computational geometry 中文意思是什麼

computational geometry 解釋
第三十三章 計算幾何學
  1. Chapter 4 time - dependent computational simulation of the response of cable - suspension feed system in gusty wind based on the time - independent structure finite element method, and with consideration of the movement laws of cabin, a 3 - d time - dependent structure finite element model formulated by a new method named iss method ( instantaneous structure supposition method ) to deal with the vibration response of cable - suspension feed system in gusty wind is presented. in the model, all sources of geometric non - linearity, cable sag and changes of cable geometry due to large displacement, are fully considered

    基於時不變結構的有限單元法，在綜合考慮饋源艙運動規律的基礎上，提出了時變系統的瞬時結構假定法，通過將懸索離散為索桿單元，建立了系統的時變有限元模型，該模型充分考慮了懸索的垂度和大變形等幾何非線性因素，應用ne 。
  2. Topics covered include : sorting ; search trees, heaps, and hashing ; divide - and - conquer ; dynamic programming ; amortized analysis ; graph algorithms ; shortest paths ; network flow ; computational geometry ; number - theoretic algorithms ; polynomial and matrix calculations ; caching ; and parallel computing

    課程主題包含了：排序、搜尋樹、堆積及雜湊；各個擊破法、動態規劃、攤提分析、圖論演演算法、最短路徑、網路流量、計算幾何、數論演演算法；多項式及矩陣的運算；快取及平行計算。
  3. Meanwhile, a modified newmark difference scheme and computational procedures has been proposed for fem dynamic incremental load method to the non - linearity of geometry and material

    其後，對撞擊接觸的動力學數值計算原理及關鍵理論方法在連續介質力學框架下進行了初步研究與歸納。
  4. International journal of computational geometry applications, 2001, : 105 - 144. 8 piegl l, tiller w. the nurbs book

    如此，參數化的表達能精確地計算曲面的頂點，而同時，隱示表達能直接判斷出物體的內部或外部。
  5. Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings

    本文根據國內外有關低層房屋風荷載的全尺寸實測、模型風洞試驗及其理論方面的研究，包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和計算機數值模擬計算，對低層房屋的風荷載特性進行了系統而深入的研究，較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的波動隨房屋的幾何尺寸、屋面形式、屋面坡度、風向角、檐口構造、覆面材料和門窗開洞而變化的特點和規律。
  6. Construction of geometric partial differential equations in computational geometry

    計算幾何中幾何偏微分方程的構造
  7. The interpolation of scattered data by multivariate splines is an important topic in computational geometry

    利用多元樣條函數進行散亂數據插值是計算幾何中一個非常重要的課題。
  8. 2 kewei lai, a computational geometry approach to geometric tolerancing, dept. of mechanical eng. northeastern university

    3楊芳.計算幾何方法評定圓度的研究.天津大學研究生畢業論文
  9. Decomposing a simple polygon into convex cell is one of elementary problems of computational geometry

    摘要簡單多邊形凸單元剖分是計算幾何的基本問題之一，剖分演算法在許多領域均有較廣泛的應用。
  10. The dissertation consists of seven chapters which are dealt with many fields, such as cad / cam, aircraft design, computational geometry, computer graphics etc. the research achievements and main contents are as follows : 1

    論文共分七章，內容涉及cad cam 、飛行器設計、計算幾何、計算機圖形學等。既有理論研究、方法探討、又有實際應用。
  11. Through the studies of the invariants of the single axis motions, computational theories have been developed in this thesis to provide practical solutions for the problem of structure and motion from fitting the corresponding points in the whole sequence to its conic locus or conies for short. it is then shown that all single axis geometry can be directly computed either from one conic and one fundamental matrix or from at least two conies. the rotation angles then can be calculated directly from using the laguerre formula

    本文通過詳細分析單軸旋轉運動中的不變量，利用物體點在單軸旋轉運動中軌跡為圓，而在圖象平面的投影為二次曲線的這一特徵，以二次曲線為分析的基元，研究了求解單軸旋轉運動結構問題的新理論和一系列新演算法，並在此基礎上完成了物體的三維重建等工作。
  12. 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」 。
  13. The paper applies algebraic geometry, computational geometry, approximation theory to study the following problems : the nother type theory and the riemann - roch type theory of the piecewise algebraic curve ; the number of real intersection points of piecewise algebraic curves ; the real piecewise algebraic variety and the b - net resultant of polynomials

    本文應用代數幾何，計算幾何，函數逼近論等學科的基本理論，分別就分片代數曲線的n （ ? ） ther型與riemann - roch型定理；分片代數曲線的實交點數；實分片代數簇以及多項式的b -網結式進行研究。
  14. In scg 97 : proc. the 13th annual symp. computational geometry, acm press, new york, usa, 1997, pp. 359 - 365

    在給定時間幀內所有被細胞分裂所打破的區域都被排列在一個表裡，以逐個地處理。
  15. On one hand, although the traditional methods to solve the electromagnetic scattering form the target by the so called high frequency methods such as po ( physical optics ), go ( geometry optics ), have the less memory and computational requirement, they also have the fatal defection that the accuracy of these methods are too poor to use in real applications

    一方面傳統的高頻電磁分析方法雖然計算較快，內存需求較低。但是其存在的致命缺陷是計算結果精度較低，在許多場合下的計算結果的精度遠遠不能達到應用的要求。另一方面基於積分方程的多層快速多極子方法是一種求解電磁散射問題的快速演算法。
  16. In this article, some results of the theoretical derivation and computational campaign performed to study the fluid instabilities in convergent geometry are presented

    本論文通過理論分析和數值模擬方法，對收縮幾何中的一些流體不穩定性問題進行了研究。
  17. The piecewise algebraic curve and the piecewise algebraic variety, as the set of zeros of a bivariate spline function and the set of all common zeros of multivariate splines respectively, are new and important concepts in algebraic geometry and computational geometry. it is obvious that the piecewise algebraic curve ( variety ) is a kind of generalization of the classical algebraic curve ( variety respectively )

    分片代數曲線作為二元樣條函數的零點集合，分片代數簇作為一些多元樣條函數的公共零點集合，它們是代數幾何與計算幾何中一種新的重要概念，顯然也是經典代數曲線與代數簇的推廣。
  18. Computational geometry : an introduction, springer - verlag, 1985. 3 thomas h cormen, charles e leiserson, ronald l rivest, clifford stein. introduction to algorithms, second edition, mit press, 2001

    這樣，在歸並中只要考察上下兩個正方形中與點v的y坐標值最接近的各兩個點，計算這四個點與點v的距離就可以了。
  19. This thesis seeks to validate an effective approach to the method of the triangulation form 3d scattered points. a low computational complexity and high mesh quality algorithm has great application merit in the research of computational geometry, surface reconstruction and visualization of 3d data

    低計算復雜度和高網格質量的三角剖分演算法在計算幾何、曲面重構及三維數據場可視化等研究領域中有著重大的應用價值。
  20. In order to optimize 3d models before store and rendering, we create a subsystem for radm. triangulation is a fundamental problem in computational geometry. in real time system, polygon should be triangulated in order to make full use of rendering accelerate on function of graphic hardware

    為了使該系統輸出的模型能夠以更優化的形式提供給大多數的實時繪製程序所使用，我們在radm的基礎上，又實現了一個面向繪制的模型優化子系統。
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