轉輪輪廓線 的英文怎麼說

中文拼音 [zhuǎnlúnlúnkuòxiàn]
轉輪輪廓線 英文
runner outline
  • : 轉構詞成分。
  • : 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...
  • 轉輪 : reel; [機械工程] runner轉輪手槍 revolver
  • 輪廓 : outline; line; lineament; contour profile; rough sketch
  1. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面,採用二次規劃方法提取拉伸方向和旋,然後將數據點投影以獲取草圖數據,通過柵格劃分提取草圖邊界數據,再對這些邊界數據進行基於特徵點的分割,以直和圓弧段擬合出草圖
  2. First, the wheelset is fixed and rotated by the device used hi vehicle depot as usual. second, the center line of wheelset axis is determined by a device called axis - center probe. last, the acting device for sensor can draw a whole felloe profile, which is made up of parallel - pole device and rotating - probe

    鑒於此,本文給出了一種全新的測量方案:採用車輛段普遍使用的器實現被測對的定位;採用車軸基準探尺測定被測對的軸;採用並聯式伸縮機構和旋測頭作為傳感器的執行機構,測定輞斷面的
  3. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航(等傾角螺旋)槽形,可以大幅度改善燃燒室的冷卻性能.斜航冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母體外表面上的斜航數控加工程序.燃燒室收斂-擴張段的母斜率變化大,加工難度大,是斜航冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  4. Bright areas reveal undeflected or stationary nodal regions while contour lines trace out areas of constant vibrational amplitude.

    亮區表示未受偏的或穩定的波節區而則描繪出等振幅的區域。
  5. The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall

    論文通過分析國內外變曲率回體壁厚測量的現狀,提出了雙測頭接觸式測量方案:通過構造理論,建立鉸鏈中心的運動曲,使鉸鏈中心始終沿運動曲運動,以保證固定觸頭與傳感器測頭的連始終在內壁法方向上,從而傳感器測頭所得的數值即為壁厚值,該方案經模擬測試實驗取得了預期效果。
  6. In this paper, we designed the structure of the gear and rack in this actuating mechanism, elaborated the theory of its formation, and deduced the profile function and gearing function of the gear and rack. furthermore, we deduced the inherent radius of going around a turn under certain circumstance, the condition of the correct gearing and the continuous transmission. in order to make the mechanism move steady, we designed the derivation mechanism and manufacture the modle

    本文對該傳動機構中的漸開柱齒鼓形齒和空間齒條的結構進行了設計,並給出了齒和齒條的成型原理,推導出了漸開柱齒鼓形齒和空間齒條的齒參數方程、嚙合方程;進一步分析並確定了漸開柱齒鼓形齒、空間齒條在給定嚙合傳動條件下所能實現的固有彎半徑和運動約束條件,並對其側隙及效率進行了計算和分析。
  7. According to the tappet displacement curve, the design of cam profile can be carried out by " reversal method " theory

    根據得到的挺柱升程曲,利用「反法」的原理進行凸的設計。
  8. The contact freeform surface meaurement system the authors are developing is introduced in this paper, it is the application of cmm in the reverse engineering of part. the components of its software and hardware are analyed. under the circumstances of cad modelis unknown, somecirtical problems are studied such as the measurement points adaptive localization, the measurement path, layout and measurement data disoposal etc. based on measuring the curved surface of the cam, the scaning software have be designed in measuring the curved surface in cmm. the cmm ' s data can transfer to cad / cam system

    分析了其軟硬體的組成,並對在cad模型未知的情況下,測量系統軟體中的一些關鍵技術,如測點的自適應分佈、測量路徑的規劃和測量數據的處理方法等作了研究。並以凸為例,編制了相應的曲掃描軟體,並使三坐標測量機的測量數據換為cad cam能接受的圖形信息格式。
  9. The theoretic contour line and actual contour line of compensatory cam was ascertained with " reversal method "

    利用「反法」 ,確定了補償凸的理論及實際
  10. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中,提出了採用動態確定邊界條件,通過對離散采樣點的三次樣條插值曲的擬合恢復束斑x和y方向的,本系統既能準確客觀地描述電子束,又能夠準確快速地測量電子束著屏誤差等多種參數,為cpt電子槍和偏系統的性能改進與解析度的提高提供了有力的測試分析和研究手段。
  11. Some new features such as ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment are introduced in this dissertation. these features have the properties of scale - invariance -, rotation - invariance and translation - invariance, and can be used well in depicting the linearized outline object

