輪廓元線 的英文怎麼說

中文拼音 [lúnkuòyuánxiàn]
輪廓元線 英文
contour elemnet
  • : Ⅰ名1 (輪子) wheel 2 (像輪子的東西) wheel like object; ring; disc 3 (輪船) steamer; steamboa...
  • : Ⅰ形容詞(廣闊) wide; extensive Ⅱ名詞(物體的外緣) outline
  • : 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...
  • 輪廓 : outline; line; lineament; contour profile; rough sketch
  1. We put forward an algorithm for self - discrimination of island relation and an automatic intersected method of the region machining unit, which can judge the relationship among any plane obturate contour line effectively and swiftly. we also study the tool path generation technology of two - dimensional machining, basso - relievo machining, three - dimensional lifting - pen machining. meanwhile, we put forward an optimize approach of tool path, which improve the efficiency of engraving

    研究了圖像的刀具路徑生成技術與軌跡規劃問題,提出了基於射的島嶼關系自動判斷和區域加工單的自動分割方法,有效、快速地判斷了平面任意封閉之間的關系,研究了平面任意區域填充加工、浮雕加工、三維提筆加工的刀具路徑生成的技術,提出了刀具路徑優化方法,提高了雕刻加工的質量和效率。
  2. Solving the wire loop profile for which nonlinearity mainly caused by plastic - elastic forming is a challenging work, a finite element model has been proposed to simulate the wire loop profiling, in which beam23 has been selected as calculating unit, and the trajectory of capillary is divided into many displacement loads and applied on the wire step by step

    摘要針對引成形過程中的材料非性和幾何非性問題,選用塑性變形梁beam23單建立有限模型,通過時引分階段分步施加位移載荷模擬鍵合頭的運動軌跡,求解得到相應的引形狀。
  3. In the section of fabricating technology, i first discuss the ion beam technology. through the analysis of the effects of each parameter on the surface smoothness, profile fidelity and linewidth resolution in the process of ion etching, the suitable angle of incident ion beam, ion energy, density of ion beam and time of etching are selected combining the actual status of the mask

    在製作工藝的研究方面,首先研究了離子束刻蝕技術,通過對離子束刻蝕過程中各個參數對刻蝕件的表面光潔度、保真度和寬分辨的影響分析,結合掩膜的實際情況選擇出了合適的離子束入射角、離子能量、束流密度和刻蝕時間等參數。
  4. Place is the permanent brand of architecture and place creation is always the research project of architects with the development of the age , place ? ? the end results of human material culture and spirit culture ? ? undergoes storm and stress but the real meaning of place still has clear and precise line of thoughts human 、 building 、 scenes ? ? poetic independent existing space space creation ? ? expresses and shows the real meaning of place , interlaces the changing objective and positive multiple affirmation and negation but the road of research is still continuing : seeking the new idea unanimous with the age human 、 building 、 scenes answers the place , multi - dimensional system answers place creation the twenty - first century is the age of variety , after discovering the complex phenomena , research the age nature of place ? ? obscurity , attempt new idea of creation : obscure edge through bluring the edge of building and city , break the separating condition of building and city , unify the urban structure actively , propel the union of building and city through openning design ; through bluring the edge of building and environment , break the condition that environment attaches to building , make landscape design become natural , and combine them into ecologic scene of building and multiple experence of scene : through bluring the edge of building and universe , break the rational outline of building , create multi - dimensional sensational edge of shape , make building become an earth scene , just like the mirage of flourishing city , and prompt to exploit underground space

    人、建築、場景解讀了場所,多維的系統解讀了場所創作。二十一世紀是多化的時代,在揭開紛繁交錯的現象面紗之後,探索場所的時代屬性? ?模糊性,嘗試新的創作理念:模糊邊緣。試圖通過模糊建築與城市的邊緣,打破建築與城市的分離狀態,動態整合城市肌理,以開放型的設計推動建築城市一體化;通過模糊建築與環境的邊緣,打破環境是建築之外附屬的狀態,使環境景觀設計自然而然化,並將二者融合形成綠色生態的建築場景與多層次的景觀體驗;通過模糊建築與天地的邊緣,打破建築理性的邊緣,塑造多維感性邊緣的形體,使建築成為一種大地景觀,猶如繁華都市裡的海市蜃樓,並同時帶動了地下空間的探索。
  5. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    ( 3 )深入分析了2d對稱性目標透視成像的幾何特點,將共點四交比用於目標上的關鍵點的特性描述中;利用調和共軛關系,提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法;利用交比關系構造了目標的形心不變量,提出了一種針對旋轉對稱型目標的旋轉對稱單判定、旋轉中心提取的演算法;進一步利用3d不變量和2d射影變換,實現了一定條件下的對稱性目標的形狀恢復技術。
  6. In order to improve the ability of aspheric optics manufacturing, a new cnc machine named asm is developed by ciomp, and its numeric control system is presents in this dissertation. the new machine has ability to fabricate off - axis " mirrors up to lm dimension, and the accuracy can reach up to 1 / 50xrms ( a. = 632. 8nm )

