文本樣條線 的英文怎麼說

中文拼音 [wénběnyàngtiáoxiàn]
文本樣條線 英文
text spline
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 樣 : Ⅰ名詞1. （形狀） appearance; shape 2. （樣品） sample; model; pattern Ⅱ量詞（表示事物的種類） kind; type
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 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...
  • 文本 : text; version
  1. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板，建立雙參數地基與中厚板相互作用的控制微分方程，結合胡海昌的解耦函數，運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題，並將結果與有限元線法、有限條法、級數精確解等進行比較，證明本文方法具有足夠的精確性與實際的可行性。
  2. This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section

    文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法，並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs （非均勻有理b樣條）曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。
  3. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  4. The main body can be summarized as the following five sections : this paper firstly creatively builds the yield curve of our treasury securities by the method of regressive interpolation and spline. by the empirical study we can see that the method not only can build a smooth yield curve but also can predict the yield to maturity of any given term on the basis of the practical dealing data on the markets

    主體內容可概述為以下五部分：論文首先創造性地把回歸插補法和三次樣條插值法結合起來構造了中國的國債收益率曲線，經過實證分析表明，該方法可以以中國國債市場上的實際交易數據為樣本，既能構造平滑的國債收益率曲線，又能預測任意到期期限的國債收益率。
  5. Abstract : this article is devoted to the development hull lines fairing, analyses some cases of this topic in home and abroad, poses some technical questions of hull lines fairing and also gives the solution including the spline curve precision fairing theory, ship data series, adept more data interactive way, and the integration of lines fairing and cad / cam, etc

    文摘:本文以船體線型光順的發展方向為題，論述了國內外的發展概況，針對國內情況提出了船體線型光順的一些技術問題和解決方案，包括建立樣條曲線的精密光順理論，系列船數據庫，更多地採用數據圖形交互手段，線型光順和cad / cam實現一體化。
  6. This paper studies nonlinear dynamic problems of tall building structures, first, constitutes linear dynamic equation and elasto - plastic dynamic equation of structure by using qr method, later, solves the dynamic equation by using spline unconditional stable algorithm, last, programs corresponding computer programs with c program language, and calculates some example and a tall building in constructing the courses and the results prove that qr method is not only simple in calculating and fast in constringency rate, but also precise, that qr method is a effective and economic new method

    本文研究高層建築結構彈塑性動力問題，先利用qr法建立了結構線性動力方程及彈塑性動力方程，然後利用樣條無條件穩定演算法求解了動力方程，最後利用c語言編寫了相應的計算程序，計算了一些例題和分析了一個工程實例。 qr法在理論上及方法上不用有限元法及流動法則，避免了這些傳統方法在分析非線性問題時所帶來巨大困難的缺陷。計算結果表明，這種方法不僅計算簡便，而且精度高，收斂速度快，是一種經濟有效的新方法。
  7. Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic

    本文主要研究大跨度鋼管混凝土桁架拱線性靜力問題和線性動力問題以及彈塑性靜力問題和彈塑性動力問題，先利用qr法按照梁單元的剛度方程建立桁架拱的線性靜力方程，進行桁架拱內力分析，建立桁架拱線性動力方程、彈塑性剛度方程及彈塑性動力方程，然後利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程。
  8. We construct eigenfunctions from the linear combination of the b - spline functions and the truncated fourier series, and extend pseudospectral method to calculate above - threshold ionization electron spectrum of one - dimensional atom in intense laser fields. our results are also in very good agreement with those of split - operator method

    本文還利用b樣條函數和傅立葉級數的線性組合構造原子未微擾的本徵函數，將偽譜方法推廣用來計算一維模型原子在強激光場中的閾上電離譜，其結果與分裂算符方法所得的結果也符合得很好。
  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. So we can complete the kinematic analysis of the cam mechanism by the analysis of the corresponding assur - group. based on the method, this paper deals with plannar disc - cam mechanisms with different types of followers. the main points of this paper are as follows

    基於桿組的分析方法，本文圍繞各種類型從動件的平面盤形凸輪機構做了如下工作： 1 .根據凸輪機構的檢測數據利用三次周期樣條函數插值法對凸輪實際廓線進行曲線擬合。
  11. The concrete contents include : one background : with the comparison with the western countries, our compulsory education displays a strong government - oriented behavior, which is the root of success and potential failures in our compulsory education two clues : in " ought to be " level, it is " local quasi - public goods - - polycentri supply " and in " be " level, " pure public goods - - monopolized supply by government " one theoretic judgment : the separation of manufacture and provide in compulsory education, which gives the chance for polycentri manufacture of compulsory education one center point : to stick to the main responsibilities of government in providing and managing the compulsory education three contents : subject ( which ? ) : local governments are the responsibilities subject of compulsory education substances ( what ? ) : to ensure the compulsory education ' s public good from the nature, and compulsory education ' s development abilities of the whole local government from the quantity measures ( how ? )

