數字表面模型 的英文怎麼說

中文拼音 [shǔzìbiǎomiànmóxíng]
數字表面模型 英文
digital surface model dsm
  • 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 ...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 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...
  • 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
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 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. 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。
  2. As one of frame data of national spatial data infrastructure, digital elevation model excels contour line. it can express continuous gurgitation of ground, and it can also carry out relevant mathematical analyses and imitation, so it is applied broadly in various fields at present

    =數字高程模型dem是國家空間數據基礎設施的框架數據之一，其彌補了等高線的不足，既能表示地面的連續起伏變化，又適合作相應的數學分析和模擬，現在已在各個領域得到了廣泛的應用。
  3. 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。
  4. Finally, with the optimized chaos sequences, the results of software simulation on vhf - rc indicates that ds - ss outbalances the bpsk system without spread spectrum due to ber and the ds - ss with kent sequence is better than the one with golden sequence in some extend

    最後本文對數字混沌序列進行了優選，在超短波中繼通道模型上的模擬結果表明混沌直擴通信相比于非擴頻的bpsk通信在誤碼率方面明顯較低；相對于線性擴頻碼（ gold序列） ，同樣誤碼率較低。
  5. All the work of this paper can be concluded as follows : 1 to research the ways of quota calculating 2 to build up the mode of data stream, analyze and introduce the work principle of system 3 to research of the structure of system and accomplish the function 4 to research the relationship between the system and tache of production and management, to research the pontes of system ( including man and computer, bom designing and maintenance system, capp, process aided designing system, others ) 5 to research the ways of software designing, database designing and accomplishment this system can finish the quota calculating and editing of parts and components, make requisition, examine and approve of the quota list and provide the data maintenance and management, and print various quota lists and classified collect lists

    本文主要進行了以下幾方面的工作： 1 、材料消耗定額制訂方法的研究2 、建立數據信息流程模型、系統的工作原理的分析和介紹3 、計算機輔助材料定額系統結構的研究開發與系統功能實現的研究4 、在工藝數字化系統中材料消耗定額與其他生產管理環節和系統的關系（包括人機介面、 capp系統介面、工藝行程輔助編制系統介面及其它系統介面）的研究5 、軟體設計方法和系統數據庫設計和結構實現的研究系統可以實現零部件主要材料和車間輔助材料消耗定額的計算機輔助編制、修訂，修改通知單輔助生成。定額明細表瀏覽審批並提供定額制訂基礎數據維護管理功能，按要求列印輸出各種定額明細表和分類匯總表。
  6. In order to manufacture this type of worm gear drive precisely and cheaply, we should explore a whole new dis - dual generating method. as a part of the project " the modeling and simulation of planar double - enveloping toroid worm gear drive ' s intelligent manufacturing method ", this dissertation focuses on the 3d modeling of planar double - enveloping toroid worm gear in computer. the author of this dissertation has completed lots of studies and researches in this field and has found some new methods for the 3d modeling of worm gear drive

    本文作為「平面二次包絡環面蝸桿副智能加工的建模與模擬」研究項目的一個組成部分，主要以在計算機中對平面二包蝸桿副進行三維建模和數字化造型為目標，在嚴格推導共軛齒面的基礎上對平面二包蝸桿副齒面的組成進行了tca分析，並運用適當的數學方法對蝸桿副型面進行重構，獲得了適合於計算機表達的平面二包蝸桿副三維數字化模型。
  7. 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。
  8. Abstract : digital basinis made from digital elevation model considering spatial variability within a catchment. on the basis of digital basin, the digital approach to describing hydrological processes within a catchment is investigated. digital hydrological model is regarded as a modern physically - based modeling technique that includes a large amount of information. the case study on the shiguanhe catchment in the huaihe river basin, intensified observation field of gewex asian monsoon experiment project, has shown that the digital mode lperforms very well not only in simulating runoff processes at any specific site, but also in simulating spatial distribution and temporal variation of hydrological elements and state variable ( especially soil moisture ), if compared with traditional hydrological models. that provides solid foundation for full use of now available observation in formation and in - depth mining of hydrological data

    文摘:考慮流域下墊面空間變異性，基於數字高程模型構建了數字流域，並在此基礎上對描述流域水文物理過程的數字方法進行了探討.文章認為，數字水文模型是一種有物理基礎的包含大容量信息的現代模擬技術.史灌河流域實例研究表明，數字水文模型可以十分方便地輸出水文要素和狀態變量的空間分佈與時間序列，這對充分利用現有觀測信息進行水文信息的深層挖掘創造了條件
  9. In order to grasp the urban system processes and evolution pattern of hunan province comprehensively, this article has made further discussion on its structure characteristic : through regression analysis, graph analysis and statistics analysis of the time series data and cross sections data, by combining with the fractal theory, we induce the following conclusion : the hierarchical size structure presents the law of the primate city, the rank - size rule and pyramid structure characteristic, but it also has the insufficient development problem of the high hierarchical size city. by using the gravitation model, we found out that the economy relation intensity among those main cities is weak while the structure is loose. based on the urban layer system of economic development level and industrial structure evolution of the cities in hunan province, this article then induces the function combination among the five urban agglomerations in hunan province

