法曲率 的英文怎麼說

中文拼音 []
法曲率 英文
[數學] normal curvature
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 率名詞(比值) rate; ratio; proportion
  1. They accommodate by greatly changing the curvature of the cornea.

    它們由大大地改變角膜的方來調節。
  2. In this paper, we give a brief introduction to the helfrich elastic theory. to solve the helfrich equation under the physical conditions of vesicles, a taylor series method is introduced, which offers a unified method to reproduce the exact solution including the famous axisymmetrical constant - curvature surfaces and the biconcave shape solution

    本文在簡要介紹了helfrich的彈性理論及膜方程的基礎上,開創性地引入taylor級數,在軸對稱膜的邊界條件下,對helfrich膜方程以taylor級數求解,統一地得到了目前已知的兩個特解:常平均面和紅血球形狀解。
  3. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用坐標變換推導出弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分度凸輪的嚙合特性進行了深入的分析和研究,對判斷面能否正確嚙合的依據如兩類界限線方程以及誘導主等進行推導,並給出算例。
  4. Further more, this algorithm also provides the criterion distinguishing edge inflexion and sleek curve section and the method computing inaccurately curvature radius and approximate perimeter. the paper also introduces the use method with cell edge hollow repairing and overlap or conglutination cell segmentation. for example, this algorithm has proved high - speed and has a good effect of cell segmentation on more than twenty groups of conglutinate and absent cells which are gathered from three kinds of cells

    同時給出了利用這些參數判別邊界角點,邊界光滑段的判據,以及估算半徑,等效周長的方;最後,以細胞邊界凹陷的修補和重疊細胞粘連的分割為例驗證了演算的可行性,該演算在採集到的30餘組粘連和缺損細胞上進行了驗證,結果表明,該演算處理速度快,分割效果良好。
  5. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained , and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式,建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方用圓弧逼近平面參數線,不需要求解非線性方程組,避免了計算可能不收斂的麻煩,簡化了非圓線的節點計算過程
  6. Chapter 3 erected the relationship between refraction error and cornel ablation depth in theory. the paper proposed various mathematical models which can be used for proceed the simple myopia, simple hypermetropia, compund myopia astigmatism, compund hypermetropia astigmatism, simple myopia astigmatism, simple hypermetropia astigmatism, mixed astigmatism. the influence of the astigmatic axis and the degree of astigmatism on the correction field is discussed. wavefront aberration guided excimer laser cornea ablation is a main method of customised corneal ablation

    以數學的方研究出了屈光性單純近視、屈光性單純遠視、復性近視散光、復性遠視散光、單純近視散光、單純遠視散光、混合性散光屈光矯正的物理模型;並揭示了不同軸位的轉換規律,對不同散光情況下的初始角膜兩個不同方向的半徑和手術后最終的半徑作了定量的研究。
  7. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了內輪廓數據,分別運用程序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種基於、等距及距離偏差帶的自適應數據壓縮方
  8. Long focus object lens of three color achromatic aberration is one of two posers of optical design, using this method can get a perfect result. compared with pw method, the first results received from the wave - deviation method are more accurate and more rapid

    使用此數學模型編的光學自動設計程序,也可以說是光學鏡頭設計的一種新方,即實現自動選玻璃,求解初始結構(半徑r ,厚度d等)和自動校正像差和優化系統等。
  9. The design of dgwfs and the quadratically distorted diffraction gratings is introduced firstly in chapter 1. secondly, based on the prevenient algorithms, the phase retrieval for the novel dgwcs is discussed by comparison, also more analysis is made by examples in chapter 2

    第二章在總結、研究和改進前人理論方的基礎上,總結了適合光柵型波前傳感器相位恢復的三種演算,並作了詳細的理論推導、分析和舉例說明,完善了光柵波前傳感器的相位恢復理論。
  10. Then a high - degree geometric continuity blending surface is obtained with transfinite interpolate method. ( e ) g3 blending surface with approximation can be constructed by lofting if geometric invariant errors are given, the surface can be converted to b - spline, nurbs form for the purpose of system aggregation

