This surface is a piecewise bi-cubic rational parametric polynomial surface.
构造的曲面是分片双三次有理参数多项式曲面。
Based on the deep analysis of the principle of parametric polynomial method, shape eigenfunction method is presented in this paper.
在深入分析参数多项式方法数学原理的基础上，提出了参数分布形状特征式法。
The wake flow of stator vanes and the unsteady flow in the passage of rotor blades were solved by using oscillating fluid mechanics theory and parametric polynomial method.
采用参数多项式方法和振荡流体力学理论，求解静子叶片后的尾流场及尾流场作用下转子叶片通道内的非定常流场。
Rapidly generating parametric polynomial surface was discussed, a fast algorithm of generating parametric polynomial surface was given which is based on integer addition and subtraction.
讨论了参数多项式曲面的快速生成。给出了用整数加减法逐点生成参数多项式曲面的快速算法。
The multi-element orthogonal polynomial regression is used for traditional optimization technique of parametric optimum design, and the experimental research is done by some experiential formula.
传统的研究方法是采用多元正交多项式回归参数优化设计，通过获得一些经验公式来进行实验研究。
This paper presents an efficient algorithm for the implicitization of parametric curves defined by polynomial parametric equations, which is mainly based on the theory of matrices.
给出了多项式参数方程定义的参数曲线的有效隐式化算法，此算法主要是基于矩阵理论。
Based on parametric model of signal-multicomponent polynomial phase signal, a novel time frequency kernel is presented.
立足于信号的参数化模型—多分量多项式相位信号，提出了一种新的时频分布并给出了其构造方法。
The estimate of QPEs is roughly obtained by use of the Discrete Polynomial-Phase Transform(DPT), then it is refined by a RELAX-based parametric estimation method.
相位误差的粗估计采用离散多项式相位变换（DPT）方法，而误差精估计则基于RELAX类算法。
The sag of the surface can be spherical, conic, aspheric, or defined by a polynomial or other parametric function.
表面的下弯(sag)可以是球面、圆锥面(conic)、非球面(aspheric)或借由多项式或其他函定义。
The sag of the surface can be spherical, conic, aspheric, or defined by a polynomial or other parametric function.
表面的下弯(sag)可以是球面、圆锥面(conic)、非球面(aspheric)或借由多项式或其他函定义。
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