离散数据
- 网络Discrete Data
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基于该框架,分别面向连续数据和离散数据,提出两种Web用户聚类算法。
Based on this framework , two clustering algorithms for continuous date and discrete data are designed to analysis user characteristics .
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针对鞋楦高速加工要求,提出了采用B样条曲线对离散数据进行刀具半径偏置的方法。
Aiming at the requirements of last high-speed machining and discrete data processing , a B-spline tool-offset model was presented .
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离散数据点的B样条曲线精确拟合
A New B-spline Curves Fitting Algorithm for Scatter Data
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本文采用Visualc++编程技术,根据空间离散数据点,在国内首次完成了模拟的热释光三维谱图的构建
In the paper , simulative TL three-dimensional spectrum is firstly created according to space discrete data points through Visual C + + language
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通过实例介绍了MATLAB计算机软件具有的运用计算机工具处理综合水质模型的各离散数据、绘出采样点位置,以及处理模型各变量关系图和检验采样数据精确性及计算准确性等功能。
The MATLAB software can treat the dissociation data and draw the sampling sites in comprehensive water quality model .
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本文系统研究了3D离散数据的直接三角划分,并解决了与多值曲面相对应离散数据的分片三角划分问题。
By systematically discussing a direct triangulation for3D points , a new separated triangulation algorithm for3D data related to a multivalued surface is presented .
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基于涡轮叶片有限元分析离散数据点的NURBS曲面重构
The Nurbs Surface Reconstruction for the Turbine Blade Scatted Points Based on FEM
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反求工程中离散数据的有序化及其STL重构
Serial array and STL surface reconstruction of discrete data in reverse engineering
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由3维离散数据反求曲面STL数据文件
Reversing Surface STL Format File from the 3D Discrete Data
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逆向工程多块三维离散数据点云数据点云的STL重构
Reversing surface STL format file from many blocks of 3D discrete data cloud
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离散数据直接映射STL数据文件
The Scatter Data Directly Shine Upon the STL File
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利用Voronoi图改进离散数据重构曲面算法
An Improved Surface Reconstruction Algorithm from Scattered Points-Based Voronoi Diagrams
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处理CT或MRI图象得到骨骼轮廓边缘的离散数据点后,如何对数据点进行处理以获得光顺、保留原轮廓特征的曲线是三维重建过程中的重要内容。
After discrete points are extracted from CT scan and MRI images , it is important to process them into smooth curve loyal to original bone section contour .
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基于激光无触点式三坐标测量仪所测得的曲面离散数据点,论文给出了一种用双三次B样条曲面插值来重构车身曲面的方法。
Based on the discrete points on autobody surfaces measured by 3-D untouched laser scanner , this paper introduces a method of reconstructing surfaces from these points with cubic B-Spline surface interpolation .
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基于Delaunay三角剖分的层析图像离散数据表面重建算法
An Algorithm of Reconstructing 3D Surface from Discrete Data of Layered Images Based on Delaunay Triangulation
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在个人信用评估部分中,对所有的离散数据进行量化处理,然后使用局部学习率自适应算法,对BP算法加以改进。
In the individual credit evaluation part , it quantifies all kinds of scattered data , and to improve BP algorithm it uses local self-adaptive study rate algorithm .
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提出了一种针对3D离散数据点的空间三角网格生成算法,该算法具有接近线性的复杂度,并有效地解决了一般算法不能处理的带有孔洞表面的情况。
A fast triangulation algorithm for 3D scattered data is presented . The algorithm has almost liner complexity and can effectively solve the region with holes that common algorithm can not dispose .
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在RPC样式中,传输数据被编组为使用特殊XML有效载荷格式(称为SOAP编码)的离散数据类型。
In the RPC style , the data to be transmitted is marshalled into discrete data types in a special XML payload format ( called the SOAP encoding ) .
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提出一种基于Delaunay三角剖分思想的层析图像离散数据的表面重建算法。
This paper presents a new algorithm of reconstructing 3D surface from discrete data of layered images based on Delaunay triangulation approach .
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通过对常用的4种DTM(DigitalTerrainmodel)建模方法进行分析,选取不规则三角网方法对离散数据进行建模。
Through the analysis of the four methods of the DTM ( Digital Terrain Model ) Modeling , we select the TIN ( Triangulated Irregular Network ) method to build up the model of scattered data .
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在快速原型制造技术中由三维实体离散数据反求STL数据文件是非常重要且实用的技术。
It is very important and useful technology in the Speediness Prototype manufacture technology that three dimension scatter data are reversed to the STL format data .
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提出了一种基于AutoCAD的水利工程数据的插值方法。采用VBA开发技术,直接利用了AutoCAD绘制拟合曲线时采用的数学插值算法对离散数据进行插值计算,而不需要构建繁琐的插值函数。
Through VBA programming , the interpolating algorithm is applied to create fit curve in AutoCAD from scattered data and interpolate its value at certain point without constructing complex interpolation equation .
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本文的主要目的是在已知一个具有一定排列规律的离散数据点的情况下,利用NURBS曲线曲面的相关原理,重构三维牙齿曲面模型。
The purpose of this paper is using the related principle of the NURBS curve and surface to reconstruct 3D tooth surface under the circumstance of the discrete data with the certain array rule .
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以GIS为基础,寻求流域面雨量与雨量站均匀度的相关关系,分析比较了相关分析和离散数据网格化法两种雨量插值方法对洪水预报精度影响。
Based on GIS , the correlation relationship between areal rainfall and the equality degree of precipitation station is found out , and the influence to hydrological forecast of two methods , the method of correlation relationship and the method of discrete data gridding , is analyzed and compared .
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该算法主要利用推进波前法构建离散数据点的索引,搜索第3个离散数据点,构成新的三角形,满足Delaunay三角剖分法的规律。
The advancing front method is mainly used in the algorithm to construct the index of discrete data , search the third discrete point , form a new triangle and conform to the rule of Delaunay triangulation .
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针对地质勘探等原始离散数据采用UML建立数据静态结构模型,利于GIS空间数据库集中存储管理;
Original data focusing on geological exploration are mostly discrete , and a static structure model can be built based on UML and be stored by spatial database of GIS . Continuous data on strata surface and body can be produced from original data by vector lay construction .
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本文研究了等高线的三维可视化显示的基本理论与方法,主要内容包括离散数据的获取,等高线三维显示的建模,讨论了规则格网(Grid)模型和不规则三角网(TIN)模型的建模方法。
This paper studies basic theory and methods of 3D contour line visualization . The major content of this paper includes the gain methods of discrete data , model building of 3D display of contour line . In the modelling methods , it discusses Grid model and TIN model .
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利用函数a-xm(a>1,m>1)对原始离散数据列{x(0)(k)}进行变换,原始数据列变成a-[x(0)(k)]m,很大程度上提高了预测精度。
Using the function a-xm ( a > 1 , m > 1 ), the original data sequence { x ( 0 )( k ) } is changed to a-m , and the forecasting precision is improved to a great extent .
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从离散数据点入手,得到了AK630舰炮理论凸轮曲线。
The theoretic cam curve of AK630 Gatling naval gun was obtained from the analysis of discrete points .
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利用了霍夫变换抗噪声能力强和能分离出属于不同直线附近点的特性,研究离散数据点集M中xi,yi满足指数函数关系时的曲线检测问题。
This paper , by using the strong resistance of Hough transform to noise and its characteristics of extracting points in the vicinity of different lines , studies the curve detection when x I , y I of the discrete data point set M satisfy the exponential function relation .