    具體內容有： ?一個背景：在中西方義務教育比較出的基本特徵中表現出的強烈的政府驅動，我國義務教育所取得的成績和所蘊涵的危機都在於此?兩條線索：理論應然層面上的「地方性的準公共產品? ?多中心供給」和實然層面上的「純公共產品? ?政府壟斷供給（單中心） 」 ?一個理論判斷：義務教育的生產與提供的分離? ?義務教育的多中心生產的可能性?一個中心：堅持政府在義務教育中責任的主要性? ?提供與管理?三項內容主體（哪一級政府） ：根據博奕理論，地方政府是我國義務教育的責任主體內容（負什麼責任） ：質上保證義務教育的公益性，量上保證各地方在義務教育發展力上的均衡措施（怎樣負責人通過政府間的轉移支付保證義務教育中的程序正義，通過義務教育的多中心生產，把「麵包做大」保證義務教育中的實質正義當然，在此對本文內容的區分梳理，只是一種思路的順序。
  12. Spline curves defined in the space constructed by polynomial and hyperbolic functions are studied in this paper. the main research contents and achievements are as follow : firstly, we generate the cardinal extended complete chebychevian ( ect ) - systems on the space constructed by polynomial and hyperbolic functions, then introduce the algebraic - hyperbolic b - spline space and identify the dimension law and zero properties. the existence of a basis of splines with minimal compact supports is demonstrated, and functions named non - uniform algebraic - hyperbolic b - splines are obtained by solving certain linear equations with a block matrix

    本文主要研究定義在多項式和雙曲函數構成的空間上的樣條曲線，其內容和完成結果如下:一、生成由多項式和雙曲函數構成的空間上的一組典範式ect （ extendedcompletechebychevian ）組及其對偶， ，證明非均勻代數雙曲b樣條空間的維數定理和零點定理，直接通過解塊矩陣線性方程組得到具有最小緊支撐的非均勻代數雙曲b樣條函數，進而構造非均勻代數雙曲b樣條曲線，還具體給出低階的表示
  13. We have more important significance studying quadratic rational b - spline curve ' s curvature monotony. this paper derive the curvature monotony condition for the quadratic rational b spline curves by using the skew coordinate system that can reduces the calculation process. and the curvature monotony condition is compared to the quadratic rational bezier curves "

    本論文通過建立斜坐標系，簡化了計算過程，推導出了二次有理b樣條曲線曲率單調充要條件，並與二次有理b zier曲線的曲率單調條件相比較，結果表明：二次有理b樣條曲線曲率單調的充要條件與二次有理b zier樣條曲線相類似，但其條件又有不同。
  14. This paper studies the rational b - splines curves with prescribed poles and surfaces for the first time, and studies the properties of this new surface modeling. the result indicate that this modeling not only have the property of geometric modeling, but also have the agility and availability, and score the singular of curve

    本文首次構造了指定極點的有理b樣條曲線曲面，並深入研究了這種新穎曲面模型的性質，結果表明該有理曲面模型不僅具有幾何造型的特點，而且更靈活、更有效，並能刻畫曲線的奇性等固有特性
  15. In this paper, authors have predominantly discussed mathematical model of cad for designing bodyplan of fishing vessels, generating and gradually and perfectly completing data base system of prototypes for pattern of vessels with technique of data base, and completing fairing of lines by insertion of cubic sample function and its software system

    摘要本文重點討論了在計算機輔助漁船型線設計中採用的數學模型，應用數據庫技術生成和逐漸完善母型船的型船庫系統，以及採用三次樣條函數插值解決光順問題和軟體系統。
  16. To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed

    本文針對rp技術在醫學領域應用的需要，系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法： （ 1 ）在基礎演算法研究部分，提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法； （ 2 ）提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法； （ 3 ）提出了一種稱為「虛擬測量」的曲面模型處理方法。
  17. Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track

    本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。
  18. The main research contented and achieved are as follows : first, the paper define the rational space, then require the construction of the rational b - spline basis function, on this basic, paper define a kind of rational b - spline curve with prescribe pole

    本文取得的主要研究結果如下:首先，定義了一種指定極點的有理樣條空間，在該空間上給出了有理b樣條（基）函數的構造，由此定義了一種指定極點的有理b樣條曲線
  19. According to three dimension braided composites for braided technology - four - step and technology - two - step procedure, and with reference to theories of braided fabric geometry and force models, a geometric model is built. in this model, the cross - section of thread is described as a circle and thread path as a cubic b - spline. braided - fabric structures in three dimensions are displayed by using solid - modeling techniques

    本文三維編織物根據四步法和二步法編織工藝，從紗線的力學模型出發，建立了以圓形近似描述紗線的截面形態，以三次b樣條曲線近似描述紗線的屈曲形態的織物空間幾何模型，利用計算機三維實體造型技術，分別建立各自的編織物實體模型，用來模擬織物內部各紗線的空間位置，完成織物結構模擬。
  20. In the curve and surface modules of this system b - splines curves and bezier surfaces are manipulated by moving their control points to new user defined locations. and for nurbs curves, the extra degree of freedom called weights is used to manipulate the shape of curves or surfaces. in the thesis, the preliminary research and development are made in the generation of nc codes for outline machining and output of nc codes text file

    採用互動式控制dof對nurbs曲線、曲面的設計與修型和通過移動曲線曲面上的控制點對b樣條曲線和貝塞爾曲面的互動式直接修型兩種方法，開發了曲線、曲面cad模塊；本文還對數控編程軟體開發中外輪廓加工的數控代碼生成和代碼文本文件輸出進行了初步的研究與開發。
分享友人
分享到 Line

分享到臉書