數字地面 的英文怎麼說

中文拼音 [shǔzìdemiàn]
數字地面 英文
dmb-terrestrial
  • 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 ...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 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
  1. ( 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。
  2. Gis ( geographic information systems ) is a computer system with collecting, checking, intergreting and analysing information which is related with interface of earth. digital terrain model display two demission geographic position and relational properts information with digital pattern. dtm is an important component of gis, and is basic of " digital earth "

    數字地面模型（ digitalterrainmodel ， dtm ）是地表二維地理空間位置和其相關的地表屬性信息的數字化表現，是地理信息系統（ geographicinformationsystem ， gis ）的重要組成部分，是數字地球的基礎。
  3. ( 1 ) at first, the conception of egis is put forward. and some basic techniques of it are discussed, including the integration of the applied numerical model with gis, the research of creating dem ( digital elevation model ) and the application of dem in ece

    本文的主要研究內容是： （ 1 ）提出建立工程地理信息系統egis ，並進行一些基本方法的探討，包括應用模型與gis集成模式的討論，數字地面模型生成的方法比較和應用。
  4. The progress of dttv in europe, asia, australia and latin america

    數字地面無線電視在四大洲內的近期進展
  5. 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。
  6. Project 25 - digital land mobile radio - security services overview

    項目25 .數字地面移動無線電.安全服務設施綜述
  7. With the development of digital tv, the change of broadcast tv from analog to digital has been the general course of development. usa, japan and europe have established their respective digital tv standard. dvb ( digital video broadcasting ) standard of europe talent showing itself gradually, dvb - t ( digital video broadcasting terrestrial ), dvb - c ( digital video broadcasting cable ) and dvb - s ( digital video broadcasting satellite ) has been applied widely in all country

    隨著數字電視的發展，廣播電視由模擬向數字的轉變已經是大勢所趨，美國、日本和歐洲先後制定了各自的數字電視標準，而歐洲的dvb （數字視頻廣播）系統逐漸脫穎而出，其中的dvb - t （數字地面廣播電視） 、 dvb - c （數字有線廣播電視）和dvb - s （數字衛星廣播電視）已在各國有廣泛的應用。
  8. Dvb - t ( digital video broadcasting ) specification is one of the dttb standards. it has better results in digital television program terrestrial reception test and has good appraisement in digital television broadcasting industry

    Dvb - t （ digitalvideobroadcasting ）是目前國際認可的數字電視地面廣播標準之一，也是廣播電視業及多國數字地面電視接收測試中評價最高的地面電視廣播標準。
  9. In the design of this project, the author has participated in the following works : the system design, chips selected, and making schematic circuit diagram of the interface hardware, and pcb design 、 debug, and the fpga control - program design, system testing and debugging, and some drivers of wince. this paper will introduce the principle of the dvb - t series standards firstly, then the sketchy design of the system will be stated

    本人主要從事系統設計，接收板硬體原理圖及印製電路板（ pcb ）設計製作並調試， fpga控製程序設計， wince部分驅動程序開發和系統聯調等工作。本文在介紹數字地面電視廣播（ dvb - t ）相關標準的基礎上，闡述了系統總體設計，軟硬體實現具體方案與原理
  10. The development of digital terrestrial broadcasting. 2. the theory of dvb - t receiver system

    2 .研究歐洲dvb系統中的數字地面廣播電視標準dvb - t的接收原理。
  11. Steps must be taken to set up digital cable tv network, digital live satellite tv system, digital terrestrial tv system and digital broadcasting system, in a bid to realize the analog - to - digital conversion of the broadcasting system to provide digital tv and related value - added services

    建立數字有線電視網、數字衛星直播電視系統、數字地面電視系統、數字廣播系統，實現廣播電視系統從模擬向數字的技術轉變，提供數字電視及其增值服務。
  12. Creation of triangulation digital terrain model and its application in alignment design

    三角網數字地面模型的生成及其在路線設計中的應用
  13. 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」 。
  14. As a mature technology for its static and accurate positioning, is widely used in the fields of geoscience study, geoid survey and other survey applications, which has brought about a new revolution for the methods and ways of survey. the digital photogrammetry can effectively reduce the work of the field survey and alleviate the labor intensity. its output results, such as digital ground model and digital products, can be widely used for engineering construction ; the outlook of its application has a bright future

    Gps靜態精密定位作為一種成熟技術已廣泛應用於地球科學研究、大地測量等各個測繪應用領域，給測量手段和方式帶來了一場新的革命；數字攝影測量技術可以有效減少野外測量的工作量，減輕勞動強度，其輸出成果數字地面模型及其數字化產品，與工程建設結合最為緊密，應用前景非常廣闊；遙感地質技術可為公路規劃和設計從宏觀上提供準確可靠的工程地質資料； cad作為一種可以極大地提高設計效率的有效手段已經被廣泛採用，目前正朝著可視化、動態化、三維化方向發展。
  15. ( 2 ) discuss how to use the information from rs to distill the environmental geologic factors discuss the method for distill the surface sink, landslip, etc. from dtm, water, residential area, vegetation, gold mine points, gangue warehouse, etc. from spectrum analysis, roads, ground split, falls, etc. from crisp and eye distinguish

    （ 2 ）探討利用遙感信息進行環境地質因素的提取方法對各環境地質要素進行遙感信息的提取，探討了基於數字地面模型的地面塌陷、崩塌等要素的提取方法；基於波譜分析的水體、居民區、植被、金礦點、尾礦庫等要素的提取方法；基於邊緣增強、目視判讀等方法的線狀要素如道路、地裂縫、構造線的提取。
  16. Dtbc digital terrestrial broadcasting

    數字地面廣播
  17. Dtb digital terrestrial broadcasting

    數字地面廣播
  18. 4. puts forward a design of dvb - t receiver based on usb2. 0, and realizes it

    4 .提出了一種基於usb2 . 0的數字地面廣播電視接收機的總體設計方案，並且加以實現。
  19. Digital terrestrial television receivers for the dvb - t system - part 1 : baseline receiver specification

    Dvb - t系統用數字地面電視接收機.第1部分:基線接收機規范
  20. 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。
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