樣條光順 的英文怎麼說

中文拼音 [yàngtiáoguāngshùn]
樣條光順 英文
spline smoothing
  • 樣 : 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
  • 條 : 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...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 順 : Ⅰ介詞1 （向著同一個方向） in the same direction as; with 2 （依著自然情勢; 沿著） along; in the d...
  1. Fair fitting method of b - spline surface and computation of fitting precision for sectional points

    樣條曲面光順擬合及其精度計算
  2. Secondly, an improved approach for fairing of bi - cubic b - spline surface is presented

    提出了一種改進的雙三次b樣條曲面光順方法。
  3. 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樣條來擬合槳葉，將物面邊界條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。
  4. Abstract : this article is devoted to the development hull lines fairing, analyses some cases of this topic in home and abroad, poses some technical questions of hull lines fairing and also gives the solution including the spline curve precision fairing theory, ship data series, adept more data interactive way, and the integration of lines fairing and cad / cam, etc

    文摘:本文以船體線型光順的發展方向為題，論述了國內外的發展概況，針對國內情況提出了船體線型光順的一些技術問題和解決方案，包括建立樣條曲線的精密光順理論，系列船數據庫，更多地採用數據圖形交互手段，線型光順和cad / cam實現一體化。
  5. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。
  6. And we give out the multi - resolution representation method of curve and surface and the spline wavelet smoothing method

    最後，引入了曲線曲面的多解析度表示及利用樣條小波進行曲線曲面光順的方法。
  7. Surface fairing is an inevitable operation on reconstructed b - spline surface in reverse engineering cad modeling. because of some random factors in data acquisition process or limitation on modeling methods, the quality of the constructed b - spline surfaces may not always satisfy the users " requirements

    由於各種各種測量因素和造型手段的局限性，基於測量數據重構出來的b樣條曲面模型的表面品質有時並不能滿足用戶的要求，因此經常需要通過光順來改善重構曲面的品質。
  8. By the mass spectrometers, we not only perform routine analytical analyses on all of our catalog and custom products, but also offer analytical services as independent means of validating your compounds or materials

    具有多順序測定方式，一次進樣可測得多種分析條件下的數據，全面支持光電二極體陣列檢測器，是最高級別的lc ms 。
  9. In this paper, authors have predominantly discussed mathematical model of cad for designing bodyplan of fishing vessels, generating and gradually and perfectly completing data base system of prototypes for pattern of vessels with technique of data base, and completing fairing of lines by insertion of cubic sample function and its software system

    摘要本文重點討論了在計算機輔助漁船型線設計中採用的數學模型，應用數據庫技術生成和逐漸完善母型船的型船庫系統，以及採用三次樣條函數插值解決光順問題和軟體系統。
  10. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要，系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法： （ 1 ）在基礎演算法研究部分，提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法； （ 2 ）提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法； （ 3 ）提出了一種稱為「虛擬測量」的曲面模型處理方法。
  11. According to the particular characteristics of cad modeling in reverse engineering and the practical demands from customers, the author made an elaborate and in - depth study on b - spline surface reconstruction in three aspects, including b - spline surface fairing, local b - spline surface designing and b - spline surface approximating based on complicated boundary constraints

    本文結合反求工程cad建模自身的特點和用戶的實際需要，主要對b樣條曲面造型三個方面的工作做了較為細致和深入的研究和探討： b樣條曲面光順、 b樣條曲面局部設計和基於復雜邊界約束的b樣條曲面逼近。
  12. Fairness of b - spline curves based on image smoothing skill

    樣條曲線光順
  13. A fairing method based on energy me thod for cubic b - spline curves is presented. since only local control vertices ar e modified, this method, compared with energy method, not only makes the c omputation faster, but also makes the changes in shape of curve less

    4 ）研究了b樣條曲線光順的問題，在傳統能量法的基礎上提出了b樣條曲線的一種光順方法。該方法通過對局部控制頂點的修改來進行曲線光順。
  14. According to properties of curve and surface, algorithms, which is based on the elastic splint and the thin plate energy models respectively, are employed to fair curve and surface

    根據曲線曲面的性質，以彈性樣條和彈性薄片體的能量為物理模型，構造麯線曲面的光順演算法模型。
  15. The parts reverseeng ineering deals with mostly have freeform surfaces. the regeneration of the free form surfaces is the main task of reverse engineering. in this paper some key techniques for nurbs surface reconstruction in reverse engineering such as b - spline curve fitting, b - spline surface fitting to scattered data, b - spline surfa ce fitting to contour data and b - spline curve fairing are studied

    本文研究了逆向工程中b樣條曲面重構的關鍵技術，包括b樣條曲線的擬合、散亂數據的b樣條曲面擬合、逐層掃描數據的b樣條曲面擬合以及b樣條曲線的光順。
  16. 3 ) b - spline surface fitting to contour data is studied. a fitting method of using uniform knot vector is given. using this method, the resulted b - spline s urface not only satisfy the requirements of precision, but also possess fewer c ontrol vertices and good fairness, the computation speed is greatly improved t oo

    3 ）研究了逐層掃描數據的曲面擬合問題，給出了一種是利用統一的節點矢量進行擬合的演算法，用該法得到的b樣條曲面不僅可以滿足精度要求，而且具有較少的控制頂點和較好的光順性，計算速度也有較大的提高。
  17. The work mainly consists of four parts : the first part is to use oxidation and lpcvd technique to produce sio2 mask film and si3n4 insulation film in order to enhance the heating efficiency of micro chamber, and guarantee the carry out of the reaction. the second part is to use the combination of dry etching and wet etching to produce reaction micro chamber, it is the container which carry out the pcr reaction, and dna sample carry out amplification reaction here. the third part is to use the sputtering, photolithography to produce heaters and temperature sensors which heat the reaction micro chamber and provide the temperature condition for the pcr reaction

    首先，利用氧化工藝和lpcvd技術，生長sio _ 2掩膜層和si _ 3n _ 4絕緣層，以提高反應腔的熱效率，保證擴增反應的順利進行；其次，用濕法腐蝕和干法刻蝕相結合的方法加工微型腔體，使之作為dna樣品進行pcr擴增反應的容器；第三，用濺射、光刻等工藝在微型腔體底部製作微型加熱器和溫度傳感器，實現對反應腔體的加熱及其溫度的精確測量，提供pcr擴增反應所需的溫度條件。
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