intersection surface 中文意思是什麼

intersection surface 解釋
截面
  • intersection : n. 1. 橫斷，橫切；交叉，相交。2. 【數學】交集。3. 交點，交叉線，十字路口。4. 邏輯乘法。
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  1. The angle drawn at the point of incidence ( intersection of ) a reflected ray and the normal line perpendicular to the reflecting surface

    中義光線在物體表面的投射點上反射出來的光線與物體表面垂直法線所夾的角度。
  2. The electro - magnetic telegraph was the wonderful and most unexpected consequence of the experiments of oersted and the mathematical investigations ofampe : and the modern art of navigation is an unforeseen emanation from the purely speculative and apparently merely curious enquiry, by the mathematicians of alexandria, into the properties of three curves formed by the intersection of a plane surface and a cone

    電報是奧斯忒的實驗和安培的數學研究最出乎人預料而令人驚異的結果；現代航海技術則意外地產生於亞歷山大的數學家們對由一平面和一圓錐相交所形成的三條曲線的性質進行的純粹思辯性的、顯然僅僅是出於好奇的探索。
  3. It supposed that the circle of sliding surface run through the foot of slide. the factor of safety is transmitted to the function of x coordinate of the intersection point of the tangent at the scrap of the circle and x axis. so, the two - dimension area of searching is changed to one - dimension

    該方法先固定潛在滑動圓弧的上、下邊界點，利用滑弧后緣處的切線與x坐標軸交點的位置確定了滑弧的曲率，將二維搜索麵域簡化為一維搜索線域，搜索的上、下限有嚴格的界定，不存在漏點問題。
  4. In some time - critical situation, continuous ssi is computation bottleneck of some solid modeling system. conventional approach for solving continuous ssi often uses intersection algorithm iteratively without taking the characteristic of the surface into account to simplify computation. the dissertation analyzes the intersect curve structure of continue surface, from the point of intersect curve ' s evolution, it describes the relationship between topology of offset surface intersect curve and topology transmit point ( ttp )

    等距曲面和運動曲面在cad cam領域中有著重要的應用，在一些時間敏感場合例如數控加工動態模擬，等距曲面和運動曲面等連續變化曲面求交運算已成為這些系統的計算瓶頸，連續變化曲面求交問題的通常解法是採用曲面求交演算法反復迭代計算交線，沒有考慮連續變化曲面交線之間的相似性進行求交簡化，效率上一直不能有很大的提高。
  5. The surface deformation monitoring of the side - wall by combination of the forward intersection method with the analytical trigonometric elevation measurement demonstrates that the plane deformation and vertical deformation of the side - wall are small, and the quality of dam filling and side - wall construction is satisfactory

    用能夠滿足精度要求的前方交會法與解析三角高程測量法結合的方法對邊墻表面變形進行監測，結果表明，邊墻平面位移和垂直位移均較小，大壩填築和邊墻施工質量可靠。
  6. The consequence of computation indicated above method not only can approach turbine blade surface accurately but also can be provided for extend and intersection while the precision can be controlled. it realized anticipated goals of the application of turbine blade and engineering exercises. thus, it provide the foundation to the reconstruct and optimize design of turbine blade as well as the cam of turbine blade

    算例結果表明，上述方法不僅可精確擬合混流式、軸流式水輪機轉輪葉片，而且還能對葉片進行求交、延展運算並控制精度，實現了nurbs曲面造型技術應用於水輪機葉片設計和工程實際的預期目標，為水輪機葉片的改型設計和優化設計、水輪機葉片的計算機輔助製造打下了基礎。
  7. Influence of two points forward intersection method in surface mine acceptance measurement accuracy

    兩點前方交會法對露天礦山驗收測量精度的影響
  8. This paper emphatically researched the problem how to calculate the intersection point between workpiece that rotated with variational angle velocity and milling cutter that moved with complicated track and rotated with high speed. furthermore it adopted the discrete curve surface method for every milling cutter, and treated image frame as the control parameter of position of milling cutter during the intersection calculation process, so the algorithm of intersection between workpiece and milling cutter was obtained. the paper also discussed further three - dimension graphic problem of manufacture process

    文中對做變角速度運動的工件和運動軌跡復雜的高速自轉中的銑刀求交問題進行了重點研究，採用將銑刀上的每個刀尖劃出的曲面離散化的方法，以圖像顯示的幀數作為求交計算過程的銑刀位置的控制參量，得出了銑刀與工件的求交演算法。
  9. This thesis discusses the problem free - surface modeling technique of turbine blade according to the property of the runner blade and the present research achievement in free - surface modeling technique, the major study concerned are introduced below : firstly, it accomplished the study of intersection for blade - to - plane and present the method of three - step algorithms such as subdivision > iterative refinements approach ; meanwhile it solved the problem of small area extend of blade by use minimal modulus method

