triangulation method 中文意思是什麼

triangulation method 解釋
三角測量法
  • triangulation : n. 三角測量;三角部分。 a net of triangulation 三角網。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Based on this milti - hierarchical model, application method for information organization of part is presented. chapter 3 proposes a new rule of arbitrary maximum angles of chord for triangulation and locale optimum, which avoides calculating angles of conventional methods in mesh simplification. moreover, with the introduction of arithmetical average windage concept, optimum method for the boundary mesh retriangulations is presented

    第三章針對曲面網格簡化操作過程中出現的空洞剖分問題,討論層次模型的網格優化方法,提出了基於弦內角最大準則的局部網格簡化方法;針對網格曲面上存在的曲折邊界缺陷,提出以邊界輪廓算術平均偏差作為邊界曲折程度評定參數的邊界平滑優化剖分方法。
  2. In order to realize the orebody model, put forward a method to construct 3d object from multiple branching contours based on triangulation, and in this process, calculate the bulk of the orebody automatically

    在數字礦山礦體模型的建立過程中,提出了一種基於三角剖分的多輪廓線之間的三維重構方法,並在重構的過程中計算出了礦體的體積。
  3. ( 3 ) uniformed contours stacked together and constructed real boundary element method ( bem ) calculation models for e / meg research respectively by minimum distance method and 3d - delaunary based triangulation growth method. finally developed visualization algorithm based on surface rendering for the purpose of integration of structure and function information

    在構建剖分模型上,用基於最短對角線(在兩層輪廓中心偏離較大的情況下,對輪廓進行了對中變換)和基於3ddelaunay的方法構建了計算模型;基於表面繪制的思想,實現了頭和腦的可視化。
  4. To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice

    針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點,提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化( cdt )為技術核心,認為所有道路幾何設計過程都是地面模型和道路(設計)模型進行幾何運算的結果.基於此,本文設計出相應的演算法步驟,同時完成了相應的軟體開發,使得該三維演算法能和傳統的方法進行對比.此外,結合工程實例,採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度,該演算法可用於道路、場地平整等工程土方量計算
  5. The first part of the thesis is about the definition of the subject, the reasons of the research, the aims of the research and the design of the research methods. it suggests that in the second, third and fourth part of the thesis, i will adopt the triangulation research methods : experiencing, large - scaled survey, and typical case analysis, which are believable and representative. in the second part, i reveal the actual psychological state of the teachers in z senior middle school under the " matriculating rate as the aim " management by adopting historical research and observation method from the view of " i "

    它預示著:論文的二、三、四部分,即探索教師對學校管理的職業體驗的核心部分,我將運用人種學「三角互證式」的設計方式,也就是說, 「我」之體驗? ? 「大樣本」之調查? ? 「關鍵事件」之個案剖析,這三者之間,無論是資料解釋的來源,還是採集信息的方法技術,它們之間是可以互相證明的,獲得一定代表性的,並具有「硬性」的因果式的必然聯結;而不是平日自然語言中所說的那種個別的、偶然的甚至是無病呻吟式的「體驗」 。
  6. Basically like “ adaptive approach ”, the method can control triangulation density with respect to the change of normal curvature of the surface generating a small number of triangular facets, and thiny triangles, degenerate triangles and “ cracks ” in 3d space will not occur, but the speed of the algorithm is higher than that of adaptive one

    該方法基本上可以像「自適應」方法一樣,根據曲面的法曲率變化來控制三角化剖分的密度,生成的三角片數量較少,並且可以避免在三維空間產生狹長的三角形、退化三角形與「裂縫」 ,運行速度明顯比自適應方法快。
  7. Methods for calibration of vertical cylindrical tanks for petroleum and liquid petroleum products - optical - triangulation method

    裝石油和液態石油產品用立式圓柱形儲罐的校驗方法.第3部分:光學三角形測量法
  8. An original mesh generation method based on the nc track points of tool surfaces is proposed here, the method can automatically generate meshes consisting of only quadrilateral elements, which is desirable for better accuracy and efficiency of simulation. besides, an automatic local coarsening algorithm for structured quadrilateral meshes is also developed. for arbitrary discrete points on auto body surfaces, an automatic triangulation method is adopted and a series of mesh optimization methods with given constraint conditions are proposed

