拓撲維數 的英文怎麼說

中文拼音 [tàpūwéishǔ]
拓撲維數 英文
topological dime io
  • 拓 : 拓動詞（把碑刻、銅器等的形狀和上面的文字、圖形印下來; 拓印） make rubbings from inscriptions pict...
  • 維 : Ⅰ動詞1 （連接） tie up; hold together; link 2 （保持; 保全） maintain; safeguard; preserve; keep ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. In this thesis, used thermocouple to sense the temperature in the space of the hearth, attributed the thermocouple based on calorifics and scientific arithmetic, acquired data by data acquiring card, processed data according to the demand of setting up temperature model and drawing graphics and then caculated the coordinates of isothermal points and normals of isothermal facets, ascertained the order of connecting points and the model of construct, drawed the isothermal facet of temperature field with opengl at last

    通過數據採集板卡進行數據採集並與計算機介面進行數據處理。然後，將處理后特殊點的溫度數據依據marchingcubes演算法建立數學模型求取等溫面上的點的坐標及各點的法向量等。最後，確定計算的三維坐標點的連接順序和拓撲模型，利用opengl進行等溫面的繪制、消隱和模式變換等工作。
  2. In short, vector data take the simplest topological entities - points, lines, and polygons - and anchor them within a 2 - d cartesian coordinate system to describe geographical features

    簡言之，矢量數據利用最簡單的拓撲實體點、線和多邊形，並在二維笛卡爾坐標系統中固定它們來描述地理特徵。
  3. An algorithm of searching topological structure from 3d unorganized points

    尋找三維散亂數據點拓撲結構的一種演算法
  4. According to the topological analysis of the unit cells, the relationship between the braiding parameters is established, such as braiding angle, braiding pitch, fiber volume fraction, dimension of composites etc.

    經過對三維編織細觀結構的拓撲分析，建立了編織工藝參數之間的關系，如編織角、編織花節長、纖維體積含量、復合材料的尺寸等。
  5. Main technic of giss webgiso thus function modules architecture and network topological structure are confirmed webgis system implements the basic function of electronical map, such as map zoonu pan, and the abundant query of geograph and database by using maplnfo mapxtreme for java as map server and jsp., java technico this system also can implement the routing of linesx analysing of buffer and so on0 this paper advances storage model of roads and pipelines topology data, efficiently solves the maintenace problem of network topology data of webgis and implements the shortest path algorathm based on webgis by improving it0 the system has better opening by suppling database interface of map ? the system has perfect on - line help and user forum and favorable interfaces and implementation of this system makes fundament for the further research of webgiso

    本系統利用mapinfomapxtremeforjava作為地圖服務器，採用jsp和java技術，實現了基於webgis的電子地圖的縮放、漫遊等基本功能，並具有豐富的圖文定位查詢功能；實現線路路由、緩沖區分析等輔助決策功能；構建了道路管線網路拓撲數據的存儲模型，有效地解決了基於webgis的網路拓撲數據的維護問題；對dijkstra演算法進行了一些改進，實現了基於webgis的最短路徑演算法；本系統提供了電子地圖數據庫介面，使本系統具有很好的開放性和通用性； webgis系統軟體具有完善的在線幫助和用戶交流論壇，人機界面友好。
  6. In the framework, a control mesh may be arbitrary one - dimensional or two - dimensional orientated topological manifold, and the curve or surface is defined on differential manifold homeomorphic to the control mesh with a potential function as its basis functions. this method is an extension of nurbs, which efficiently overcomes the limitations of nurbs

    廣義有理參數曲線曲面定義在與控制網格拓撲同胚的微分流形上，以高度一般的勢函數為基函數，其控制網格可以是任意的一維拓撲流形和二維可定向拓撲流形。
  7. The classification of differential function germs whose codimention is less than or equal to 5 had been done by topologist r. thom

    對于余維小於等於5的可微函數芽的分類，拓撲學家r thom早就已經給出了分類結果。
  8. A main difficult in topology optimization is the singular optimum exists, which performs dimensions mutated and un - connectively in spatial domain ( the singular optimum point was hard to get ). so topology optimization is as regarded as a global optimization problem in concave feasible fields

    拓撲優化的主要困難在於其可行域的奇異性，該奇異性表現為可行域在某些點維數突變及可行域非連通（而奇異點往往難以被搜索到） ，因此拓撲優化也可看作是在非凸可行域的全局最優問題。
  9. 4. on original data arrangement of views, first, this paper discusses the instance of line overlap and gives the concept of hidden point, next, a method for breaking line is put forward by the means of handling two lines intersection, at the end, data check and correction is described through topological relationship between primitives and dimension set of drawing. to make a summary, from the viewpoint of practicality, the method of engineering drawing pre - processing proposed in this paper over comes traditional

    4 .在視圖原始數據整理方面，首先討論了重疊邊的分解與重構方法;然後給出了隱含點的概念，通過對二維線段相交情況的處理分析了求取隱含點的斷線演算法;最後描述了如何利用實體的拓撲關系檢查輸入視圖中的錯誤以及利用工程圖中的尺寸集來校正這些錯誤。
  10. Based on data cloud, which is measured from 3 - coordinate measuring machine ( cmm ) or so, an algorithm to search lopological structure from 3d unorganized points using envelopment - box technology is proposed in this thesis. based on this method, we searching neighbor points of sampling point. we also improve the max - min angle criteria to realize local triangulation, and then get the normal of sampling point from the triangulation

