線矢量 的英文怎麼說

中文拼音 [xiànshǐliáng]
線矢量 英文
line vector
  • : 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...
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. The procedure functions in the compare between partial image of dynamic collection and corresponding image of the airscape. in chapter 5, basing on the analysis of correlative theory of digital image, we introduce the improved fasted - down algorithm and simulative anneal algorithm, which applies to nn calculation, an d bring forward the unique and effective means, correlative original value evaluation. basing on the combination of correlative arithmetic, a stable, high - speed and exact correlative arithmetic is formed, which makes it possible to apply computer vision detection of single - needle quilting in industrial production

    本文展開研究並取得一定成效:構建了基於pci總的微機實時圖像採集系統;在採集的布料總圖(鳥瞰圖)的基礎上,通過數字圖像的數字濾波、圖像增強、邊緣檢測等處理,提取布料圖像的邊緣,對輪廓的化的象素點進行搜索,得到相應的圖案圖,從而確定絎縫的加工軌跡,生成加工指令;在進給加工過程中,主計算機對動態局部圖像與總圖(鳥瞰圖)的對應部分進行圖像相關的匹配計算,應用數字圖像理論,結合神經網路計算的改進最速下降法和模擬退火演算法,提出獨特而有效的相關迭代初始值賦值方法,形成穩定、高速和準確的相關運算,實現單針絎縫視覺測和自動控制。
  2. Adopting the assummation that the quark interaction is the sum of the usual one - gluon direct exchange and the mixture of linear scalar and vector potentials, we structure the relativistic corrections of order v2 / c2to the cornell potential, including the annihilation potential for the quark and antiquark of the same favors which plays the same role with the one - gluon direct exchange at short distances. the effects of the relativistic corrections on the hyperfine splittings of quarkonium states are discussed, and a good fit to the available experimental data is obtained on heavy quarkonium mass spectra

    采納庫侖勢源於單膠子直接交換,而性禁閉源於標的混合,同時考慮在短程區域與單膠子直接交換起同樣作用的同味正反夸克的湮滅,構造了靜態夸克-反夸克勢到v ~ 2 c ~ 2級次的完全相對論修正,並擬合計算了重介子偶素的能譜,討論了相對論修正對重介子偶素能級分裂的作用。
  3. Coplanar line vector

    共面線矢量
  4. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺齒錐齒輪進行齒面幾何分析。根據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系,由的旋轉推導了產形輪齒面方程;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面離散數據,繪制了產形輪和擺齒錐齒輪的三維齒形。
  5. Use the vector dot product to find the obtuse angle between two diagonals of a cube.

    點積求立方體的兩條對角所夾的鈍角。
  6. Research about ctod and its components 8 ", " shows that the direction angle of ctod vector is identical with the fracture angle of void - mode fracture, which is obtained through experiments, and it is also identical with the result got by peak value line of stress triaxiality. besides, 8 i " was compare with vgc as criterion for initiation of void - mode fracture

    對裂紋尖端張開位移ctod及其張開型分~ 1和剪切型分~ 11的分析表明,在試件發生韌窩型斷裂時,按照圓弧裂紋中ctod的垂直方向預測的斷裂角與試驗測得的斷裂角符合較好,與三軸度脊預計的結果也比較一致。
  7. In short, vector data take the simplest topological entities - points, lines, and polygons - and anchor them within a 2 - d cartesian coordinate system to describe geographical features

    簡言之,數據利用最簡單的拓撲實體點、和多邊形,並在二維笛卡爾坐標系統中固定它們來描述地理特徵。
  8. 4. adopt vector frequency converter motor for traction transmission, which can be controlled with invariable line speed

    4牽引傳動採用變頻電機,實現恆定速度控制。
  9. Abstract : in this paper , a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived , such as , the position vector for the incident point , the scalar expression for reflected ray , scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性,導出多光束掃描入射點位置、反射表達式、觀察面上的掃描軌跡方程,並研究了掃描遠場的非對稱性。
  10. Radar echoes include echoes of lands, islands, all kinds of moving targets, racon, sart and sea, etc. arpa marks consist of fixed range marker, variable range marker, electronic bearing line, guard zone, heading - line, parallel index ( 4 navigation lines ), vector lines ( or pad ) and past track information of tracked target ships, marks of trial manoeuvres, ect

    雷達回波包括陸地、島嶼回波,各種活動目標的回波,雷康、 sart回波,海雜波等。 arpa符號包括包括固定距標圈、活動距標圈、電子方位、警戒圈、船首、 pi、已錄取目標的以及歷史航跡(或pad ) 、試操船符號等。
  11. In the process of solving, poles are obtained from recurrent formula, modal vector are obtained from superposition formula not residuary. decoupled equation is derived when vibration source is part correlation, severely coupling appears in the process of input and output then frequency response function cannot directly get according to method mentioned above, decoupling is first problem

