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。
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(guó)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。