polynomial curve造句
例句與造句
- Implicit polynomial curve based on bp neural network
神經(jīng)網(wǎng)絡(luò)的隱式曲線構(gòu)造方法 - Interval polynomial curves approximation of offset curves
曲線的光順 - Object recognition based on affine invariants in implicit polynomial curves
基于隱含多項(xiàng)式曲線仿射不變量的目標(biāo)識(shí)別 - At last , we construct hyperbolic polynomial curves in the space of hyperbolic functions . we call them as hc - bezier curves
文章最后運(yùn)用同樣的方法在雙曲函數(shù)空間中構(gòu)造了hc - b zier曲線。 - A new method for determining knots to construct polynomial curves is presented . at each data point , a quadric curve which passes three consecutive points is constructed
一般認(rèn)為，在滿足給定約束條件的前提下，一條曲線具有的應(yīng)變能越小，則該曲線的形狀就越好。 - It's difficult to find polynomial curve in a sentence. 用polynomial curve造句挺難的
- Based on the historical data of shanghai port container throughput , forecast models are established by using grey prediction model and cubic polynomial curve prediction model
摘要利用上海港國際集裝箱吞吐量的歷史數(shù)據(jù)，分別采用灰色預(yù)測(cè)法和三次多項(xiàng)式曲線模型建立了單項(xiàng)預(yù)測(cè)模型。 - As far as parametric curves and surfaces are concerned , we discuss the point - by - point generating algorithms for parametric polynomial curves , parametric rational curves and parametric polynomial surfaces
對(duì)于參數(shù)曲線曲面，介紹了參數(shù)多項(xiàng)式曲線，有理參數(shù)曲線和參數(shù)多項(xiàng)式曲面的逐點(diǎn)生成算法，這些算法能廣泛地應(yīng)用于實(shí)際。 - In the second chapter , a class of polynomial blending functions of degree n + 1 is presented . based on the functions , we present polynomial curves with some shape parameters . the generated curves are similar with the degree n bezier curves
第二章給出一類n + 1次多項(xiàng)式調(diào)配函數(shù)，并由此構(gòu)造了帶形狀參數(shù)的多項(xiàng)式曲線，生成曲線具有與n次b zier曲線類似的幾何性質(zhì)。 - They have the properties like the quadratic uniform b - spline basis functions . the piecewise polynomial curves generated by the above - mentioned functions possess the same structure and geometry properties as piecewise quadratic uniform b - spline curve
它們具有二次均勻b樣條基函數(shù)的性質(zhì)，且用它們生成的分段多項(xiàng)式曲線具有與分段二次均勻b樣條曲線相同的結(jié)構(gòu)和幾何性質(zhì)。 - Finally , some methods of digital processing techniques , such as polynomial curve fitting and exponential curve fitting and subsection curve fitting , are used firstly to compensate the performance of the detector . the measurement accuracy of the reader is improved , with the validity proved
首次運(yùn)用了多項(xiàng)式曲線擬合技術(shù)、指數(shù)曲線擬合技術(shù)以及采用分段擬合的技術(shù)，補(bǔ)償檢波器的性能，提高了通信系統(tǒng)的測(cè)量精度，應(yīng)用效果顯著。 - And then we introduce bezier , b - spline and non - polynomial curves and surfaces modeling , which include l - splines , helix splines , splines in tension and c - curves etc . by analyzing the characters of bezier curves and b - spline curves , we construct trigonometric polynomial curves in the space of trigonometric functions , which assume the characters of b zier curves and b - spline curves
闡述了cagd中參數(shù)曲線曲面造型的發(fā)展歷史并介紹了bzier方法、 b樣條方法以及非多項(xiàng)式曲線曲面造型方法，后者包括l -樣條、螺旋樣條、張力樣條以及c -曲線等。文章以b zier曲線和b樣條曲線的特點(diǎn)為基礎(chǔ)，在三角函數(shù)空間中構(gòu)造一組具有上述兩類曲線特性的三角函數(shù)多項(xiàng)式曲線，稱其為t - b zier曲線和t - b樣條曲線。 - The author acquires three main results , i . e . an approach of constructing polynomial curves with some shape parameters , c2 - continuous spline curves of degree 4 with some shape parameter , and planar piecewise bezier curve of 3 4th and 6th degree with given control polygon and the curve segments are joined together with c1 c2 and c3 - continuity
作者在后三章得到了本文的三個(gè)主要結(jié)果： ( 1 )構(gòu)造了一種帶形狀參數(shù)的多項(xiàng)式曲線； ( 2 )構(gòu)造了一類c ~ -連續(xù)帶形狀參數(shù)的四次樣條逼近曲線； ( 3 )構(gòu)造了與給定多邊形相切的可調(diào)控保形分段c ~ 1三次、 c ~ 3六次b zier樣條曲線。 - 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(duì)雙曲平面上的曲線引入平均測(cè)地曲率的概念，并討論雙曲平面上凸曲線的嵌入性與它的平均測(cè)地曲率之間的關(guān)系，其目的是為了將雙曲平面上曲線的性質(zhì)與歐氏平面中曲線的性質(zhì)作一些對(duì)比；最后，我們利用minkowski支撐函數(shù)構(gòu)造了一類新的非圓的光滑常寬曲線，其目的是想回答有關(guān)常寬曲線的一些未解決問題(如是否存在非圓的多項(xiàng)式常寬曲線 - The antenna gain , directivity and reflection coefficient are calculated via finite element method in hfss . spline interpolation and polynomial curve fitting are applied to construct diagrams illustrating the capsulation characteristics . some general conclusions of interest are obtained
探討了各個(gè)封裝參數(shù)對(duì)輸入端反射系數(shù)、方向性系數(shù)、效率和增益等性能指標(biāo)的影響，得到一些規(guī)律性結(jié)論，為射頻振子天線的封裝應(yīng)用提供了參考性的建議，并指出了進(jìn)一步研究的方向。