線段 的英文怎麼說

中文拼音 [xiànduàn]
線段 英文
[數學] segment; line segment
  • 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...
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  1. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數的優點，故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓弧、橢圓弧等二次曲線以及心臟線、雙紐線等超越曲線。特別地， 3次均勻t - b樣條曲線曲面比同階均勻b樣條（ c - b樣條）曲線曲面具有更高的光滑度。
  2. ( 4 ) the instability problem of the columniation supporting was solved in the construction of side - span. ( 5 ) the circle - steel nip - patch anchor was applied for the thread - snap of the prestressed crude steel wire, the double facility anchor was used for deeling with the slip - wire of steel wring

    （ 4 ）在邊跨直線段施工中，採用一端設立柱另一端吊掛在已合攏梁段上的梁式膺架，解決了支柱支承在古錯落體上的不穩定問題。
  3. First, the geometric properties of the sum of the segments in the complex plane are proved, based on which, the robust problem is interpreted as a special point location problem of computing geometry

    -穩定性問題。證明了在復平面上多個線段和的幾何性質。在此基礎上，將魯棒問題轉化為計算幾何中的點定位問題。
  4. In computer graphics, a directed line segment

    在計算機制圖學中，一種有方向的線段。
  5. Display mode high brightness led digital display

    顯示方式7線段led數字表示4位2
  6. If a straight line falling on two straight lines makes the interior angles on the same side less than two right angles, the two straight lines, if produced indefinitely, meet on that side on which are the angles less than the two right angles

    如果一條線段與兩條直線相交，在某一側的內角和小於兩直角，那麼這兩條直線在不斷延伸后，會在內角和小於兩直角的一側相交。
  7. The establishment of local cerebral infarction model in rats by injecting the silk segment into internal carotid artery

    經頸內動脈內注入真絲線段建立大鼠局灶性腦梗死模型
  8. His plan is to drop perpendiculars from each point of the curve upon two planes intersecting at right angles.

    他的計劃是：從曲線的每個點處作線段垂直於兩個互相垂直的平面。
  9. The new line against polygon window clipping algorithm which makes full use of two judgement conditions to confirm noneffective intersections between the lines and the polygon edges can only calculate the effective intersections and increases the efficiency of the clipping. third, a new 3 - d clipping algorithm of line against spherical surface window is introduced for the first time

    一般多邊形窗口線裁剪的改進演算法充分利用確定被裁線段與多邊形邊無交的兩個判斷條件，對完全不可見線段以及與被裁線段無有效交點的多邊形邊進行了排除，只有當線段與多邊形邊有有效交點時才求交，避免了不必要的求交，提高了演算法效率。
  10. Any continuous curve can be closely approximated by a series of small parabolic segments.

    任一連續曲線可以借一系列很小的拋物線線段較精密地近似表示。
  11. Among segments obtained by pgm, some belong to the real roads, some are false responses, there are still many parts of the roads remain undetected

    由於sar圖像中各種干擾的作用，相位編組得到的線段是斷續的，而且仍然存在著大量的虛假目標。
  12. Therefore, we use pgm grouping road candidates to line segments and delineating segments instead of candidates. a new approach is proposed to cut off the huge computation of pgm by making a prejudgment using direction attribute of candidates

    相位編組方法能夠將相鄰的且屬性相似的單元進行編組，所以，文中利用了相位編組的方法將基元組織為線段，並對得到的線段進行特徵描述。
  13. A new fractal - based infrared image feature extraction method is presented and the detailed theoretic analysis and implement procedure of this algorithm is submitted and tested in some experiments. with the limitation of the line detection based on traditional hough transform that the information of the length and the end points of the line is unavailable, a new algorithm which makes use of the accessional strategy based on precognition information is put forward to meet the demand for more information of the line, simulation results show this method is effective. finally, the whole process of airport target recognition is presented and the result images are also given

    使用分形方法提取目標的特徵，在知識指導下，提出了一種基於目標特徵模型的降維的形態學分形維數計算方法，對傳統分形方法進行了改進，從理論上推證了演算法的合理性，並對演算法進行了模擬分析；針對傳統hough變換無法獲得線段端點和長度信息的局限性，提出了一種基於目標特徵先驗知識的hough變換融合策略，通過引入目標先驗知識，可以有效地獲得直線信息；對信息多而復雜的機場目標採用基於知識的目標識別方法，使用置信度模摘要型實現不確定推理，對目標進行識別判斷，將知識貫穿于整個識別過程中，對目標進行了有效地識別。
  14. Ent rance curve

    進口曲線段
  15. The detailed works are as follows : the finding patterns problems in the time - series data sequence are described, and a new trend logic expression method is introduced, and its algorithm and experiment result of algorithm are given ; time - scries data are disposed, and using the arctg. slope of line as the sample of pattern recognition, so ignoring the aberrance of pattern in the classified. in addition, a new time - series pattern finding algorithm based on higher - order neural network is put forward

    同時給出了本文的具體的工作，主要是：對在時序數據序列中發現模式問題進行了描述，並介紹了一種新的趨勢邏輯表示方法，給出了其演算法及演算法的實驗結果；對時序數據進行處理，提出了利用線段的斜率反正切值作為模式識別的樣本，從而在分類時忽略模式的畸變；另外，還提出了一個新的基於高階神經網路的時序模式發現演算法。
  16. With straightedge and compasses, divide a segment of a into 2 parts.

    用直尺和圓規把線段a分成兩部分。
  17. Paper gives out an algorithm for seeking the set of intersection intervals. by it, the i - collede algor ithm is reduced to o ( nlogn )

    其中，提出了一種求相交線段集的演算法，把原i ? collde演算法時間復雜度降為o （ nlogn ） 。
  18. ( 3 ) based on a close research of the cad model representation in mdt, this paper picks up the model information expressed in the boundary representation ( b - rep ) using the development kits of objectarx and mdt api offered by autodesk inc. ( 4 ) the direct slicing data are processed so as to realize the sorting and fitting of short lines, the cutting tool compensation, the layer contour filling and the optimization of the scanning paths, etc. ( 5 ) designs the architecture of rp data processing software according to the functional requirement of rp, and integrates all the functional modules

    （ 3 ）在深入研究mdt （ mechanicaldesktop ）中三維模型表示方法的基礎上，運用autodesk公司提供的mdt二次開發工具objectarx和mdtapi ，成功地實現了對mdt模型信息的提取，進而使直接自適應分層演算法得以實現。 （ 4 ）對直接分層得到的數據進行了工藝規劃。實現了對層片輪廓線段的排序、擬合、刀具補償以及輪廓內部填充和掃描路徑優化等。
  19. A new 2 - d line clipping algorithm

    二維線段裁剪新演算法
  20. Specifies how to join consecutive line or curve segments in a figure subpath contained in a

    指定如何在圖形（子路徑）中聯接連續的直線或曲線段，該圖形（子路徑）包含在
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