    當輸入完全相關時,頻響函數無解,可繞過頻響函數,直接運用性系統的迭加原理來求響應,極點由遞歸公式得出,模態由疊加公式求出,而不是由留數求得的相應的公式。
  12. We presented a novel method of searching for similar fragments of 3d curves, with this method, a hash vector is associated with each fixed - length fragments of 3d sherd. each vector consists of low frequence component of fourier - like spectrum for the distance between profile curve and the centroid

    討論了基於hash和fourier變換的輪廓曲匹配方法,在匹配中不要求一段輪廓與另外一段輪廓完全匹配,而是把它們分成很多子段,再用這些子段來進行匹配。
  13. The design method of system structure and every compositive section is introduced. the graphics edit platform is developed, including edit software of transformer substation ' s diagram and diagram for calculating line - loss, then the method of coding is introduced, especially the transition from diagram to matrix of conductance and susceptance

    開發了本系統的圖形編輯平臺,包括變電站接圖編輯軟體和網損接圖編輯軟體,分別對變電站接圖編輯軟體和網損接圖編輯軟體的實現過程進行了闡述,詳述了從圖表示的電網圖轉化成導納矩陣的過程。
  14. A mathematical model reflecting the tilt rotor unsteady and nonlinear aerodynamic characteristics in the longitudinal channel is presented in the paper. in the full flight envelope, the rotor thrust continues tilting and the aerodynamic forces of each component change as a function of airspeed and nacelle angle

    在整個飛行包內,旋翼的推力方向不斷變化,飛機各部件的氣動力隨發動機短艙傾角和空速的變化而變化,因而飛機的飛行動力學有很強的非定常、非性特性。
  15. Numerical simulations were done to show the distortion of the wavefront and the interference pattern under several kinds of typical plasma density distributions. the ray path in plasma was calculated by the numerical solution of the vector equation of light ray, when the plasma density was closing to the critical electron density of the laser frequency. through the simulations, the factors that influence the measurement were found out under different density distributions and shapes of plasma

    在此基礎上,採用數值模擬的方法,計算了在幾種典型的等離子體密度分佈下,激光波面的變化和產生的干涉圖樣;並用光線矢量微分方程的數值解法計算了當等離子體密度接近光頻臨界電子密度時,光在等離子體中的傳播路徑,從中掌握了在不同的等離子體密度和形狀下,進行干涉測所應估計到的因素。
  16. A linear theory of rbwo with inner - slot coaxial structure is analyzed detailedly, and the equation of dispersive relation is deduced and computered numerically. 4. particle simulation is used in rbwo respective with coaxial and partial structure. in the simulation, the output parameters of rbwo such as phasespace, contour, vector, voltage, current, output power, interaction efficiency and microwave radiation

    4 .對同軸和偏心返波管分別進行了粒子模擬,通過改變電壓、電流、電子注位置、磁場等參數來觀察返波管加了內開槽前後相位空間、等位、電壓、電流、輸出功率、工作頻率的變化。
  17. 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,使用輪廓跟蹤演算法和dpl多邊形近似方法實現等高數據的轉換;並基於等高線矢量數據建立不規則三角網,再內插格網生成dem點陣數據。
  18. Based on the maximal independent line vectors for different geometrical conditions and the kinematics principle, seven singularity types of 3 - 6 stewart manipulator are analyzed and derived, including geometrical and kinematic properties in the singular configurations of these types

    根據線矢量性相關性和奇異的運動學原理,分析和確定了3 - 6stewart機構奇異的7種類型及其各種類型情況下奇異的幾何和運動性質。
  19. According to the structure and characteristic of contour vector data, this paper has put forward some algorithm, which is very useful to check the contour data quality. a practical system of checking the contour data has been developed. it includes some function blocks, such as algorithm of checking bar codes, graphic roaming, zooming in, zooming out, editing and modifying, and the quality checking and evaluating

    針對等高線矢量數據的結構和特點,提出一套實用性較強的等高數據質檢查的演算法,並建立了一個實用的等高數據檢查系統,其中包括條形碼檢查演算法、圖形漫遊、放大、縮小、的編輯修改、等高的檢查賦值等功能模塊: 2
  20. For example, well computer drawing ' s back grids and well curves intercross frequently, and their gray are near. at the same time, grids are skimble - scamble, and so on. we introduce a new vectorization model - “ progressive - simplification based vectorization model ” and bring forward a layered - tracing vectorization method for curves

    例如:測井解釋成果圖的背景網格與曲頻繁交叉、灰度相近,網格尺寸不固定等,提出了基於逐步簡化的化模型,對圖紙進行分層次跟蹤的曲線矢量化方法。
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