構造的曲線 的英文怎麼說

中文拼音 [gòuzàodeqūxiàn]
構造的曲線 英文
constructed curves
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 造 : Ⅰ動詞1 （做; 製作） make; build; create; produce 2 （假編） cook up; fabricate; concoct 3 [書面語...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 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...
  • 構造 : structure; construction; constructional detail; tectonic; structural; makeup; anatomy; constituti...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. Some important problems will be mainly discussed in this paper, including : the formation and representation of bsc, bbc, tbsc, tbbc curves and surfaces, some significant properties and corresponding algorithm, the expression of normal curves and surfaces in the form of bsc, bbc, tbsc, tbbc, the methods of the reparametrization of curves and surfaces based on the theory of bsc, bbc, tbsc, tbbc curves and surfaces, the application of the theory of bsc, bbc, tbsc, tbbc curves and surfaces in the reparametrization of curves and surfaces and practical modeling

    3 ）函數的概念，並建立了bsc 、 bbc和tbsc 、 tbbc曲線曲面的系統理論。主要研究bsc 、 bbc和tbsc 、 tbbc曲線曲面的構造、表示、性質，特徵、演算法；常用曲線曲面的bsc 、 bbc表示；基於bsc 、 bbc理論的曲線曲面的重新參數化方法； bsc 、 bbc理論在曲線曲面的重新參數化和實體造型中的應用。論文分為六個主要部分。
  2. 8 guo b. quadric and cubic bitetrahedral patches. the visual computer, 1995, 11 : 253 - 262. 9 wang w, qin k. on the existence and computation of rational quartic spherical curves for hermite interpolation

    關于參數插值曲面構造的研究綜述一般是先在每三角剖分面上構造邊界曲線，而後再用一片或多片插值曲面去填充這些曲線網格。
  3. Geometric modelling : algorithms and new trends, g. farin ed., siam, philadelphia, 1987, pp. 235 - 246. 20 loop c. smooth spline surfaces over irregular meshes

    3構造擬插值曲面，它覆蓋四邊或三角域上的曲線網格並部分插值于其上法向量。
  4. We proposed four kind of it and analyzed their structure. this kind of new actuating mechanism can realize the going around a turn under the condition of steady and smoothing, so it can realize the transmission continuous and long distance round about movement with the whole equipment

    同時，為了使該機構能夠實現正常的曲線嚙合，在漸開線柱齒鼓形齒輪和空間齒條機構之中引入了一個導引機構，並對其進行了結構設計和樣機製造，從而使這種空間齒輪齒條機構實現了平穩的空間曲線嚙合傳動。
  5. A new algorithm is presented in this paper for piecewise quadric b - splines curve reconstruction from scattered data in a plane

    摘要基於控制頂點擾動的思想提出了一種新的曲線重構演算法，用於構造一條分段二次b樣條曲線來逼近平面上的散亂數據點。
  6. After the dynamical analysis, the theoretical curve of the stationary sorting turnout is formed. based on the result, a dynamic simulate experiment by computer is done. as a result, i find that the theoretic results meet the fact and the designation is feasible through comparing and analyzing the experimental and theoretic data

    通過對系統的動力分析，從理論上構造出了推塊式分揀機固定分揀道岔的曲線模型，並對該曲線模型進行了計算機動態模擬實驗，對所得的模擬實驗數據進行了比較與分析，論證了理論研究結果的正確性與可行性。
  7. Following that, when the image set is., based on constructing the mapping : g : d, the origin problem is transformed into the general interpolation curve construction on ft2. thus a efficient method in the construction of a curve restricted on smooth surfaces

    通過建立映射g ： dcw 『一w 』 ，使像集即為曲面二，將曲面z上的曲線構造轉化為通常w 『上曲線構造，提出了一種二維流形上曲線構造的有效方法。
  8. 6 brodlie k w ed. a review of methods for curve and function drawing. mathematical methods in computer graphics and design, london, uk : academic press, 1980, pp. 1 - 37

    結果表明，新方法選取的節點構造的曲線具有數據點建議的理想形狀，而其他三種方法分別對某些數據不能給出令人滿意的結果。
  9. Through constituting appropriate homotopy equation, we convert ncp ( f ) to solving the homotopy equation. without assumption of regular or non - singularity for vf ( r ) ( which is the jacobian of f ( x ) ), we prove that the homotopy equation has a bounded solution curve starting from ( w ( 0 ), 1 ), and its end point is the solution of ncp ( f )

    在不需要非線性映照f （二）的jacobian矩陣甲f （二）正則或非奇異的限制下，我們證明了所構造的同倫方程有一條從（二（ 0 ） ， l ）出發的有界的解曲線，而其終點就是我們要求的ncp （ f ）的解。
  10. The algorithm is simple and is easy to accomplish. the approximation extent is high

    演算法原理簡單，易於實現，構造的nurbs曲線逼近程度高。
  11. The constructed curve was shape - preserving to the polygon

    所構造的曲線對多邊形具有保形性。
  12. In the forth chapter, we proposes an approach of constructing planar piecewise bezier curve of 3rd 4th and 6th degree with all edges tangent to a given control polygon and the curve segments are joined together with c1 c2 and c3 - continuity. the segmented bezier curves are all shape - preserving to their tangent polygon

    第四章討論與給定多邊形相切的分段三次、四次、六次b zier曲線，所構造的曲線c ~ 1 、 c ~ 2 、 c ~ 3 -連續，並且對切線多邊形是保形的。
  13. Comparing with the quadratic b - spline curve, they have advantages by themselves : firstly, the shape of the curves can be adjusted locally by the parameters i ; secondly, the curves formed by blending functions of degree 4 can be g2 continuous. in addition, in order to meet various requests for continuity of curves in practical applications, corresponding polynomial functions can be used to construct the curves

