| 1. | Original surface is formed from boundary curve and section curve using the redevelopement interface of ug
初始曲面拟合是利用ug的二次开发功能，将截面线与边界曲线拟合成一张初始曲面。 |
| 2. | The equations of workspace boundary surfaces for double - octahedron variable geometry truss pmts are derived based on surface analysis method . the projection and section curve grapha of workspace boundary surfaces for double - octahe
推导出了zrps ztps型及m 3tps型并联机床运动学分析的一阶和二阶影响系数矩阵，得到了其运动学模型。 |
| 3. | The molding procedure includes dealing with the end points of section curves , fitting the curves with the defining points , smoothing the curves , sheet molding of the blade surfaces and solid molding of the blade body
造型过程如下：叶身截面线的端点处理、叶身截面线的拟合处理、叶身截面线的光顺处理、叶身曲面造型、叶身实体生成。 |
| 4. | And the problem in the process of using multiresolution modeling techniques in reverse engineering were investigated , and some solutions for the problems occurring during the process were proposed , such as multiresolution section curves / surfaces construction etc
就小波多分辨率造型技术在逆向设计过程中应用时，截面线的构造以及曲线曲面的多分辨率表示等关键技术给出了解决方案。 |
| 5. | Experiment results prove that this algorithm is a practical and effective method , with which the ideal cross - section curve can be acquired . the result is coincidence to the standard iri ( the international roughness index ) and meets the necessity
实验结论：基于阵列信号处理和小波降噪的算法应用于路面平整度检测可以得到较理想的断面曲线，换算国际平整度指标iri与标定较吻合，符合处理要求。 |
| 6. | After various indexes including constant elements , trace elements and organic gases in core sediment of site 1146 were analyzed , the changes of their vertical section curves of content with depth were studied and the potential reasons were also discussed in the paper
通过对1146站位岩心沉积物各常量元素、微量元素及各有机气体的测试分析。研究了各元素及气体含量的纵剖面曲线随深度的变化，讨论了其可能的原因。 |
| 7. | The projection and section curve graphs of workspace boundary surfaces for 6 - sps type pmts are drawn . results of analysis show that the theoretic workspace of 6 - sps trpe pmts is enveloped by 30 surface patchs . input and output ewtons of displacement analysis for double - octahedron variable geometry miss pmts are established , analytical expressions for determining singuledty configuration are derived
分别推导出了znys ztps型、 ips 3tps型和ipt ztps型并联机床奇异仓形判别的解析表达式，得到了奇异曲面方程，并由边界曲面分析方法得到了lps 3tps型和ipt ztps型并联机床的工作空间，文中给出了以上混联结构并联机床奇异位形与工作空间分析的数值实例。 |
| 8. | In chapter 3 , we discuss surface restoring method based on ct data which uses the intersection algorithm between spline curve and radial to resample the section curve , then works out surface controlling point array ; take opengl to display the surface with reality and the lighting , coloring effect
第三章讨论了基于ct数据的曲面重构方法，利用样条曲线与射线的求交算法对截面曲线进行重新采样，并反算曲面控制点阵；在其后的显示过程中，利用opengl实现曲面的真实感显示，包括颜色、光照的变化等。 |
| 9. | By this solution , a balde body model can be created by the optimization of the parametric grid of the blade body surface . some key techniques used in the solution , such as the computation of the data points on the meanline , the technology of cotinuty between the leading line and the outline of the blade body and the technology of the cross - section curve discretization , are disserated , and corresponding algorithm are presented in this paper
在进行参数网格优化的过程中，需要进行中弧线数据点求解、缘头拼接和截面线离散，本文对以上三个问题进行了深入研究，并在此基础上提出了中弧线数据点求解算法，缘头拼接算法和截面线离散算法等研究成果。 |
