擬合樣條 的英文怎麼說

中文拼音 [yàngtiáo]
擬合樣條 英文
fit splines
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ名詞1. (形狀) appearance; shape 2. (樣品) sample; model; pattern Ⅱ量詞(表示事物的種類) kind; type
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  1. Fitting method for pump complex characteristic curve based on b - spline

    的水泵復雜特性曲線方法
  2. Then the forging blade body is formed by fitting the data of forging blade to spline and b - surface, calling the rabbet and boss, generating the draft angle. then the related parameter is calculated

    將鍛件型面數據曲線、曲面,調入榫頭和凸臺,作出模鍛斜度,生成葉片鍛件實體,並計算了鍛件的相關參數。
  3. Auto - adapted fitting algorithm of b - spline surface objects

    曲面自適應演算法
  4. Fair fitting method of b - spline surface and computation of fitting precision for sectional points

    曲面光順及其精度計算
  5. Finally, a discrete g 1 continuous b - spline surface is generated by a surface fitting algorithm

    最後,通過曲面演算法得到離散g 1連續的b曲面。
  6. This uniform resample of data points in rectangular region and fitting of piecewise smooth b - spline surfaces are explored

    研究了矩形區域內數據點的重新均勻采以及光滑分片b曲面的問題。
  7. Hole repairing in triangular mesh models and piecewise smooth b - spline surfaces fitting have been studied in this dissertation

    本文對三角網格模型上的孔洞修補及分片光滑b曲面的技術進行了研究。
  8. This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section

    文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法,並重點討論了基於約束件的delaunay三角網格化演算法、 nurbs (非均勻有理b)曲面、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。
  9. The application of cubic splines interpolation in the project fitting

    三次插值在工程中的應用
  10. The tsf method combines efficiently llsf and tri - cubic spline interpolation, learns from others " strong points to offset one ' s weaknesses, so has rapidity and high accuracy of computation and is suitable for contour surface drawing in real - time. 3

    該方法綜多元法與局部加權最小二乘法,揚長避短,不僅保證了逼近精度,提高了計算速度,而且加密計算的結果可直接應用於等位面的實時顯示。
  11. The dissertation is summarized as follows : 1 ) b - spline curve fitting is studied. several curve fitting methods are disc ussed, and a method for b - spline curve fitting in the specified tolerance is pr esented. 2 ) b - spline surface fitting is studied

    作者完成的主要工作如下: 1 )研究了b曲線的問題,討論分析了數種常用的曲線方法,並提出了一種給定允差下b曲線的方法。
  12. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法,實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法,準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次函數虹膜圖像背景,去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面,本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  13. After looking up a large amount of native and foreign information, the materials used in the experiment were as follows : ptfe base, graphite filler, molybdenum disulfide filler, copper powder filler, carbon fiber and so on. the experimental method is that the formula was designed according to uniform experimental method, the relationship between formula and frictional property was found with spline function and then the representative test points were chosen from fitting curve to make verification test for optimization. the preparative technique of solid lubricant is cold - press sintering method

    經過查閱大量國內外文獻資料后確定原料為:聚四氟乙烯樹脂為基體,加入石墨、二硫化鉬、銅粉、碳纖維等填料;試驗方法為:根據均勻試驗方法設計配方,用函數找出配方與摩擦性能的關系,然後在曲線上選取具有代表性的試驗點進行驗證試驗,達到優化的目的;制備工藝:冷壓燒結法制備固體潤滑劑。
  14. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力線和升力面設計方法,在升力線設計中計及槳葉的縱傾和側斜的影響,用優化理論求解最佳環量分佈,升力面設計中用b槳葉,將物面邊界件轉化為求法向速度分量的平方最小,由此可得到光順的槳葉幾何形狀,提高和改進了設計質量。
  15. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    建模型的過程中,首先運用逆向工程測量方法,獲得曲面物體上不同截面輪廓線的測量數據點列,接著對測量數據點進行平滑處理,用最小二乘法求解基於數據點列的控制多邊形,以非均勻三次b曲線截面輪廓曲線;然後利用基於垂距的數據采演算法,對曲線上的數據點進行重新采,達到優化數據點的分佈及減少描述曲線數據量的目的。
  16. During the past decades, some researchers, such as : bezier, kj. versprile, deboor and cox, etc. had made great progress in the filed of constrained b - spline curve and surface fitting. in this article the method of constrained b - spline curve was introduced, which is used to figure out the control vertexes. using this interpolation method we can calculate every points of a uniform b - spline

    並且分析了在各種端點情況下,在重節點的情況下,如何反算控制多邊形的頂點;如何在求出控制多邊形頂點之後,插值計算b曲線上的每一點;並通過結雙尾船的型線,採用visualc + +和autocad2002為平臺,分別編制了相應的軟體,對提供的型值做出繪圖處理,取得了良好的效果。
  17. It offers the idea according to problem faced, considering the good character of the ends, the ajusted cubic b - spline curve is used to fit ship lines. it finds out the control vertexs according to a sequence of given points, and then, through particular formula, each point in the curve could be worked out. it smoothes lines with the method based on small - paramter

    針對面臨的問題,提出了自己的思路,在數學計算方法上,由於三次準均勻b曲線良好的端部性質,這里用它來船舶型線,首先根據所給的初步型值求出其控制頂點,然後根據相關公式進行插值便能得到曲線上的所有插值點。
  18. In view of the fact that the genetic algorithm of stochastic programming based on random simulated technology has succeed greatly, this paper points out that changing parameters of genetic algorithm can obtain a sequence of optimum values of goal function. taking these genetic algorithm values as sampling data, we can get fitting optimum function by using multivariate spline regression and get the lipschitzs constant of the fitting optimum function. so for any chance constrained programming problem, we can get its interval estimate

    鑒于基於隨機模技術的遺傳演算法在求解隨機規劃問題上的優越性,本文指出,改變遺傳演算法的參數件,在此基礎上求得機會約束規劃的若干個最優值,以這些最優值為本點,利用多元回歸,得到最優值函數,進而求出最優值函數的lipschitzs常數,從而對于任一機會約束規劃問題,都可以得到它的一個區間估計。
  19. So we can complete the kinematic analysis of the cam mechanism by the analysis of the corresponding assur - group. based on the method, this paper deals with plannar disc - cam mechanisms with different types of followers. the main points of this paper are as follows

    基於桿組的分析方法,本文圍繞各種類型從動件的平面盤形凸輪機構做了如下工作: 1 .根據凸輪機構的檢測數據利用三次周期函數插值法對凸輪實際廓線進行曲線
  20. Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved. the volume of the bubbles can be estimated on the bubbles " area information, and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences, which solve tracking problem under complex conditions efficiently, such as some bubbles may have kinetic occlusion and crossover, some newly generated bubbles may entered into flow field and run away. a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized

    根據氣泡在圖像平面中的面積估計氣泡的體積,並對流場中的所有氣泡採用遺傳演算法進行最佳的匹配跟蹤,有效地解決了氣泡群在流場中出現如遮擋、交又、新它『出現、逃逸等復雜情況下的準確跟蹤,並採用三次插值方法對離散的質心點軌跡進行,得到氣泡在流場中平滑的運動軌跡,從而實現了摻氣水流特性的可視化測童。
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