割線方法 的英文怎麼說

中文拼音 [gēxiànfāngfǎ]
割線方法 英文
secant method
  • 割 : 動詞（截斷） cut; mow
  • 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...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  1. A new method on seeking asymptote is given by applying the relation between secant and asymptote, this method is helpful to train creativity of students

    摘要利用曲線割線的極限得到曲線的漸近線，給出了求漸近線的一種新方法。這種方法直觀性強，有助於培養學生的創新能力。
  2. 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，提出了基於射線的島嶼關系自動判斷和區域加工單元的自動分割方法，有效、快速地判斷了平面任意封閉輪廓線之間的關系，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。
  3. To ensure the security of gi inspection, no approving method has been developed by far to drive the capsule endoscope but utilizing the natural peristalsis of gi tract. the uncontrollability of the capsule endoscope brings on some limitations in its functional extension in inspection, medication and surgery, such as temperature and ph measuring, medicament spraying, sampling, on - line sample analyzing, laser incising and rf cauterizing

    膠囊內窺鏡目前還沒有實用的主動驅動方法，只能利用消化道自然蠕動作為膠囊內窺鏡前進的動力。由於膠囊內窺鏡不可控，限制了它的功能擴展，比如壓縮空氣噴藥、吸取組織樣品、在線樣品分析、激光切割、射頻燒灼等。完善的膠囊內窺鏡系統需要在現有基礎上加入安全有效的驅動控制，可調整姿態、行進及定位，從而擴大膠囊內鏡檢查的適應癥、安全性與多功能性。
  4. Conic sections get their names because they take the shapes of the cross sections of a cone

    我們稱這四種形狀為圓錐截線，是由於以不同方法切割圓錐體，便可以得到這些形狀。
  5. 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轉軸線，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輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  6. Geodesic active contour model ( gacm ) was originally proposed by caselles as a novel approach for image segmentation and object exaction

    短程線主動輪廓模型（ geodesicactivecontourmodel ）是一種全新的圖像分割和目標提取方法，由caselles等人首先提出。
  7. This paper introduces a typical nonlinear dynamics technique, based on the fractal geometry to achieve quantitative description and automatic analysis of wear particles generated between running friction parts inside diesel locomotive, discusses the model and algorithms of fractus calculation of wear particles, and finally gives the correspondent experimental results, in which wear particle ' s automatic recognition is finished by means of the cooperation of fractal geometry and artificial neural network

    本文引入分形幾何這種非線性系統方法來完成對磨粒的定量描述和自動分析，給出分維數演算法模型及相應實驗結果，並結合人工神經網路來完成磨粒的分割與自動識別。
  8. Base flow separation from daily flow hydrograph using automated techniques

    流量過程線的自動分割方法探討
  9. Optimal linear combination for segmentation of leukocyte images

    白細胞圖像的最優線性組合分割方法
  10. An asynchronous parallel algorithm about the secant method for solving nonlinear systems of equations

    一個用割線法求解非線性方程組的異步并行演算法
  11. A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation

    摘要提出利用相鄰波峰和波谷之間距離估計阻尼比的割線方法。
  12. In recent years, electric - discharge machining, including spark erosion with traveling wire electrodes, has become a very important method of machine operations for heat treated steel without sulfur

    近年來，放電加工，包括線切割加工己成為無硫鋼經熱處理后的一種很重要的加工方法
  13. On the basis of image segmentation, this thesis mainly discusses the algorithm of automatic target tracking in sequence images on the sea. firstly, in terms of the characteristics of image on the sea, such as weak contrast between target and background, borderline between sky and sea, spoondrift and so on, a method called barycenter tracking which is based on intra - frame information from the sequence images is proposed, in which the threshold method is the key algorithm

    在圖象分割演算法研究的基礎上，本文重點從兩方面討論了海上序列圖象中運動目標的自動跟蹤演算法:首先，針對海上圖象的特點，即背景與目標間的弱對比度、存在海天線、魚鱗光和目標拖尾等，設計了以閾值分割為核心的基於幀內信息的形心跟蹤方法。
  14. These properties make them ideal candidates for use in structure from motion algorithms. some known methods of line segment are integrated and an improved method is given. canny edge detector is used in this method to get edge, link the edge using freeman chain code, and then gradually delete useless chain code

    首先綜合邊緣直線分割的研究成果，給出了改進后的邊緣直線分割方法，該方法以圖像邊緣的鏈碼表示為基礎，逐步刪除對完成計算機視覺任務沒有意義的鏈碼，並用最小二乘法擬合成圖像直線。
  15. Visualization and computer graphics, 2005, 11 : 529 - 539. 20 ricci a. a constructive geometry for computer graphics

    而傳統的方法，一般關注于相交曲線的評價，再以此分割物體以便進行組合。
  16. This dissertation deals with the content - based image retrieval ( cbir ) theory and technique ; some new features and tools for more concisely and discriminatingly charactering the content of an image are proposed, such as region - based color histogram, grey - primitive co - occurrence matrix, ratio of centripetal moment, ratio of eccentric moment and ratio of inertial moment. a new modified genetic algorithm is also described in this dissertation, which can upgrade the performance of standard genetic algorithm ( sga ) while used in image segmentation

    本文以圖像數據庫檢索為主線，討論了基於視覺內容的圖像檢索方法，提出包括基於區域顏色直方圖、灰度?基元共生矩陣及向心矩比、偏心矩比、慣性矩比的特徵描述方式；對遺傳演算法存在的早熟、收斂到最優解慢等問題提出了解決方法，並將改進遺傳演算法應用到圖像分割中，編制了相應程序。
  17. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度圖像的特點，採用非線性對比度增強處理改善顆粒顯微圖像的對比度；對多種閾值分割方法進行比較，分析了它們的性能和用於粒度圖像的適用性，在此基礎上提出了一種基於梯度圖像的動態閾值分割方法；對獲取的顆粒二值圖像進行形態濾波和空洞填充，設計了識別演算法去除凝聚體；對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法；提取了周長、面積、粒徑、復雜度、最長feret徑、最短feret徑等大小和形狀特徵參數，對珍珠粉等粉體粒度進行了測量。
  18. Image segmentation based on variational contours method

    基於變分等值線方法的圖像分割技術
  19. Secondly, for reconnecting gaps in contour lines, linear features extracted from the gray version of the input color map are utilized to repair the contour lines segments extracted from the input color map. unlike the existing methods, it analyses various reasons inducing gaps in contour lines and introduces corresponding solutions for different cases of gaps

    第二，針對分割結果中等高線斷裂的現象，融合線狀符號灰度分割的方法來改善彩色分割結果;和現有方法不同的是，本文不僅詳細分析了造成等高線斷裂的各種原因，而且有針對性地採用相應的方法連接這些斷裂。
  20. Firstly, reliability models of different element are built in the paper. secondly, the reliability parameters of virtual series element on the main feeders are computed by series equivalent method. lastly, indices of different load points are calculated by the method of minimal cut - set

    文中首先建立了不同元件的可靠性模型，其次通過串聯等值法求取各主饋線上的虛擬串聯等值元件的可靠性參數，最後應用最小割集方法計算各負荷點指標，從而得到系統各項可靠性指標。
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