale soil and terrain digital database ( soter ) of shandong province, china

    土壤多樣性理論是20世紀90年代發展起來的、基於生態學中生物多樣性概念但應用於不可再生性非生物資源的一種新的理論與方法.本論文應用土壤多樣性分析理論與方法，以山東省1 ： 100萬土壤-地形體數字化數據庫（ soter ）為數據源，對不同母巖、不同地形上發育的土壤空間可變性進行了研究。
  10. It discusses data storage format and the conception of threat model, which can add the threat to digital map that can transform the threat avoidance to terrain avoidance

    討論了數字地圖數據的存儲格式。提出了威脅模型的概念，並且把威脅疊加到數字地圖中，把威脅迴避轉化為地形迴避來處理。
  11. The main contents are as follows : it discusses and simulates several problems of digital map technique in aviation : including random terrain, mountain simulation, fractal surface generation, by those we can get statistic data of the terrain. we can get the data not on the grid by fractal interpolation surface

    具體內容包括以下幾個方面：針對數字地圖技術，本文討論並研究了隨機地形演算法、山峰模擬演算法、分形曲面生成演算法，通過這些演算法可以得到具有不同統計特性的地形數據；使用基於分形插值曲面演算法可以得到不在網格點上的地形數據。
  12. 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。
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