曲線光滑 的英文怎麼說

中文拼音 [qūxiànguānggǔ]
曲線光滑 英文
fairing of curve
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 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...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 滑 : Ⅰ形容詞1 （光滑; 滑溜） slippery; smooth 2 （油滑; 狡詐） cunning; crafty; slippery Ⅱ動詞（貼著物...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  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. Comparing with the neutral cave on the smooth plane that was thumb - like and opened at the bottom, the neutral caves on the plane with single roughness elements were closed circles. with the growing of roughness element s height, the closed circle became smaller

    實驗中發現與光滑平板邊界層的下端開放式的拇指型中性曲線相比較，有粗糙元平板的中性曲線為封閉式的環形曲線，隨著粗糙元高度的進一步增加中性曲線收縮為更小的閉合環。
  3. The second order regressive polynomial was determined by the curve and the value of ctod was estimated furthermore

    可以使一組沒有規律的數據，成為一條光滑的曲線。
  4. The experimental results show that the gained curve using our algorithm is smooth and can capture original curve ' s character, remove the noise, represent drawer ' s intention. moreover, the points are relatively fewer that confirm the principal curve. all these suggested the practicality of the adaptive method in this paper

    通過大量的試驗證明，本文提供的演算法得到的主曲線能抓住原徒手畫曲線的特徵，光滑流暢，去除了原曲線的噪聲，反應繪圖的願望，並且確定該主曲線的數據點較少，充分體現了本文徒手畫曲線自適應方法的實用性。
  5. Morphing is the continuous smooth and natural transformation of a source object into a target object, where the object can be a numerical image, curve, surface, mesh, etc. morphing has very wide use in many areas, such as computer graphics, animation design, industrial modeling, science computation visualization, film stunt, etc. this paper makes researches on the morph of compatible planar triangulations and that of planar polygons, and the main results are as follows : 1 ) morph of compatible planar triangulations : this paper presents a convexity - preserving method for morphing compatible planar triangulations with different convex boundaries

    變形，是指從初始物體到目標物體的連續、光滑、自然的過渡（這里的物體可以是數字圖像、曲線、曲面、網格等） 。變形在許多領域有著十分廣泛的應用，如計算機圖形學、動畫設計、工業造型、科學計算可視化、電影特技等。本文對同構平面三角網格的變形和平面多邊形的變形進行了研究，主要的研究結果如下： 1 ）同構平面三角網格的變形：提出了具有不同凸邊界的同構平面三角網格的保凸變形方法。
  6. The stability of cauchy singular integral when the integral curve has a smooth perturbation is discussed in our first partition ; we apply some results of the first partition to the second partition and solve the stability of the solution to the cauchy singular integral equation. finally, on the basis of the stability of the cauchy type integral, we study the stability of the solution to the riemann boundary value problem when the contour perturbs smoothly

    在第一部分中，我們主要討論了cauchy奇異積分在積分曲線發生光滑擾動時的穩定性問題；而在第二部分中，我們把第一部分的結果應用到cauchy奇異積分方程，導出了其關于積分曲線攝動的穩定性的研究及其一些結果；最後，在第三部分中，我們在研究cauchy型積分關于積分曲線的穩定性問題的基礎上，探討了riemann邊值問題的穩定性問題。
  7. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論，在非線性磁場計算中：採用迭代法的情況下，在各迭代循環之間進行磁導率修正時，一個欠鬆弛迭代過程是必需的；對永磁體中的等效電流修正時可以不作欠鬆弛迭代；在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值，會使得插值求出的磁導率在該磁飽和值附近有一突變，這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中，由於微波管磁路比較復雜，作者認為磁體的工作點並不能很好地反映磁體的工作狀態，而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況；要表示磁系統設計好壞的程度，則用磁能利用的效率為標準更好。
  8. In auto smooth method, we use the curvature and depth analysis to look for " bad point " automatically, and take the latitudinal curve to modify the surface ; referring to the tech of image processing, we import a interactive method to smooth surface based on image smoothing

    在自動光順方法中，利用曲率分析及深度分析自動尋找「壞點」並採用緯向曲線重生成的方法予以修正；結合圖像處理的內容，引入了基於圖像平滑的互動式曲面光順方法，取得了滿意的效果。
  9. Nurbs surfaces with single interior knots are simple and used widely. the thesis main aims at biuquartic, biquintic, k x fc - degree b - spline surfaces and bicubic nurbs with single interior knots. one of the contributions is to apply knot refinement and the geometric continuous conditions of bezier surfaces to deduce the geometric continuous constraints of nurbs patches and obtain the intrinsic equations of common boundary curves, where the intrinsic equations are the special phenomena of nurbs surfaces

    節點向量是內部單節點的nurbs曲面是最簡單也是最常用的，本文重點針對單節點的雙四次、雙五次和雙k次b樣條曲面及雙三次nurbs曲面，運用節點插入技術和b zier曲面的幾何連續理論成果，導出了它們之間的幾何光滑拼接條件，同時得到了公共邊界曲線所必須滿足的本徵方程，其中本徵方程是nurbs曲面所獨有的現象。
  10. In the higher velocity, especially in the critical velocity, the continuous model is invalidity. 2, in this paper, assume that the track and wheels are ideally smooth and no carriage or wheel - axle bending vibrations occur. invoke the basic hypothesis of the bernoulli - euler theory of beams : namely, that plane cross - sections initially perpendicular to the axis during bending