    此外,文中還對新研製的六軸聯動「 asm數控非球面加工中心」的控制系統進行了介紹,並專門介紹了加工中心在測量單中測量誤差的補償模型,以及與加工中心配套的控制軟體asm1 . 0的編制情況。
  7. Profile curves of a rounding surface are calculated along a feature line with a given radius. then inner elements of a rounding mesh is created with these profile curves, and sewn with the original mesh which is pre - trimmed. a feature - based mesh modification method is proposed for existing rounding feature

    給定圓角半徑,計算出沿特徵圓角曲面的截面,以的六等分點為節點生成圓角區域單,並與剪裁后的基網格面縫合,從而生成沿特徵的圓角曲面網格。
  8. The one - step method is used to calculate the original curve. this method can get original blank curve directly from part shape and compute very fast

    而用於優化的初始,本文採用的是有限逆演算法,即一步演算法求得,該方法由最終零件形狀直接計算出初始板料,計算速度快。
  9. A scale coefficient method based on the fem has been proposed to predict the optimum blank in sheet metal forming in this thesis. in order to improve the precision of results and reduce iterate time, at adjusting the original curve, this method is n ' t giving the same adjustment, but giving the corresponding adjustment based on calculation of scale coefficient and shape error of each node to the curve

    本文在有限模擬的基礎上提出了一種新的板料優化的方法? ?比例因子法,該方法在調整初始時,不是給各個節點一個相同的調整量,而是依各個節點的比例因子及形狀誤差值計算出相應的調整量,這樣調整的針對性強,計算結果更精確,需要迭代的時間也更少。
  10. Firstly, based on research of the asymmetric involute gear cutter and the gearing theories, the universal tooth flank curve equations of asymmetric gear with two pressure angles and the tooth transmission curve are derived by the gear shape nomal method, then the fea model of asymmetric involute gear with main parameters is automatically generated with ansys parametric design language ( apdl )

    本文首先建立非對稱漸開刀具的方程,根據齒形法法建立非對稱漸開的齒方程,並利用apdl參數化建模語言建立全參數的非對稱漸開有限模型。討論了非對稱漸開的嚙合特性,對非對稱漸開傳動特點作了詳細的分析。
  11. Simulation result shows our approach can highly improve the connectivity and the accuracy of the image boundaries quickly and easily. ideally, the methods discussed in the previous section should yield pixels lying only on edges. edge connection is an important post - process technique of image edge extraction and image segmentation

    完成邊緣點的檢測后,為了得到能夠表現物體基的邊緣鏈,我們需要進行邊緣連接的工作? ?將邊緣點連接成有意義的直或曲段,得到物體外部的閉合,進行圖像分割。
  12. In this thesis it was proposed to simulate the drawing, trimming, flanging by using error - adjustment method. the initial trimming lines would be adjusted and optimized in the computer by adjusting error. if the shape error between the flanging boundary line and the target is larger than prescribed, the redundant area is subtracted from the initial blank by some amount of volume along the deformation path, and the insufficient volumes are added to the initial blank by the same amount

    本文提出,利用基於變形路徑的誤差修正法( error - adjustment ) ,結合cae技術將對初始修邊的調試過程在計算機中進行模擬(包括拉延、修邊、翻邊、整形等)計算,通過控制翻邊后零件成型邊界與實際目標之間的尺寸誤差來優化修邊,如果初始切邊、翻邊后的與目標體的邊界存在較大偏差,則初始切邊中多餘部分單將沿其變形路徑以相同體積量被切除,不足部分則沿其變形路徑以相同體積進行補償。
  13. A method based on differential operators is presented for treating sophisticated contours. the algorithm of extracting directional contours from segmented images is also discussed. semi - automatic scheme is proposed

    我們提出了一種新方法,它利用邊界微分運算來盡量在自動分類過程中保留圖像特徵,還討論了的定向提取技術。
  14. Tooth profile design for and finite element analysis of asymmetrical involute spur gears

    非對稱漸開直齒設計與有限分析
  15. For the special case one of original equations contains only two unknowns, these two variables can be sampled firstly, and then introduced into the other two 3 - variable equations. the real solutions obtained are spread along the cylindrical contour curve, so that a two dimensional graph which is easy to observe is generated. the corresponding spatial points of intersection are found through the points of intersection of the two curves in this graph

    對于方程組中有一個二方程的特殊情況,還可首先給該二賦值,然後代入另外兩個三方程,將求得的實數解沿該二方程的柱面展開,得到便於觀察的二維圖形,通過該兩條交的交點找到其相應的空間交點。
  16. This paper describes the conjunction relationship of the basic point of the flat surface outline on the parts and reveals the internal law of the intersections connecting with the typical curve ; the principle of the calculation and the characteristics on straight line to parabola basic points are illustrated

    摘要介紹了平面零件各組成素之間的連接關系,並揭示了典型曲交接的內在規律,闡述了直與拋物交接點的計算原理和特點,總結歸納直與拋物連接的處理方法,以及自動淘汰無效基點的基本準則。
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