離散點 的英文怎麼說

中文拼音 [lísǎndiǎn]
離散點 英文
discrete points
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  1. Some answers to a question on discrete point set extremum

    一種離散點集極值問題的幾個結果
  2. Identifying and parameters extraction of quadric surface based on discrete point

    基於離散點的二次曲面識別及參數提取
  3. Some examples are given in this dissertation. first, the coordinate values of a group of discrete points on the cam profile are achieved by conventional design method which are then used as measured data of the cam profile. then the kinematic analysis of the cam mechanism is performed by the method developed in this paper

    本文以已知從動件運動規律的凸輪機構為例，利用正設計方法求出凸輪實際廓線一組離散點坐標值，並以此作為凸輪檢測數據，運用本文提出的分析方法進行運動反求，並將反求所得結果與理論結果加以分析比較。
  4. Secondly, based on nurbs curves approximation algorithm, a nurbs surface approximation algorithm on discrete data sets is given. thirdly, a shape - preserving parametric surface interpolation to data set is given

    2基於所給的nurbs曲線的逼近演算法，建立了帶插值條件的離散點集的nurbs曲面的逼近演算法。
  5. The nurbs curves and surfaces approximation to constrained data sets is discussed in this dissertation. the major works are as follows : firstly, based on simulated annealing algorithm and least square principle, a nurbs curves approximation algorithm to constrained discrete data sets is presented

    本文討論了帶約束的離散點集的nurbs曲線、曲面的逼近問題，主要工作如下： 1基於模擬退火演算法和最小二乘法，給出了帶插值條件的離散點集的nurbs曲線逼近的演算法。
  6. Quick locating algorithm for turning points in discrete point set of plane curve

    平面曲線離散點集拐點的快速查找演算法
  7. Acoustics - determination of sound power levels of noise sources using sound intensity - measurement at discrete points

    聲學.利用聲音強度測定噪聲源功率級.第1部分:離散點測量
  8. In this paper, data acquisition and processing method is introduced, surface fitting and error estimation methods based on special scattered data is put forward

    本文介紹了三維坐標數據的採集和數據處理方法，提出了基於空間離散點坐標進行二次曲面擬合及其誤差評定的方法。
  9. Cable modeling based on disperse node control

    基於離散點控制的電纜建模方法
  10. The method of boundary finds the sort of discrete points

    應用本文提出的邊界排序法實現離散點集的排序工作。
  11. To date only discrete points are obtained, but not the surface of the scene. hence a least - square method is used to fit terrain surface

    對整幅圖來說，完成點的重建后得到的僅僅是圖像上的一些離散點。
  12. Abstract : aim at the photocurable sterelithography in which micro - components are made according to point - to - point exposure, the paper describes that this method takes long prototyping time ， and it is one of main factors to restrict extension and application

    文摘:採用離散點曝光方式來製作微型構造物的光固化快速成型法，其成型時間長，這一問題是制約微型光固化快速成型技術迅速推廣應用的主要因素之一。
  13. In chapter two and chapter three, this paper discusses the tracking and building of isolines from two aspect, regular grid data and random discrete data

    文中第二章和第三章從規則格網數據和任意離散點數據兩個方面討論了等值線的追蹤與生成。
  14. In addition, for regular grid data it presents an effective algorithm for some particularity that there are four isopoints in one grid cell and for random discrete data points it lays emphasis on triangulation. this paper firstly put forward three principles : attribute principle of adjoining isolines, attribute principle of isoregions and inclusion principle of ioslines after studying the character of isolines. the bivalue - topology algorithm based on boundary tracking is given, which is founded on the three principle and is used to fill isoregions

    另外，在這兩部分中除了對邊信息鏈表的形成過程以及基於邊信息鏈表的等值線生成做了詳細討論外，還對規則格網數據的等值線追蹤中，一個網格單元上含四個等值點的特殊情形給出了一個比較有效的演算法，並在任意離散點數據部分對平面點集的三角剖分進行了著重討論。
  15. Application of screen imitating in the path synthesis of plane linkage mechanism

    屏幕擬合法在平面連桿機構離散點軌跡綜合中的應用
  16. 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。
  17. This dissertation mainly deals with the surface reconstruction on the basis of the numeric tooth surface of the spiral bevel gear. the first step of surface reconstruction is designing the algorithm to partition the grids and transforming the origin data to the matrix style face by face

    螺旋錐齒輪齒面形狀復雜，一般採用數值模擬的方法進行設計，為了使得到的數值齒面能被通用cad cae軟體採用，需要把離散點連續化，重構出輪齒表面。
  18. A smoothing technique is combined with optimum approximation and finite element piece - wise interpolation in the method, it can simultaneously process measured vector components, imp ro ve smoothing capability of solution, space composed of original discrete points and increase the accuracy of the solution, especialy its derivatives

    該方法結合最佳逼近、有限元分片插值與光順技巧，對測量向量各獨立分量進行處理，改善了原離散點構成的解空間的光滑性，提高了解尤其是導數場的精度，在測量區域內再現了光順向量函數及連續的導數。
  19. Surface modeling approach for free - form machining based on the cubic spline function

    基於三次樣條的離散點曲面構建演算法
  20. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的，其噪聲值為71db （ a ） ，國內生產的汽車動力轉向泵是用靠模方法加工的，其噪聲值分別為73db （ a ）和75db （ a ） ，為了分析定子曲線對泵的噪聲的影響，本人用三坐標測量儀對定子內表面進行精密測量，獲得定子內表面的離散點坐標，以matlab語言為工具對離散點進行曲線擬合，觀察擬合效果，然後，用回歸方法求出了定子過渡曲線的方程，並把該方程與理論方程標準型進行了比較，得出如下結論：用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線標準型，而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線標準型相比較，則存在著較大的誤差，結合噪聲測試結果可知，定子過渡曲線的優劣，對泵的噪聲大小有著重要的影響。
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