    本文針對水輪機葉片的特點，結合曲面造型技術的研究現狀，研究了水輪機葉片的nurbs曲線曲面造型問題。主要工作有：第一，完成了葉片與任意平面求交問題的研究，提出分割-迭代-擬合三步求交演算法。同時首次應用最小二乘擬合端部法解決了葉片的小區域延展問題。
  10. All algorithms that introduced hi my paper focus on the hollow hull of object, and the calculations are a series of intersection of face and line that have no ply. and by employing the topology information that come with the points since their generation, we can get the surface polygonal mesh without triangulation and reduce the time used in reconstruction of visual hulls and help to realize real - time rendering

    本文提出可見殼的生成演算法都是建立在無厚度的平面直線求交計算上，完全避免了對物體內部的冗餘區域的計算，同時利用物體表面點集與生俱來拓撲信息，恢復物體表面的多邊形網格，在一定精度范圍內可以避免對散亂點集進行三角剖分，減少可見殼的生成時間並有助於實時繪制的實現。
  11. Seeking the intersection of a line and an ellipsoidal surface with the projection plane transforming method

    用換面法求解直線與橢圓球面的交點
  12. This algorithm has higher efficient than the method which uses tool path envelope intersection with normal vector of surface of geometry model and has higher verification precise than the method that uses tool path envelope intersection with z direction vectors

    其運行效率高於用幾何模型法向量與刀具掃掠體求交的方法，驗證精度大於用z坐標方向矢量與刀具掃掠體求交的演算法。
  13. Test relating to pavements. transversal eveness tests. part 2 : continuous dynamic measurement of the profile section by materialisation of the intersection of a plane and the pavement surface

    路面試驗.橫向均勻性試驗.第2部分:平面和路面交截面的連續動態測量
  14. In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object

    同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度，該演算法可以減少光錐向圖像平面投影計算的次數，以邊池搜索取代散亂點集上進行的三角剖分； （ 2 ）基於退化多邊形求交的多面體可見殼模型重構，系統引入退化多邊形的概念，把錐體平面的交集中不連通的部分用一個退化多邊形來表示，並引入了新的基於退化多邊形的求交演算法，與傳統多面體可見殼重構相比，該演算法有以下幾點創新：在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集，把任意錐面與物體輪廓的交集歸一到一個退化多邊形；基於退化多邊形的二維平面上多邊形快速相交演算法，該演算法在一定程度上就是兩個有序鏈表的合併，大大簡化了先前的布爾求交計算； （ 3 ）基於光線跟蹤的演算法，該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算，最後得到每次求交計算得到線段的交集，該線段的頂點就認為是物體表面點，從而得到物體表面的點雲。
  15. In chapter 3, we discuss surface restoring method based on ct data which uses the intersection algorithm between spline curve and radial to resample the section curve, then works out surface controlling point array ; take opengl to display the surface with reality and the lighting, coloring effect

    第三章討論了基於ct數據的曲面重構方法，利用樣條曲線與射線的求交演算法對截面曲線進行重新采樣，並反算曲面控制點陣；在其後的顯示過程中，利用opengl實現曲面的真實感顯示，包括顏色、光照的變化等。
  16. Surface and surface intersection ( 551 ) is one of the key tasks in cagd

    曲面求交（ ssi ）是cagd中的一個重要課題。
  17. On the basis of analyzing and summarizing intersection ' s character, the author has studied the horizontal design method and the new vertical design method based on coons surface model. further more, combining the design custom of intersection, the author has developed " highway intersection cad system " based on windows operating system

    作者在分析、總結公路平面交叉口特點的基礎上，研究了公路平面交叉口的平面設計方法和基於coons曲面模型的立面設計新方法，並結合公路平面交叉口的設計習慣，開發了基於windwos的公路平面交叉口cad系統。
  18. A new method of intersection interference analysis for real tooth surface

    一種真實齒面相交干涉分析的新方法
  19. Intersection measuring system of trajectory camera with long narrow photosensitive surface

    條帶式彈道像機交匯測量系統
  20. Secondly, in this dissertation also introduces a new concept of " connected surface projection region ", and proposes a new algorithm for surface reconstruction based on projection. the zero isosurface is extracted using mt ( marching tetrahedras ) algorithm. in accordance with the intersection feature between isosurface and voxel, this dissertation made improvement in mt algorithm

    然後在分析輪廓投影關系特性的基礎上，給出「連接表面投影區域」的概念以及一種基於投影的體數據轉化表面重建方法，選擇marchingtetrahedras （ mt ）演算法進行基於體素的等值面重建，並根據重建的要求對mt演算法進行改進。
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