    但與二次均勻b樣條曲線相比，它們還有其自身的優點：首先，曲線的形狀都可用參數_ i進行局部調整：其次，四次調配函數所構造的曲線就可達到g ~ 2連續；另外，為了滿足實際應用中對曲線連續性的不同要求，可使用相應次數的調配函數來構造麯線。
  14. Based on analysis of the characteristics of the composite soil nailed wall, simulating the soil nail, concrete layer, deep mixing pile and step excavation, a model is established to calculate the deformation of the wall, compiled simple and applied program of one dimension fem ; according to the field test data and the calculated data by the fem software this paper has developed, the design method and deformation of the wall in xi ' an area is discussed. the shape of destructive sliding surface of the wall in loess strata in xi ' an area with deep groundwater is gotten. finally the lateral deformation distribution and the experiential formula to predict maximal horizontal displacement of the composite soil nailed wall are given

    針對復合土釘墻構造的特點，建立了模擬復合土釘墻受力變形的一種計算模型，該計算模型可對土釘、面層、深層攪拌樁以及分層開挖等進行簡化模擬；編寫了簡單實用的桿系有限元程序；結合工程實測資料及有限元法分析的結果，探討了西安地區的土釘設計以及復合土釘墻的變形規律，得出了西安地區一般黃土在無地下水時的破壞滑動面形狀，復合土釘墻的側向變形曲線以及計算復合土釘墻最大水平位移的經驗公式。
  15. 3. according to the spline theory we presented a shape matching algorithm based on the similarity matrix of curvature and torsion values of 3d curve, we reduced the 3 - d curve matching task into a 1 - d string matching problem, which makes the matching more veracious and can be used on the 2d or 3d curve matching. in order to reduce the cost of matching, we used multiple scale technique

    依據樣條曲線的基本理論，研究了基於b樣條的輪廓曲線的匹配方法，給出了由輪廓曲線不變量曲率和撓率構造的相似不變量的選取以及基於相似矩陣的匹配演算法，並對該演算法的時間復雜度作了估計，同時，將多尺度技術引入到物體輪廓的匹配問題中。
  16. Secondly, in this part, we will introduce the notation of average geodesic curvature for curves in the hyperbolic plane, and investigate the relationship between the embeddedness of the curve and its average geodesic curvature. finally, we will employ the minkowski ' s support function to construct a new kind of non - circular smooth constant breadth curves in order to attack some open problems on the constant width curves ( for example, whether there is a non - circular polynomial curve of constant width, etc. ) in the second part, we will first follow the ideas of gage - hamilton [ 28 ], gage [ 26 ] and the author ' s dissertation [ 47 ] to present a perimeter - preserving closed convex curve flow in the plane, which is from physical phenomena

    其次，對雙曲平面上的曲線引入平均測地曲率的概念，並討論雙曲平面上凸曲線的嵌入性與它的平均測地曲率之間的關系，其目的是為了將雙曲平面上曲線的性質與歐氏平面中曲線的性質作一些對比；最後，我們利用minkowski支撐函數構造了一類新的非圓的光滑常寬曲線，其目的是想回答有關常寬曲線的一些未解決問題（如是否存在非圓的多項式常寬曲線
  17. It has a large region of application in solid rocket motor grain design and has made new improvements compared with other available codes. user can easily and rapidly build his initial grain shapes and then obtain geometric information of his design. according to the theory describeds in the paper, the regressions of the burning surface area and the pressure are obtainded

    該系統擴展了固體火箭發動機裝藥的設計能力，用戶可利用它簡捷地構造出三維藥柱的初始形狀，並獲得設計所需的各個幾何參數，進而依據本論文提出的復雜三維藥柱內腔燃燒推移和燃面計算的方法，計算出燃面變化和壓強變化，得到推力隨時間變化的曲線，再依據這些計算結果進行再設計，直至達到滿意的結果為止。
  18. First of all, by establishing the observation model of complex harmonic signal and complex linear chirp signal respectively under the co - jamming of additive and multiply noise, the paper constructed cyclic moment detectors of different orders, deduced snr expression of the detector through theoretic analysis, discussed the relation of detector performance and noise statistical characteristic. the curve of detection performance is obtained through monte carlo simulation test, proving the related conclusion derived

    首先，論文分別以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，構造了基於不同階次的循環矩檢測統計量，從理論上推導出了檢測器的信噪比表達式，分析了檢測器性能與噪聲統計特性的關系，通過monte - carlo模擬試驗得到了檢測性能的曲線，驗證了推導的有關結論。
  19. And then, adopting the same model, cyclic moment estimation statistic of different orders are constructed respectively, large sample variance expressions of the estimator through theoretic analysis are derived, as well as the constraint relation of estimator performance and noise statistical characteristic. the curve of estimation performance is obtained through monte carlo simulation test, which proves the related conclusion derived

    然後，論文同樣以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，分別構造了基於不同階次的循環矩估計量，從理論上推導出了估計量的大樣本方差表達式，分析了估計量性能與噪聲統計特性的約束關系，通過monte - carlo模擬試驗得到了估計性能的曲線，驗證了推導的有關結論。
  20. To prevent e - cash from double - spending and unlimited increase in the records of databases, an improved offline e - cash system based on elliptic curve cryptography was proposed

    摘要為防止電子現金重復花費和數據庫記錄無限制的膨脹問題，改進了現有的利用橢圓曲線密碼系統構造的離線電子現金系統。
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