This thesis studies two aspects: the Boolean operations on point models and the fusion; grid-based model of discrete surface fusion method.
本文主要研究了两方面内容：基于点模型的布尔运算及其融合方法；基于网格模型的离散曲面融合方法。
Subdivision surface is a new geometric modeling technology of discrete surface based on mesh. It can express modeling surface through control mesh and subdivision rules.
细分曲面是基于网格的离散曲面造型新技术，它通过定义控制网格和细分规则来表示造型曲面。
B-spline is the most popular method to present free-form curve and surface, and DP algorithm is the effective approach for solving discrete optimization problems.
样条方法是当前自由曲线曲面造型最为常用的方法，动态规划为解决离散最优化问题的有效手段。
An uniform distribution, isotropic thin plate, on which both surface there are discrete distribution piezoelectric actuators, is considered.
考虑一均匀各向同性薄板结构，在其上下表面离散分布着压电执行元件。
In this paper a method of using discrete orthogonal polynomials to fitting local surface of object in order to detect characteristics of range images is presented.
本文介绍一种利用离散正交多项式进行物体表面局部曲面拟合以检测物体的特征的方法。
A homogeneous isotropic thin plate, on which the surface force ACTS and there are many actuators of discrete distribution, is considered.
考虑一均匀各向同性薄板结构，在板面内受面力作用，且在板的上下表面离散分布着压电执行元件。
In this paper, the signal processing methods are introduced to improve the effect of display by regarding surface vectors as discrete vector signals and implementing low-pass filtering on them.
本部分研究通过把表面法矢量视为离散矢量信号，引入信号处理中滤波器的方法来平滑表面法矢量。
This paper presents a new discrete model of NC path generation for free form surface machining.
提出一个面向曲面nc加工刀位计算的曲面离散基本单元模型及其误差控制方法。
Point-Based Rendering uses discrete and crowded point cloud to represent the surface of model, and it's goal is to reconstruct a continuous and equivalent surface from the point cloud.
基于点的绘制技术使用离散的三维密集点云来表征模型表面，目标是采用点元作为基本绘制单元在三维密集点云中重构出连续、视觉等价的模型表面。
Secondly, by applying 'a discretization technique, an accessibility model of fixturing surfaces is established based on an overall evaluation of the accessibility of discrete points on the surface.
利用离散技术，基于所有表面离散点影响性的评估，建立了装夹表面影响性模型；
Based on the discrete points on the surface of auto body, a sparse-matrix searching method is used to generate triangular meshes automatically.
基于车身曲面的离散点，文章利用稀疏阵法搜寻法来自动生成三角形曲面。
This paper introduces an analyzing method for evaluating the color even degree on the tile surface in two dimensional frequency domain, that is by adopting two dimensional discrete fourier transform.
本文对采集的瓷砖图像采用二维离散傅利叶变换对瓷砖颜色分布均匀度在二维频域范围内进行分析，提出了一种瓷砖颜色匀度的评判方法。
Subdivision is a new method of discrete modeling. By defining the refinement rules of control meshes, subdivision surface can be considered as a method of surface modeling.
细分方法是一种新的离散造型技术，细分曲面通过定义控制网格的细分规则来表示造型曲面。
This article presents surface fitting by use of radial basis function network approach dealing with 3d discrete data, and visualization of 3d data is achieved.
运用径向基函数网络方法将三维离散数据拟合成曲面，实现了三维数据可视化。
The whole process can be divided into two steps: First, the method of surface fitting with discrete orthogonal polynomial is applied to detection of edge position.
整个处理过程分为两步：第一，采用离散正交多项式曲面拟合技术探测边缘位置；第二，运用松弛标定网突出有意义的边缘结构和压缩噪声边缘。
In this paper, the author USES fast spline function curved surface interpolation method which is derived by the author to accomplish two dimensional discrete data gridding calculation.
本文采用首次提出的快速样条函数插值方法对二维离散数据进行曲面插值，进而作网格化计算。
An algorithm of 3-axis interference-free tool path is researched and realized by cutter location surface and protection surface of discrete triangular facets of machined surface.
介绍和扩大了数控加工中的刀位面和保护面的概念，研究和实现了一种基于曲面离散生成三轴加工无干涉刀具轨迹的算法。
With Discrete Fourier Transforms description of 3d curved surface, transform function of forming process is discussed.
在多点成形过程中，3维曲面形状的离散傅里叶变换描述能够反映成形件的整体变形特性。
Underground engineering analysis of settlement data USES detect discrete point method, rendering the settlement warning cloud, which on the surface for the settlement of intuitive judgments.
地下工程沉降数据通常采用分析离散检测点的方法，绘制沉降预警云图，从而对地表的沉降情况进行直观的判断。
We have also studied the variance spectral configuration of the surface wind field using DCT (Discrete Cosine Transform).
并采用了离散余弦转换(DCT)对其方差的波谱结构进行了讨论。
The discrete curvature data were arranged; the mean and variance, as well as the arc-length, surface and angle of curved pieces were calculated.
对离散曲率数据进行处理，计算其均值和方差以及弧形件的弧长、夹角、面积等特征量。
The surface roughness of stone is very discrete, whose value in a place is 3-4 times as large as that in other places.
石材的表面粗糙度很分散，在不同的位置表面粗糙度值相差达3 - 4倍。
In this part 1 installment, we look at the latest passive components that integrate several discrete parts into smaller, surface-mount versions, saving space and cost and improving performance.
在这第1部分中，我们看到了集成多个分立元件成更小，表面贴装的版本，节省空间和成本，提高性能的最新无源元件。
An offset surface method was proposed to calculate the discrete mandril's height, whose algorithm was very simple and without the convergence problem which is common to analytical algorithm.
提出了采用偏移球心曲面计算顶杆高度的方法，算法实现简单，无解析算法产生的收敛问题。
First, the spatial character of continuous surface DM with discrete actuators is analyzed.
首先，系统的研究了连续表面分立压电驱动变形镜的空间特性。
The main achievements of this thesis are summarized as follows:1. The surface roughness of stone is very discrete, whose value in a place is 3-4 times as large as that in other places.
本文的主要成果有以下几个方面：1．石材的表面粗糙度很分散，在不同的位置表面粗糙度值相差达3-4倍。
The main achievements of this thesis are summarized as follows:1. The surface roughness of stone is very discrete, whose value in a place is 3-4 times as large as that in other places.
本文的主要成果有以下几个方面：1．石材的表面粗糙度很分散，在不同的位置表面粗糙度值相差达3-4倍。
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