    創新地提出了基於模具型腔表面nc數控軌跡點的全自動四邊形網格生成演算法,提出了結構化四邊形網格局部自動優化演算法,研究了基於車身曲面離散點的三角形網格自動生成演算法,並提出了給定約束條件的三角形優化演算法,探討性地研究了基於模具曲率半徑的板料初始網格局部自動細化演算法。
  9. Generally, a planar triangulation method is used to enclose the unmatched contours

    通常,對末端輪廓都是以平面三角剖分封閉端面。
  10. Optical triangulation method was used to measure geometrical dimension parameters by laser displacement sensor scanning. both laser displacement sensor scanning and image processing technology were used to measure failure parameters. the detecting results of parameters of wheel set met the requirements of vehicle maintaining

    輪對尺寸參數是利用基於激光三角法測量原理的激光位移傳感器來檢測,踏面缺陷參數的測量是利用激光位移傳感器和圖像處理相結合的方法來檢測,其測量精度達到車輛段修要求的技術指標。
  11. This method does not use triangulation procedures and attemptes to minimize the restrictions upon the aircraft

    與傳統的斜距測量三角形定位方法相比,可以大大減小對飛機機動性的限制。
  12. 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。
  13. The advancing - front method and the delaunay method are studied here to fulfill the generation of 2 - d unstructured grid. the mesh is built and renewed by using delaunay triangulation method

    網格的劃分及更新採用delaunay三角化方法,網格內部節點的生成則是基於陣面推進法的思想。
  14. Aiming at the existed problems in reverse engineering techniques concerning triangulation method for scattered data points, display technique of three dimension model based on mesh simplification, and redesign technique for re - constructed surface etc., this paper studies and proposes the relevant solving schemes, key algorithms and realizing technologies. the chief contributions acquired by this paper include : ( 1 ) an effective 3d triangulation algorithm for scattered data points is put forward. this algorithm solves the problem that data points must be partitioned for multi - projection realized by traditional 2d triangulation methods, and can also triangulate the scattered data points of trimmed surface and concave boundary surface

    本文工作針對散亂點集的三角網格劃分及優化、基於網格簡化的真實感模型顯示,以及重構曲面再設計等反求工程的關鍵技術中還存在的諸多問題,提出了相應的解決方案,並對關鍵演算法和實現技術進行了深入研究,論文的主要成果包括: ( 1 )提出了一種有效的散亂數據點集的3d空間直接三角網格劃分演算法。
  15. We construct the algorithm of three - dimensions model surface reconstruction in three stages : first, we use oct - tree to describe scatter data points in space, second find adjacent points and tangent plane and use the triangulation method to realize 3d surface reconstruction in the end, in research on algorithm of three dimensions model surface reconstruction based on scatter data points

    在「基於散亂數據三維表面演算法的研究」這一章中,首先通過八叉樹的數據結構的演算法對三維散亂數據進行處理,然後再確定鄰點和微切平面,最後用三角網格化的方法完成三維物體表面重構。
  16. Study on laser triangulation method measurement

    激光三角法測量的研究
  17. Calibration of upright cylindrical tanks using the optical - triangulation method

    光學三角測量法校正豎直柱形罐
  18. Calibration of spherical tanks for refrigerated light - hydrocarbon fluids in ships - triangulation method

    船舶用輕質冷凍的碳氫化合物用球型容器的校準.第2部分:三角測量法
  19. Finally, a euclidean scene reconstruction is set up using matrix decomposition method and triangulation method

    最後,利用矩陣分解的方法和三角形法建立了場景的三維模型。
  20. We have realized stable triangulation and striping methods in radm modeling system. triangulation method, which is based on delaunay triangle algorithm, has been improved on criterion of selected vertex, and striping used local optimize greedy algorithm

    我們在radm系統中以delaunay三角化為基礎,改進了頂點選擇的判據,並針對不同類型的多邊形採用不同的三角化策略,實現了穩定高效的三角化。
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