    本文提出向心矩比、偏心矩比、慣性矩比概念,對性化后的應用本文方法,既能較好地描述圖像目標,又具有旋、平移和尺度不變性。
  12. 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,提出了一種針對旋對稱型目標的旋對稱單元判定、旋中心提取的演算法;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。
  13. Thirdly, it utilizes line tracking and douglas - peucker line - simplification algorithm to realize the raster - to - vector conversion. a triangulated irregular network ( tin ) is constructed based on vector data, and dem point - array data is computed by interpolating grid on tin

    第三,使用跟蹤演算法和dpl多邊形近似方法實現等高數據的矢量換;並基於等高矢量數據建立不規則三角網,再內插格網生成dem點陣數據。
  14. Information technology - international standardized profile ra - relaying the connectionless - mode network service - definition of profile ra51. 1121, relaying the connectionless - mode network service between csma cd lan subnetworks and psdns using virtual calls over a digital data circuit csdn leased line permanent access

    信息技術.國際標準華ra .接無連接方式的網路服務.第9部分: ra51 . 1121的定義.數字數據電路csdn租用的路固定訪問的虛擬呼叫接csma cd lan子網與psdns間的無連接方式的網路服務
  15. On the basis of relationship between meshing rigidity and noise and taking the modification, vibration deduction and noise dropping as the aims, the tooth profile modification was carried out on spur bevel gar by the use of revolving involute curve

    摘要根據嚙合剛度和噪聲之間的關系,以修形減振降噪為目的,用旋漸開對直齒錐齒進行齒修形。
  16. 2. we introduced a new polygon periodic discrete curvature function based on curve continue curvature concept in 2d contour matching, the periodic discrete curvature has local, rotation and translation invariant. applying efficient techniques to find the proper matching substrings, we also applied the hashing technique to find long matching substrings

    周期性離散曲率函數具有和原有曲率相似的位移、旋、縮放等特性,為提高匹配的準確度,利用高斯函數進行平滑處理,取得了較好的結果,同時該方法具有直觀、速度快等優點,在2d的匹配中,具有實用可靠的用途。
  17. Based on the established theories, the dcss or css image for a given contour curve is transformed into a tree organization, and then corners on the curve are detected in a multiscale sense

    基於所建立的理論,可以將給定的dcss圖象或css圖象化為一種樹形結構圖,並據此檢測曲上的角點。
  18. The paper analyzed the struture of the tri - eccentric butterfly vavle at length, defined the tri - eccentric butterfly valve, educed the geometry function and its characteristic about the section of the butterfly disc. the results indicate : the parallel contour line across butterfly disc thickness is normal ellipse, thereby eslablished function relations between its geometry parameters ( long axis and short axis ) of three primary sections of the butterfly disc and the tri - eccentricity ; in order to avoid interference between the butterfly disc and the valve seat as well as the valve body, combining the torque, we obtained the feasible range about the rotation center of the tri - eccentric butterfly vavle

    本文主要分析了三偏心蝶閥的結構,給出了三偏心的定義,推導出了蝶板截面的幾何方程及其性質,結果表明,沿蝶板厚度的平行截面為標準的橢圓形,進而推導出了蝶板幾個主要截面的幾何參數(長軸、短軸)與三個偏心之間的函數關系;考慮到蝶板啟閉過程中避免與閥體及閥座發生干涉,結合蝶板的啟閉扭矩,確立了三偏心蝶閥回中心的適宜區域。
  19. The new ideas of this dissertation mainly lie in two points. based on the research on the traditional edge tracing techniques, this dissertation presents an improved method according to lml rule. at the same time, studying the polygonal approximation methods, this dissertation also presents an improved and based on mergence method to image contour, and implements the transform of the contour from image to graphics preferably

    本文的主要創新點在於:在研究傳統跟蹤技術? ? 「爬蟲」法的基礎上,提出了基於lml規則的改進的跟蹤方法;同時,研究了多邊形擬合法,提出了基於聚合的改進的多邊形擬合物體圖象方法,較好地實現了對邊緣的從圖象到圖形的換。
  20. First the object contour is translated into a 1 - d contour curve. secondly the curve is smoothed to restrain the noise. the number of peaks of the curve is achieved as well as the areas which contained between adjacent peak - valley, then the latter is followed by discrete fourier transformation ( dft )

    首先將目標換成一維,平滑去噪,然後獲得曲峰數和在相鄰峰谷間所含面積,並對後者進行dft變換,提取出具有平移、旋、尺度不變性的兩類特徵。
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