1) degree elevation
升阶
1.
Solutions to problems of algorithms for degree elevation of B-spline curves;
B样条曲线升阶算法中问题及其解决办法
2.
Solutions to problems of the classical algorithms for degree elevation of B spline curves;
B 样条曲线升阶经典算法中的问题及其解决办法
3.
NURBS representation of combination curve including straight line,conic and free curve segment is given by using the methods of degree elevation and interpolation for NURBS curve.
利用NURBS曲线的升阶和插值方法,给出组合曲线包括直线段、二次曲线段及自由曲线段的NURBS表示的一种方法,并给出它在船舶型线设计中的应用。
2) elevation
[英][,elɪ'veɪʃn] [美]['ɛlə'veʃən]
升阶
1.
Using the method of degree elevation to the rational Bézier curve of degree n,the rational Bézier curve is converted into the rational Bézier curve with the lowest degree and nonzero weights.
作者对转化得到的n次有理Bézier曲线进行升阶。
2.
The elevation property of Bézier curves themselves is combined with the least squares theory of generalized inverse matrices, and a new approximation method of multidegree reduction is presented.
利用 Bézier曲线本身的升阶性质 ,并结合广义逆矩阵的最小二乘理论 ,给出了一种新的降阶逼近方法 。
3) ascending the rank with the raising of dimension
升阶升维
4) recursive degree raising
递归升阶
1.
Remark on the recursive degree raising algorithm for B spline curves;
B样条曲线递归升阶方法的一个注记
5) elevation of the curve
曲线升阶
6) lifting structures
提升阶梯
1.
The errors in the process when the multiplier coefficients in the lifting structures are converted to binary fractions are analyzed in experiments and the truncation errors are also studied.
研究了一种基于二进制整数离散余弦变换的无乘法快速和高效算法 ,新算法同时对实现提升阶梯中涉及的系数进行了分式化和截“1”近似 ,对带来的误差进行了实验分析 ,实现了加法器总数的优化 。
补充资料：升阶
1.步步上进。 2.自堂下拾级而上。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条