曲線光順 的英文怎麼說

中文拼音 [qūxiànguāngshùn]
曲線光順 英文
fairing of curves
  • 曲 : 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...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 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...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. This paper put forward the optimized methods include reconstructing the characteristic curve by reasonable use of the adjust tools and analyse tools of the modeling software, admeasuring the automotive model surface correctly, simulating the breaking surface and creating the surface in the right turns which is good for modeling a smooth and exactitude surface. at last, after the correct analysis of the factors which are effect to the surface construction, a smooth and exactitude surface of the similar diamond concept car has been constructed by using the right optimize method

    本文通過合理利用反求軟體中的造型工具和分析工具，正確劃分反求模型的造型區域，使用正確的曲面造型方法，對反求曲面的特徵網格線進行二次優化，並對突變曲面進行擬合再生成處理及建立合理的曲面生成順序等方法，最終獲得了仿型度和光順度都很高的反求曲面。
  2. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓度曲線的逆向曲線光順演算法，該演算法直接擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求出光順后的曲線，並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。
  3. After studying a lot of documents of computer - graphics and computation of geometrical, based on nurbs, which is a pop expression to describe curve and surface, the author put forward a method ? ? to identify bad point by most excursion, to illustrate how to choose smooth base plane, which is not referred in most documents, and to introduce optimize method of operational research to combine surfaces, especially for surfaces combination with vertex, and improvement of combination effect

    在解決多曲面有角點的拼接問題中引入了運籌學的優化方法，改善了多曲面拼接的效果，而且在ugii造型軟體的基礎上，用visualc + + 、 ug / openapi進行二次開發，加入了壞點剔除，曲線光順，曲面片之間的拼接等功能，很好的解決了反求工程中所遇到的問題。
  4. Interval polynomial curves approximation of offset curves

    曲線的光順
  5. Genetic algorithm with fuzzy penalty function and its application in curve smoothing

    模糊罰函數遺傳演算法及其在曲線光順中的應用
  6. In auto smooth method, we use the curvature and depth analysis to look for " bad point " automatically, and take the latitudinal curve to modify the surface ; referring to the tech of image processing, we import a interactive method to smooth surface based on image smoothing

    在自動光順方法中，利用曲率分析及深度分析自動尋找「壞點」並採用緯向曲線重生成的方法予以修正；結合圖像處理的內容，引入了基於圖像平滑的互動式曲面光順方法，取得了滿意的效果。
  7. 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。
  8. Curve smoothing treatment and its nc processing programming for forming dresser

    成型磨削砂輪修整時的曲線光順處理及數控加工程序設計
  9. As a result of the require of cagd in airplane, automobile shipping and electrical appliance etc, fairing of curves and surfaces has become the hot subject in all over the world. this paper presents a new method for fairing of curves based on fitting the derivative of second order of curves. several practicality examples has been given to show the advantage of this arithmetic

    本文針對目前曲線光順演算法存在的問題，提出了一種採用最小二乘法來擬合曲線型值點列的二階導數曲線，然後通過兩次積分來反求光順曲線思想的曲線光順演算法，並給出了實際的算例來說明本文演算法的優越性。
  10. ( 3 ) the thesis proposes an improved algorithm for fairing of bi - cubic b - spline surface which detects the location of non - fairing automatically and adjusts the relative control points. in addition, a new highlight - line method used for surface interrogation is presented

    另外，對曲面光順性檢查的高光線方法進行了改進，用光片模型取代光柱模型，解決了現有高光線方法存在的檢查結果與基準光線相關的問題。
  11. Fairness of b - spline curves based on image smoothing skill

    樣條曲線光順
  12. 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。
  13. The theory of fitting scattered point to b spline and b zier surfaces is introduced and a fitting method based on four boundary and point set is also discussed. moreover, a

    研究和討論了曲面光順程度的分析方法，如等曲率線法、反射線法、高亮度線法和等照度線法等。
  14. With the pressure measurement system for the swirl chamber diesel engine, by using the methods of equivalent power and the seven point three degree average for the indicator diagram, we can correct the tdc, smooth the pressure curve and make more accurate pressure data that is a well basis for the calculation of combustion heat release rate

    摘要本文在自行開發的渦流室柴油機壓力數據測錄系統的基礎上，利用等效功法和七點三次加權移動平均法，分別對示功圖進行了上止點校正和壓力曲線光順，使壓力數據更精確，為燃燒放熱率的計算打下了良好的基礎。
  15. The abstract boundary conditions of ship - hull form and surface are controlled in fairing process

    在曲線曲面光順演算法中，對邊界條件的控制也進行了研究。
  16. The main results in this paper are as following : 1. summarize the develop and actuality of cagd. introduce the meaning and foreground in fairing of curves and surfaces

    在綜述幾何造型原理的基礎上，回顧幾何造型技術的發展趨勢和現狀，並介紹了曲線曲面光順技術的意義和發展前景。
  17. 2. introduce the principle and method in fairing of curves and surfaces. through the analyze to existing method of fairing of curves and surfaces, we point out the disadvantage in presently method in fairing

    介紹了光順的基本原理和方法，在詳細分析已有方法優缺點的基礎了上，通過實際算例說明了目前曲線光順演算法存在的問題，並提出了解決的思路。
  18. Firstly the thesis expatiates the basic concept of reverse engineering, analyzes the basic principle of reverse engineering, the technology & theory of three dimensional measuring and basic theory of building 3 - dimensional free - form surfaces model. secondly it introduces the smooth methods of the free - form surfaces of auto body and solves point - data and surface reconstruction. finally the thesis expatiates applications and technology of auto body of futian heavy truck through reverse engineering

    本文首先將闡述逆向工程的基本概念，分析車身逆向工程的基本原理以及車身逆向工程中三坐標測量技術與原理，車身表面三維數學曲面模型建立的理論基礎，其次介紹車身外形曲面光順方法，以及車身逆向工程中點數據處理技術及曲線曲面重建技術，最後結合福田重卡車身逆向開發，重點闡述車身逆向工程技術的應用與流程。
  19. 4. give several examples which is got from the practicality engineering problem to show the validity and advantage of the arithmetic in this paper

    通過對一些實際算例和工程中實際的曲線光順問題進行的計算，顯示了本文提出的曲線光順演算法的有效性和優越性。
  20. The author also studied ugii, interface statements and internal functions, after a development by using visual c + + 、 ug / open api, inherit functions of ugii, the functions of curve smooth, surface smooth and surfaces combination. after the tests in motorcycle reverse engineering, 1 ) the bad points can be deleted by using curve smoothing function, so the curve become more smooth

    二次開發的功能在某摩托車型的反求過程中的應用，取得了良好的效果： 1 ）曲線中的壞點可以通過調用曲線光順的模塊而得到修改，曲線的光順性大大改觀。
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