數字地圖模型 的英文怎麼說
中文拼音 [shǔzìdetúmóxíng]
數字地圖模型
英文
digital cartographic model- 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 ...
- 圖 : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
- 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...
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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。( 3 ) distill the environmental geologic factors and analyzes their harmness and reasons mainly analyzes the status in quo, reason, distribution, harmness and defend for the falls, surface sink, mine suddenly water, landslip, castoff, etc. ( 4 ) evaluate the probability of the geology calamity take use of the method of factors and coverage union to evaluate the probability of the geology calamity, and then plot out the high, middle and low probabilit
( 3 )提取環境地質因素並進行分析其危害及成因利用提取的要素、數字地面模型和屬性數據庫及常規資料重點分析了構造、塌陷、礦坑突水、崩塌、廢棄物、地下水疏干區等要素的現狀、分佈、成因、危害及防治。 ( 4 )為金礦區地質災害易發性做出評價利用權重值和圖層疊加的方法對金礦區地質災害易發性做出評價,把金礦區劃分為高易發地區、中易發地區和低易發地區,針對這些地區提出治理措施。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。This paper which starts from the actual needs, directed by the theory of cartology analyses all kinds of requires and functions for dmges, and create the spatial data model of the software system, combining the new generation programming technology, taking the oo software modeling, analysis, design method, it realized the collection, display of digital map data and the building of map denotation library, hi the end, this paper put forward the go - on research in future
本文從數字地圖制圖的實際需要出發,在地圖學理論的指導下分析了數字地圖圖形編輯系統的各種功能和需求,並建立了軟體系統的空間數據模型。結合新一代的計算機程序設計技術,採用面向對象的軟體建模、分析和設計方法實現了地圖數據的採集、顯示、編輯、地圖符號庫的建立。最後提出了需要進一步研究和完善的內容。Large - scale digital elevation model is foundation of spatial information in cybercity and provides a great deal of information for 2d map and 3d model of cybercity, and it provides a kind of efficient method to manage, store and maintain a great many data of cities " elevation
大比例尺數字高程模型是數字城市空間信息的基礎,它提供了數字城市中的二維地圖和三維城市模型信息,為海量的城市高程數據提供了管理、存儲和維護的有效手段。By using visual basic 5. 0 language, activex automation interface, the oop technology and developing autocad 2000, the system not only can achieve the horizontal design and the vertical design of three - legs and four - legs intersection at the tangent section and the curved section, but also can calculate earthwork based on digital terrain model
本系統以vb5 . 0為開發工具,採用面向對象的編程方法,利用activex自動化技術,通過對autocad2000的二次開發,可以進行處于直線路段、曲線路段的三路、四路交叉口的平面設計和立面設計與繪圖,完成基於數字地面模型的工程數量計算。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。2. building the grid - framed dem of viet nam and the grid - layer chart with the properties of gradient and direction with geographical information system technology ( gis ) and contour line with rate of 1 : 500, 000
( 2 )採用地理信息系統技術,以及越南1 : 50萬比列尺的等高線資料,建立越南地區柵格結構的數字高程模型( dem ) ,以及屬性為坡度和坡向的柵格圖層。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」 。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。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。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。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 ) 。This paper uses digital line graphs for original data. after author bases on large - scale relief map " feature and analyses the feature, data structure and creation algorithms of two main representation shape ? triangulated irregular network and regular grid, author provides a kind of method that large - scale dem is created from tin which is created from large - scale dlg
本文以數字線化圖為原始數據,針對大比例地形圖的特點,在分析了數字高程模型的兩種主要表現形式? ?不規則三角網tin和規則格網grid的特點、數據結構、生成演算法的基礎上,考慮到大比例尺數字高程模型能最大限度符合實際地形特點,提出了一種從大比例尺數字線化圖dlg生成不規則三角網tin ,再由不規則三角網內插生成大比例尺數字高程模型grid的方法。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。Using the information of digital - map database still can compensate the position error in a scope. among them on the digital map platform, roads message database of harbin city was established which was developed by our self lab. utilization map matching algorithm shows the vehicle track on the correct road
利用數字地圖數據庫的信息還可以在一定范圍內對定位誤差進行修正補償,在我們實驗室自主開發的電子地圖平臺上,以哈爾濱市地圖為模型建立道路信息數據庫,利用地圖匹配演算法將車輛位置顯示在正確的道路上,如果數據庫相當精確,這一技術能改進定位模塊的精度。With reference to calculation methods of solar radiation within domestic and abroad literature and with the help of our country ' s dem ( with its resolution is 1 km x 1 km ), we build a new model for potential solar radiation calculation combining with pci geomatica ' s platform. in the calculation, hypothesis is that insofar one clear day in more than one year as the biggest value of solar radiation of one day in many years is defined as potential value of daily global solar radiation, we also consider the infection of the slope, aspect and its geometry relations affect on solar radiation. we calculate potential solar radiation which maybe useful for research the distribution of solar energy and build large - scale grid database of our country ' s solar radiation
本研究試圖在借鑒國內外已有的太陽輻射計算方法的基礎上,利用全國的1 : 100萬數字高程模型數據( grid大小1km 1km )為數據源,以pcigeomatica為計算平臺,以全國多年的太陽輻射日觀測數據進行模式驗證,在晴天無雲的理想條件下,根據太陽光線與實際地形間的幾何關系,研究坡度、坡向等地形因子對太陽輻射的影響,探討太陽輻射在復雜地表上的分配規律,力求尋找潛在太陽總輻射合理的計算方法,為研究太陽輻射時空分佈特徵和建立全國尺度的太陽輻射柵格氣象數據庫奠定基礎,為大尺度上的生態學過程研究提供基礎信息。Geometry data is modeled as a regular grid, and texture comes from the remote sense or satellite images
地形幾何數據來源於數字高程模型( dem ) ,紋理數據來源於衛星和遙感圖象。The intelligent vehicles localization, the navigation, the way calculated, evades bonds is the this article main content ; mainly from the machine vision technology, the radar technology, the high accuracy digital map and the navigation technology satellite, introduced global positioning system gps, the vehicles combined navigation localization, intelligence and so on digital map data bank technology comes out the main technology, finally has obtained the adapt ion intelligence tra nsportation system intelligent vehicles model
智能車輛的定位、導航、路徑推算、避障是本文的主要內容;主要從機器視覺技術、雷達技術、高精度的數字地圖和導航技術,介紹了全球定位系統gps 、車輛組合導航定位、數字地圖數據庫技術等智能車輛的主要技術,最後得出了適應智能交通系統的智能車輛的模型。分享友人