    2 、在對連續性模型的分析基礎上，假設軌道與車輪為理想光滑的、沒有車輛和輪軸激起的振動，引用bernoulli - euler梁理論的假設：即垂直於梁軸線的橫截面在彎曲過程中仍然垂直於梁的中性軸。
  11. In the third chapter, we introduce geometric expansion of convex planar curves. we discuss the evolution equation using minkowski ' s support function with the speed function of curvature and show that the shapes of curves become round asymptotically when the initial closed curves is smooth and convex

    限制曲線在外法向上的演化速度是另一類特殊的曲率函數，研究相應的方程，我們得到了在初始為凸的閉簡單光滑曲線的條件下，曲線的最後形狀是漸近地趨於一個圓。
  12. However, sketch curve is n ' t smooth, its data points is relatively excessive, and sometimes, since our hands fluctuate, we may draw what we do n ' t mean

    但徒手畫曲線（ sketchcurve ）比較粗糙，不夠光滑，數據點相對較多，有時由於手不穩定，還可能畫出一些願望之外的部分。
  13. Based on variable zmp and dynamics of 3 - d inverted pendulum, we educed the cog ( center of gravity ) ’ s trajectory equation of the robot in the single - support phase and transition of locomotion phase. and we used third - order spline function to ensure the acceleration continuity of the robot ’ s cog in the double - support phase. thereby, the smooth trajectory of cog was gained by planning

    由基於可變zmp和三維倒立擺的動力學原理，推導出了單腳支撐期內和步行方式轉換期間機器人的質心運動軌跡方程;並採用三次樣條曲線來保證機器人在雙腳支撐期質心加速度的連續性，從而由規劃得到了光滑的質心運動軌跡。
  14. The problem is researched and the algorithm which calculates the intersection points of two graphs created by the same coefficient of the ifs is proposed. the curve described changing of the intersection points number is drawn. the conc lusion is that the curve fluctuates in the tiny range and is smooth when it is seen as a whole

    其次，針對同一ifs迭代碼兩次迭代繪制得到的分形圖並非完全相同這一問題展開研究，提出了ifs分形覆蓋相交交點變化曲線的概念，給出了覆蓋相交交點變化曲線的繪制演算法，在此基礎上進一步研究了分形覆蓋相交交點變化曲線的變化率情況，得到了分形覆蓋相交交點變化曲線宏觀上比較光滑，但實際上小范圍內異常波動的實驗結果。
  15. Existence, uniqueness and continuous dependence of c0 solutions for an iterative functional equation related to invariant curves of functional differential equations with piecewise constant arguments are given under weaker conditions than that known results of c1 solutions. symmetry is also considered so that some obtained results are generalized to rn

    本章首先討論了與逐段常時滯泛函微分方程不變曲線有關的一類迭代函數方程的連續解的存在唯一性和連續依賴性，不但弱化了已有結果的c ~ 1光滑性的條件，還討論了連續解的對稱性，並根據對稱性將一些結果推進到高維。
  16. In chapter 4, we research a way how to generate curve by discrete points. the way uses several low - order bezier curve to substitute one high - order bezier curve in order to avoid computing high - order negative matrix. the curve produced by this way has good smoothness

    第四章對由離散點構建曲線進行了研究，繞過高階矩陣求逆，把由k個低階的bezier曲線拼合產生的復合曲線來代替單一的高階bezier曲線，並保證曲線之間的光滑過渡。
  17. In order to propose an efficient solution to approximating smooth or rough curves and surfaces. this thesis gives the fractal approximation models. we also give the satisfactory application of m odels in morphing

    為了統一逼近光滑曲線曲面與具有分形特徵的自然界復雜曲線曲面，本文研究了基於投影迭代函數系統模型的曲線曲面的統一分形逼近模型，並進一步給出了此模型在曲線曲面變形中的應用。
  18. It is validated that the numerical methods can absolutely predict the flow in the microchannels. the flow field around the roughness and the pressure drop of midline along flow direction are analyzed. it ' s found that the range of the pressure drop change relate to the magnitude of relative roughness, the distance between two parallel planes, the re number and ratio of the size of roughness and the distance between two roughness

    通過對粗糙元周圍流場和充分發展段中心線壓力曲線的分析，發現有粗糙元存在的兩平行平板間微通道，其充分發展段壓降大於光滑平板充分發展段壓降；當相對粗糙度和re不變時，隨著板間距的減小，粗糙度對主流的影響不斷增大；當板間距和相對粗糙度不變時，在層流狀態下，粗糙度對流動的影響不隨re的變化而變化；當板間距和re保持不變時，相對粗糙度越大，其對流動的影響就越大。
  19. In the first chapter, we introduce the concept and properties of the bezier curves. the question of continuity and modification of the bezier curves is given. and we introduce the context and produce of the question of the taffeta curve with given tangent polygon

    第一章綜述已有的結果，介紹了b zier曲線的定義及其基本性質，指出b zier曲線存在的連接和修改問題，並介紹了與給定多邊形相切的光滑曲線問題的背景和已有成果。
  20. Because limited by the sampling channel of transient electromagnetic measuring depth fieldwork curve ( generally 20 ~ 40 channels ), the smoothing degree of fieldwork curve is not very good, it make against the differential imaging treatment. in order to hold the continuous change characters of the curve and seek the voltage exactly, we use the thrice spline insert number function to reconstruct the fieldwork data ; 4

    ） t ； 3 .由於受瞬變電磁測深實測曲線取樣道的限制（一般為20 ~ 40道） ，實測曲線光滑程度較差，不利於微分成像處理，為了更好的把握曲線連續變化的特徵及準確求導，採用了三次樣條插值對實測數據進行重構;續
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