    本文以測量得到的曲面數據點點雲為基礎，提出了一種基於包圍盒的自動尋找三維散亂數據點之間拓撲結構的方法，採用該方法尋找采樣點的鄰域結點，並對三角剖分中的典型優化準則?最小內角最大準則提出了改進，按照改進后的優化準則實現了采樣點的局部三角劃分，並進一步求解得到采樣點的法向量，依據法向量及鄰域拓撲關系在二次曲面的基礎上實現了散亂數據曲面重構中的數據點的自動分類。
  11. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    結合固體火箭發動機燃面推移規律，在等值面函數法基礎上開發的裝藥燃面演算法能夠成功計算任意復雜三維裝藥燃面，並且具有處理復雜物質邊界及其拓撲結構發生變化（如分裂、破碎、合併）的能力，能夠準確計算出發動機工作過程中各個時刻裝藥的燃燒面積，同時輸出裝藥幾何構形數據直觀地觀察裝藥的變化情況； 2
  12. Basing on them, we propose a new algorithm of removing pseudo elements by which we can ensure the candidate edge generated by the broken line in 2d views is pseudo element if it is inside of the face which can be seen completely. at last delete other pseudo elements by the topological information of former methods. 2. for the low efficiency and bad capability of disposing multi - solutions of the decision - making after generating face loops, we thoroughly analyzed the former divide - conquer algorithm and decision - chaining algorithm

    以這些定義和定理為基礎，提出了新的假元刪除演算法，通過判斷視圖中的二維虛線邊所生成的候選邊是否在完全可見有界平面內來判斷該候選邊是否為假元而將其刪除，再結合前人的成果利用三維拓撲信息刪除其它假元，從而降低了面環的生成數目和決策求解的搜索空間，提高了三維重建的效率。
  13. Usually the fractal dimension of f ( defined in some way ) is greater than its topological dimension

    以某種方式定義的分形集合的分形維數通常是大於它的拓撲維數。
  14. Key algorithm for creating topology relation of three dimension vector data model

    建立三維矢量數據模型拓撲關系的關鍵演算法
  15. Taking landuse - dat files as data sources, this paper discusses the features, data structure, and generating methods of topological relationships of between in landuse database generalization, and puts emphasis on the methods for preserving consistency of topological relationships of patches in the process of landuse database generalization

    摘要以landuse - dat文件為例，論述了土地利用地圖綜合中圖斑多邊形拓撲關系的特點、數據結構定義及生成方法，闡述了土地數據庫綜合過程中圖斑拓撲關系一致性的維護方法。
  16. In order to obtain three - phase four - line ac output, system applied the four - legged main circuit topology. with the 3d - svm, the power system realizes voltage regulation and three - phase four - line output. meanwhile, this kind of control is easy to be realized in the digital inverter

    為實現三相四線的交流輸出，變換器電路採取四橋臂新型拓撲，其控制採取了三維空間矢量調制，實現了變換器的在線調壓及輸出中點的形成，具有良好的動靜態性能，且這種控制思想可以方便地在現有數字變換器平臺上實現。
  17. It solves payment issue through sharing pos and brush card. it solves info sharing and exchanging problem by enterprise application integration it adopts research method of software engineering and uses touch - screen, network, database technology and so on to carry through total design of the system and build the software : it uses user status identify and responsibility control to ensure database and application program ' s security ; it strengthen the code by coding optimize ; it captures and discards application runtime error to enhance the system ' s stability ; it uses multimedia voice and moving picture to show help information, thus makes the system easy to use ; it greatly reduces the maintenance work of the system by self - updating function ; it is an opening system by using star - model network top structure, supporting standard network communication protocol ? tcp / ip and offering standard software interfaced criterion

    論文採用軟體工程的研究方法，使用觸摸屏、網路、數據庫等技術，進行了系統總體方案設計和軟體開發：通過對數據庫和應用程序的用戶身份識別和權限控制，保證數據存取和應用程序的安全性；通過對代碼進行優化提高了代碼的健壯性；通過捕捉並拋出系統運行時的異常錯誤提高了系統的穩定性；通過多媒體語音、圖形和動畫提示幫助信息來增強系統的易用性；客戶端程序自動升級功能提高了系統的可維護性，有效地減少了維護工作量；系統採用星型的網路拓撲結構，支持標準的tcp ip網路通訊協議和規范的軟體介面標準，具有良好的開放性。
  18. Its properties and design method is discussed in chapter 4. for control meshes with arbitrary topology, we present a universal method in chapter 5 to construct parametric curves and surfaces. generalized rational parametric surface can be controlled precisely and flexible, and it is easy to model local features and 3d primitives

    然後，在第五章中，我們將控制網格進一步推廣到任意可定向二維拓撲流形，提出了一個通用的方法將控制網格映射到與之拓撲同胚的微分流形上，統一了廣義有理參數曲線曲面的構造過程。
  19. The method auto - searches carton surfaces, does topology analysis and builds 3d carton mockup based on the " graph " data structure

    根據二維平面圖自動搜索出盒型面並進行盒型拓撲結構分析，最後以「圖」的數據結構為基礎建立包裝盒三維模型構造的演算法。
  20. In order to solve optimization calculation efficiency problem of large structures with more than ten thousand degrees of freedom, based on the evolutionary structural optimization method, combining with the iteration method of structural displacement calculations, a strategy and its algorithm of large three - dimension structural topology optimization designs were proposed

    摘要為了提高擁有數萬個單元以上的三維機械結構拓撲優化的計算效率，基於漸進結構優化方法，並結合結構位移計算的迭代方法，建立一套三維機械結構拓撲優化的求解策略和演算法。
分享友人
分享到 Line

分享到臉書