    最後,為滿足面造型系統集成的需要,在保證導數和撓精度情況下,將上述研究結果應用於面放樣逼近方,得到參數過渡面轉換成b樣條面或nurbs面的形式。
  11. Suanifolds with the vanishing normal curvature tensor in locally syetric space

    局部對稱黎曼流形中法曲率張量場消失的子流形
  12. Changes of the induced normal curvature and the relative sliding coefficient of gears are the important factors

    齒面誘導法曲率和滑動系數的改變是重要的影響因素。
  13. Because the data mutate on the position that is the edge, the normal curvature on some orientation changes from positive to negative. so it is thought whether some point is judged the edge - point by this character

    由於邊緣是圖像上像素發生突變的位置,所以在圖像面上某一方向的法曲率值會出現由正到負的變化,故此應用這個性質來判斷面上某點是否為邊緣點。
  14. By pre - dividing parametric region of the surface and introducing the concept “ maximum absolute normal curvature ” at a point on the surface, the method adopts “ divide and conquer ” approach triangulating the parametric region of the surface piecewise

    該演算通過對面的參數域進行預剖分,以及引入面上一點處的「最大絕對法曲率」的概念,採用「分而治之」的方分片對參數面的參數域進行三角形網格剖分。
  15. According to the differential geometry theory, the principle curvatures and principle relative curvature of the spur gear and the fg in line contact and point contact, the tooth surface relative speed and the tooth contact interface are analyzed, whose distributing on the tooth surface are visualized by computer

    在齒面的幾何特性研究中,利用微分幾何的原理分析了圓柱齒輪和面齒輪的齒面、線接觸和點接觸面齒輪傳動的主誘導法曲率以及嚙合過程中齒面的相對速度和接觸區域計算問題,並獲得有益的結論。
  16. 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

    該方基本上可以像「自適應」方一樣,根據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快。
  17. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討,推導出了兩次嚙合的嚙合方程式、瞬時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件,相對運動速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率;此外,還對磨齒后工件的齒面誤差進行了理論分析;並在理論基礎上編制了相應的計算機程序,自動生成接觸線族及嚙合界限線,對不同參數條件下的嚙合情況進行分析,可以使工藝條件達到最佳狀態;最後研究了磨齒裝置,設計了磨齒機的傳動系統。
  18. Tooth surface equations and contact line equations of the involute worm gearing are established according to its machining methodology. meshing characteristics in rigidity condition are studied. these characters include the inductive normal curvature along the contact line on the worm surface, the first and the second limit lines during the engage of the worm gear, and the influence of the intersect angle between the contact line the relative velocity of the worm and the gear on transmission performance

    根據漸開線圓柱蝸桿傳動的創成方,建立了漸開線圓柱蝸桿和蝸輪的接觸線方程式、齒面方程式,分析了漸開線圓柱蝸桿傳動的剛性嚙合特性,如蝸桿與蝸輪嚙合時的誘導法曲率、一類界限線、二類界限線和蝸桿與蝸輪間相對速度方向和接觸線方向的夾角對傳動性能的影響; 2
  19. It elaborates the contents and requirements of the technique means of fault diagnosis and damage identification for structure, and the present research and application of damage identification for structure with vibration diagnosis technique ; based on the modal parameters, it discusses the theory and technique of the damage identification for structure with the flexibility difference method and curvature modal method, then present the idea of damage identification for structure with flexibility difference curvature method

    本文闡述了結構故障診斷的技術手段、結構損傷識別技術的內容與要求,應用振動診斷方進行結構損傷識別的技術研究與應用現狀;論述了基於模態參數,用柔度差值模態進行結構損傷識別的理論與方,進而提出了柔度差值進行結構損傷識別的思想與方
  20. Using the similarity between plane elasticity and plate bending, this paper successfully fulfils the identification of rolling vector and establishes a general method, the curvature lumping method, to represent the rolling vector by the use of simple displacements vector

    利用平面彈性和板彎的相似性,本文實現了角卷向量的辨識並得到了用簡單位移向量表示角卷向量的一般方?堆集,打通了與有限元通用程序的介面。
分享友人