非幾何學計算 的英文怎麼說

中文拼音 [fēijīhéxuéjìsuàn]
非幾何學計算 英文
nongeometric calculation
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 幾 : 幾代詞1. （多少, 用於詢問數量和時間） how many 2. （表示不定的少數目） a few; several; some
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 計算 : 1 （求得未知數） count; compute; calculate; reckon; enumerate 2 （考慮; 籌劃） consideration; pla...
  1. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路，系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系；對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。
  2. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images ， an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept ， only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result ， sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col ： ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 ， an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri ： ace of object successfully he 。 叩 proach ， called rered ature mopmp consists of two pans at fst ， an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel ， called ae ， ea atures ， or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 ， some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt ， nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient ， especially n rendering those objects with a smaller depth rnge compared withtheir size ， such as relief surfaces of building

    與己有的三維變換方法相比較，該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞，而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞，從而方便地實現了虛擬環境中的漫遊；基於物體表面深度的連續性，本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息，從而大大提高了演算法的效率：與通常的正向映射演算法相比，此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題，而且誤差較小。 2 ）基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系，以及極線幾何的性質，本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法，從多幅參考圖象精確合成當前視點目標圖象。
  3. Then, author introduces geometric nonlinear analysis theory, geometric nonlinear calculation theory during construction period, load position of live load considering geometric nonlinear and calculation theory of worst - case value, static time history theory for vehicle running, geometric nonlinear analysis theory of natural vibration and structural dynamic reaction and so on. all of these theories fit any appointed structure with corresponding programs. so a series of completed analysis approaches that cover all geometric nonlinear factors of bridge structure are formed

    其次，介紹了對任意指定結構的幾何非線性分析原理、施工階段幾何非線性計算原理、考慮幾何非線性的活載加載位置與最不利值的計算原理、車隊行駛靜力時程分析原理、非線性結構的自振特性和結構動力反應分析原理等，其中包含了相應的計算程序模塊的編制方法，形成了一整套考慮橋梁結構所有幾第日頁西南交通大學博士研究生學位論文何非線性因素的橋梁結構分析方法。
  4. Since 1990 ' s, a variety of methods, such as geometrical optical method, mode - conversion method, optical holographic method, computer - generated holography method, transverse - mode selection method, hollow fiber method and nonlinear optical method, have been used to generate the dark hollow beams ( dhbs )

    從90年代起，各種技術，如幾何光學法、模式轉換法、光學全息法、計算全息法、橫模選擇法、中空光纖法、非線性方法等，被相繼用來產生暗中空光束，並得到一些很好的實驗結果。
  5. This study will gain an understanding of the earthquake response behavior of such a special structure and will also provide a basis for monitoring of bridge after opening to the traffic. in this work, a 3 - d nonlinear finite element program tty is developed the results of analysis are in good agreement with that of the bathe and changsha tiedao university ' s report about earthquake response of the dong ting hu bridge

    根據理論分析結果，本文編制了三維非線性有限元程序tty ，對端部作用有集中力的彎梁作了幾何非線性計算，並與bathe等進行比較；同時對湖南洞庭湖大橋進行了線性與非線性分析計算，並與長沙鐵道學院洞庭湖大橋抗震性能研究報告進行了對比，其結果均能較好吻合。
  6. Incorporating the non uniform rational b spline ( nurbs ) which is the only definition of the form of industry products, the author selects the method of b spline to do the numerical computation research work of the hydrodynamics of three dimensional ship hull based on the reading and analysis of the documents about hydrodynamics, especially the interaction hydrodynamics

    作者在對與船體水動力尤其是干擾水動力的研究相關的文獻的閱讀與分析的基礎上，結合作為定義工業產品幾何形狀的唯一數學描述的非均勻有理b樣條方法，選擇b樣條（統一成非均勻有理b樣條形式）來進行有關三維船體水動力的數值計算研究工作。
  7. Another 20 kinds of non - designed contact points are given for the first time. contact determining algorithm of all the above contact types is given using z - buffer algorithm for 3 - d observation, and simulation results show high accordance with results of vector - associated method. simulation for non - designed contact mode with random initial conditions has been done too, and statistics from the simulation indicates that it is important to predict non - designed contact points in practical rvd efforts

    全文的工作包括以下幾個方面的內容: 1 .建立了周邊式對接機構的復雜幾何外形的數學描述，描述了對接初始條件范圍內，兩對接機構相互接近、捕獲過程中可能出現的20種設計接觸模式，並針對初始接觸點首次提出20種非設計接觸模式;利用計算機圖形學中可見面判別的z -緩沖演算法原理，給出了所有接觸模式的檢測演算法，該演算法的模擬結果與輔助向量法高度一致，驗證了演算法的有效性;進行了300組確定首次接觸點的隨機模擬，統計結果表明，在飛船上實時進行非設計接觸模式的預測是非常重要的。
  8. An introduction to the curves and surfaces of computer - aided design, robert c. beach van nostrand reinhold, new york

    《計算機輔助幾何設計與非均勻有理b樣條》施法中著北京航空航天大學出版社1994 ， 10 。
  9. In proc. the eurographics acm siggraph symposium on geometry processing sgp 03, aachen, germany, 2003, pp. 127 - 137. 19 gormaz r. b - spline knot - line elimination and b ezier continuity conditions

    我們的實驗結果說明了三角b樣條不僅具有理論上的完備性，並且是計算機圖形學和幾何設計領域中的非常實用的工具。
  10. Laser - scanned on - line inspection system ( lois ) involving laser, optics, electronics, fine mechanics, opto - electronic transformation and computer etc, is used to realize high speed and accuracy, non - contact and on - line inspection for rotating body types of parts, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical signals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real - time data processing

    激光掃描在線檢測系統是一種基於激光技術、光學、電子學、精密機械、光電傳感技術及計算機等多學科技術於一體的高精度、高速度、非接觸在線檢測系統。它是用可見激光作為光源，把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號，再由計算機進行實時數據處理。給出測量結果，並數字顯示。
  11. In the field of geophysics and information technology, it is important to express a mass of data that may be abstract or invisible directly and visually, with the aid of computer graphics and image process techniques. so visualization not only provides convenient model material for engineering design, but also is helpful to the following analysis. and it can make all information to be displayed directly, so the problems can be discovered and analyzed correctly

    在地球物理與信息技術領域，將科學計算中產生的大量非直觀的、抽象的或者不可見的數據，以圖形圖像的形式，直觀、形象地表達出來，除了可為工程設計提供方便好用的模型資料，而且可為下一步的數據解釋分析奠定基礎，使工作者直觀地看到地質現象的幾何形態、相互關系和分佈，從而準確的發現問題、分析問題。
  12. Based on adaptive control theory, respectively study the system consisting of non - redundant robots and the system made up of redduant robots, proposing classes of adaptive control strategies for trajectory tracking and internal force tracking of robot manipulators with uncertainties. though the controller for the system consisting of nonredduant robots dot not satisfy the condition persistent - exciting, it guarantees the system be stable ; for the system consisting of redduant robots, firstly we derive a new dynamic equation based on the manifold embedding theory in geometry, then design a controller without solving the represser of the system

    對于非冗餘的具有參數不確定性的多個機器人系統，給出了一種自適應控制器的設計法，此控制器保證即使系統不滿足pe條件，系統的內力軌跡仍漸進穩定；對于冗餘的機器人系統，利用微分幾何中的流形嵌入理論推導出一種新的機器人動力學方程，利用此方程設計出一種無須求系統回歸矩陣的控制器，從而提高了系統的運算速度。
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