數字地 的英文怎麼說
中文拼音 [shǔzìde]
數字地
英文
dgnd-
Application of trigger detection algorism to digital seismic stations
觸發檢測演算法在數字地震臺的應用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。Solutions to some problems in digital cadastral data capture
數字地籍測量數據採集若干問題的解決方案This paper describes the development of digital survey techniques, concludes the advantages and disadvantages of digital survey method and detailedly discusses the characteristics of digital cadastre survey
摘要簡述了數字測量技術的發展,對現有數字測量方法進行了模式化討論,總結了各種模式的優缺點及其適用條件,詳細討論了數字地籍測量的特點,敘述了數字測量的基本框架。( 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。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。The trial demonstrates the map symbolic library is complete, normative and perfect in functions. the output digital map in don format can satisfy the needs of map publishing as well as data convert and meet the demands of system devisal
試用證明,系統符號齊全規范,功能完善,產生的dgn格式數字地圖可以滿足地圖出版和數據轉換的需要,達到了系統設計的要求。( 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。Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized
( 2 )提出了復雜地質構造數學模擬的神經網路方法與混合進化方法,並利用gis技術和可視化技術,深入研究了數字地質三維建模及其可視化方法,實現了地質三維任意剖切、信息空間查詢與管理等功能,從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系,以及快捷、交互地進行工程地質設計提供了新的途徑與手段。Verification regulation of digital earthquake geophone
數字地震檢波器檢定規程The system stores spatial data and characteristic data into central database, and provides services to users in server / client mode. as the research emphases of this thesis, several key sub - systems are designed and realized. the digital map input and maintenance subsystem performs format conversion, editing and updating of spatial data ; the rail - track video playing subsystem uses video recording as reference data, then plays, inquires and traces the corresponding frames in synchronous to the scaled mileage, realizing the query of the active picture frames ; the digital map query subsystem fulfills the map query, preview and spelling of digital map orthograph
其中,地形圖輸入與維護實現了數字地圖的格式轉換、編輯處理以及空間數據的更新操作,解決了不同格式空間數據的互相轉換問題;線路錄象播放將線路錄像數據作為系統的一種索引數據,活動影像的畫面與里程相對應,實現了基於線路錄像的播放、查詢和檢索的功能,實現了基於活動畫面的查詢檢索功能;數字地圖子系統完成了圖形查詢、數字地圖與線路正射圖像瀏覽、圖幅拼接等功能。When digital map symbolizes on the screen, we call it electric map, which has the essential function of papery map
電子地圖具有地圖的內涵,是數字地圖在計算機屏幕上的符號化顯示。Being different with papery maps, the digital maps actually have not meaning of scale, so it is inclined to characterize digital maps by resolution instead of scale
與紙質地圖不同,地圖比例尺的概念對于數字地圖是沒有實際意義的。Quartic convolution interpolation and its application in digital maps
四次卷積插值及其在數字地圖中的應用Application of shm software in the digital seismogram analysis
在數字地震波形分析中的應用Tunisia to discuss the future of the internet
網際網路名稱與數字地址分配機構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。In practice, it is the basic of the global realization and 3d gis introduction ; it is the key to realize the 3d visualization map ; it is important in the " digital conservancy ", and provides a archetype system for the 3d visualization system in conservancy area
在實踐上,本研究是實現數字地球和三維gis入門的基礎;是實現三維可視化地圖的關鍵;在數字水利中具有重要意義,為水利領域的三維可視化系統提供了一個值得借鑒的系統原型。At first, this paper presents two - demensional quartic convolution interpolation to smooth digital terrain. it is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two - dementional cubic convolution interpolation. two - demensional quartic convolution interpolation is more precise than two - dementional cubic convolution and simpler than cubic spline interpolation in calculation. it can satisfy real - time route planning of ucav
首先,在軌跡規劃前需要對數字地圖進行平滑處理,本文提出了二維四次卷積插值法。它在二維三次卷積插值法的基礎上利用三次樣條插值法的插值函數具有三階連續導數的性質而得來的。Based on the simple describle of the basic principle of anti - disturbance high - resolution shallow seismic exploration, all the sources, the properties of digital seismic instruments, the receive method and conditions, the observation system, and the data processing and interpretation of the urban active fault detecting are discussed emphasizedly
在簡述抗干擾高解析度淺層地震勘探基本原理的基礎上,重點論述了城市活斷層的抗干擾高解析度淺層地震勘探的震源激發、數字地震儀性能、接收方式與接收條件、觀測系統以及數據處理與資料解釋等。分享友人