線型光順 的英文怎麼說

中文拼音 [xiànxíngguāngshùn]
線型光順 英文
fairing
  • 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...
  • 線型 : alphabet of lines
  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. Furthermore, the current research about body measuring and modeling is just for costume and military affairs, and pay more attention to the head dimension and shape. with the development of human nature during the manufacturing, body cad model is widely applied in industry design, ergonomics, engineering design, humanics research and iatrology research. the body cad model also can be the basic data for the design of respirator

    本文使用nurbs曲面直接擬合的方法對測量的點雲進行曲面重構，將系統的優化方法應用到nurbs曲面重構中，利用插值曲線對測量點雲進行分塊處理，解決用nurbs曲面擬合中曲面的光順與曲面與點雲的誤差之間的矛盾問題，使反求模型中各曲面片之間相互連接、光順過渡且能夠反映出人體頭部的細部特徵。
  5. Through interpolation we can calculate every point of a ship or create a line wherever in the lines plan due to given paramater. in order to inquire and output data conveniently, this thesis also offers the data interface which can obtain original data from preceding module. after smoothness and interpolation, the moulded - values - table could be expanded. the changed table could be saved in a data file. and then, the data data base management program can manage the data including interpolation and query without autocad, the data could be offerred to the equipments according to the demand of manufacture

    為便於型值的查詢和輸出，本文還提供了數據介面以便從前期模塊獲得原始型線數據，經過繪圖時的光順和插值處理，型值表可以進行擴充，擴充后的型值表還可以方便地存儲到一個數據文件里，然後可以獨立於autocad ，可以用數據管理模塊對數據進行管理，包括數據的修改和查詢等，還可以根據需要提供給相應的生產設備以便加工。
  6. 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。
  7. 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
  8. 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。
  9. ( 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。
  10. 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。
  11. 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。
  12. With the knowledge of mathematical fairing and fairing procedure, we divide and classify ship data first ; then we design the database, give the tables " structure ; after the analyzing and designing of the system, we develop " ship lofting cad / cam system " with visual c + + using odbc technology. the interface of the system is friendly to users

    在對船體型線光順演算法和光順過程的充分研究的基礎上，我們首先對船體數據進行分類整理；然後進行數據庫設計，給出各種表結構；最後對系統功能進行分析設計，以visualc + +為開發工具，應用微軟的開放數據庫互連技術實現了「船體放樣cad cam系統」 。
  13. 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。
  14. The molding procedure includes dealing with the end points of section curves, fitting the curves with the defining points, smoothing the curves, sheet molding of the blade surfaces and solid molding of the blade body

    造型過程如下：葉身截面線的端點處理、葉身截面線的擬合處理、葉身截面線的光順處理、葉身曲面造型、葉身實體生成。
  15. An important application of shape matching technique is the reconstruction of archaeological fragments. conceming this application, a series of processing algorithms is presented. an efficient algorithm of fragment digital, mesh simplification, extracting mesh outlines is presented, and the mesh simplification algorithm with features of 3d edge preservation by applying edge operations, in order to reduce the difference, smooth, filter and resample are applied on the original information

    對于輪廓曲線的特性、復原目標、過程模型作了論述，完成了物體數字化採用的方法、數字化物體的存儲、具有3d邊緣保持的網格簡化、輪廓曲線提取、輪廓曲線的光順濾波、曲線的重采樣等輪廓曲線匹配中所要用到的相關方法。
  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. 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。
  18. Authors finished some tests for several ship types in order to promote the development of the lines fairing

    作者對幾種船型作了成功的實驗，希驥以此推動線型光順的發展。
  19. 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。
  20. We must figure out some practicable equations to calculate the hull lines that should be smoothness and fit the real ship lines. these data, which are already exanimated, can be the original data of fluid dynamic calculation and the original data of ship - manufacture

    它要求我們尋求並採用適當的數學表達式，找到某種有效的方法，在滿足設計要求的前提下求出具有實用價值並且光順的船體型線，為水動力計算以及建造施工提供所需要的數據。
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