    為全面把握湖南城市體系的運演規律，本文對其結構特徵作了進一步的探討:通過時序數據和截面數據的回歸分析、圖表分析和統計分析，結合分形理論，得出了其等級規模結構分佈呈現出首位分佈、位序?規模分佈和金字塔結構特徵，以及存在著高層次城市發展不足的問題;運用場引力模型發現該省主要城市間的經濟聯系強度較弱、結構鬆散，在歸納出該省城市經濟發展水平的層次體系、產業結構演變的基礎上，導出了該省城市體系的五大城市群職能組合;結合空間結構體系、路網交通條件和經濟發展狀況，對該省城市空間分佈狀態進行了定性分析，研究表明該省總體上處于極化階段，各個具體區域，分佈階段不一，差異較大。
  10. Based on the analysis and processing of the digital speckle pattern, the translation and rotation invariant features are discovered, and a one - step feed - forward neural network is creatively proposed which makes it possible to realize the intelligent recognition of interface defects

    通過對數學散斑條紋的分析與處理，找出了能代表條紋信息的移位不變與旋轉不變特徵值? ?最大斜率，進而構造一種新的網路模型，即單步前饋式三層網路系統.率先實現了把神經網路系統用在數字散斑無損檢測之中，完成了神經網路系統對粘接界面缺陷的智能辨識
  11. Digital surface model, dsm

    數字表面模型
  12. The parameter in the xin ' anjiang model, imp, was extracted directly from above land use / cover data. another parameter, sm, in each subcachment and in each raster grid was obtained from the relation between sm and the ratio of forest land area to subcatchment area. thus, a semi - distributed hydrological model and a distributed hydrological model were established to analyze the effect of some parameters in xin ' anjiang on runoff process according to the spatial variability of land surface characteristics

    將遙感技術獲取的土地利用和地表覆蓋一公里柵格信息與數字高程模型數據進行空間配準，然後通過構建林地面積比與新安江模型參數sm的關系間接確定各子流域及各柵格單元的的sm值，新安江模型參數imp由配準好的土地利用和地表覆蓋信息直接提取，由此建立方案與方案，來分析受下墊面覆蓋的空間不均勻性影響的模型部分參數是如何對模擬水文過程產生影響的。
  13. In the design of system software, we take account of the numerical format considering a fixed - point dsp tms320f240, the software designs of the current model and software svpwm model, and the online realization of parameters setting and changing in pc

    在軟體方面，重點論述了適合於定點dsp的系統變量數字表述形式、電流模型模塊和軟體空間矢量模塊的設計以及pc機控制對象參數預置和修改的在線實現。
  14. 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」 。
  15. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理，研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  16. Based on the intensity type fiber optic modulation technique, the principle of fiber - optic sensor cad is mainly discussed in detail. for example, the model of sensing units are founded, the model is digitized, the transformation of space and image is described by four - dimensional matrix, and software is designed

    本文著重討論了建立傳感單元模型，模型數字化，四階矩陣表述形式下的空間和成像變換，軟體的編制方法等幾方面關繫到光纖傳感cad的具體理論問題。
  17. At the end of this paper, the configure process of the ssl protocol is given. based on acme, the typical implementation of form digital signature software framework is put forward. on the basis of component diagram, some typical source codes of the business component are listed and the template description of the currency interface component is showed. the modeling idea and solution are proved to be effective

    最後，給出ssl協議的配置過程;結合acme語言給出表單數字簽名軟體構架的典型實現;在構件圖的基礎上，給出重要事務構件的程序代碼實現和通用界面構件的模板表示，驗證了建模思想和解決方案的有效性
  18. 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。
  19. 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。
  20. Then, the form digital signature model is analysed and designed on the domain. in the phase of domain analysis, the requirement of form digital signature is abstracted and described, then use case model and activity model are created. in the phase of domain design, based on the method of object / component oriented, object structure model and object behaviour model of form digital signature are created. also the design pattern is used to optimalize the design

    之後，對表單數字簽名模型進行領域需求分析和領域設計.在領域分析階段，對表單數字簽名的需求進行抽象和描述，建立軟體的用例模型和活動模型.在領域設計階段，採用面向對象/構件的方法，建立表單數字簽名的對象結構模型和對象行為模型，並採用設計模式進行優化設計
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