| 1. | Support vector machine for curve approximation
一种基于支持向量机的曲线逼近方法 |
| 2. | Interval polynomial curves approximation of offset curves
曲线的光顺 |
| 3. | Secondly , based on nurbs curves approximation algorithm , a nurbs surface approximation algorithm on discrete data sets is given . thirdly , a shape - preserving parametric surface interpolation to data set is given
2基于所给的nurbs曲线的逼近算法，建立了带插值条件的离散点集的nurbs曲面的逼近算法。 |
| 4. | ( 2 ) offset approximation for bezier curves the problem of parametric speed approximation of a curve is raised . the author points out that the crux of offset curve approximation lies in the approximation of parametric speed
( 2 )等距曲线逼近( offset )提出了曲线参数速度逼近问题，指出等距曲线逼近问题的关键在于参数速度的逼近 |
| 5. | The nurbs curves and surfaces approximation to constrained data sets is discussed in this dissertation . the major works are as follows : firstly , based on simulated annealing algorithm and least square principle , a nurbs curves approximation algorithm to constrained discrete data sets is presented
本文讨论了带约束的离散点集的nurbs曲线、曲面的逼近问题，主要工作如下： 1基于模拟退火算法和最小二乘法，给出了带插值条件的离散点集的nurbs曲线逼近的算法。 |
| 6. | In addition , it had founded the database and universal post processing in the software for facilitating user to operate . the cam - designed cad / cam system software can design conventional types of cam , own the advanced curves approximation and complete function , so it should has great practical and theoretical value
本篇论文从设计的原理、设计的方法和设计的步骤等方面详细阐述了对各类凸轮的设计过程，并从软件的整体设计和各组成模块设计等方面说明了软件的实现方法，同时通过软件的使用和操作一章来让用户对软件的操作更加明确。 |
| 7. | The dissertation proposes originally the idea of decomposing the time - variant load to solve this problem . first , the time - variant load is decomposed into the time - variant load characteristic and the time - variant load model due to the modeling method . second , the multi - curve approximation method is proposed to identify the load parameters , which to a great extent , reduces the effects on the time - variation of the load model from modeling method
针对负荷的时变性，论文首次提出了将负荷时变性分解的思想，首先将负荷的时变性分解为负荷特性的时变性和由建模方法引起的负荷模型的时变性，然后提出了多曲线拟合参数辨识方法，很大程度上消除了建模方法引起的负荷模型的时变性。 |
