convex hull是什么意思

网络释义

用法例句

An acceleration algorithm of convex hull computing bace on the even school;

基于均匀分布的平面点集的凸包加速算法研究

Improved algorithm of convex hull based on super ball s lamella;

基于超球外壳的凸包改进算法

This is equivalent to the 3D bumping texture being inserted on the surface of the yarn,improving the vividness of the simulated yarns,especially to the yarn with a nearly round cross section.

在用B样条曲面构造具有不同截面的纱线三维模型基础上,对截面随机加上凹凸扰动,并沿着纱线的径向对各个截面进行旋转,使得纱线表面产生波浪状的捻度效应,相当于在纱线表面添加了三维凸包纹理,提高了模拟纱线的逼真程度,对于圆形截面纱线的效果特别显著。

A series of numerical parametric studies on active control of separation flow over a hump model are presented.

针对凸包流动分离主动控制开展了参数化数值研究。

A new representation to splines is introduced and the concept of generalized Bsplines is presented by considering the null space of a second order constant coefficient differential operator and the(unique) solution to an initial-value problem;it shows the evaluation algorithm and knot insertion algorithm for generalized B-splines and analyses convex-hull property and variation-diminishing result.

通过二阶常系数微分算子的零空间及其初值问题解的唯一性,引入了广义B样条曲线的概念,给出了B样条曲线的一种统一表示形式,介绍了该样条的求值算法及节点插入算法,并对其凸包性质和变差缩减性质作了分析,最后给出了相应算例。

Design of Biomimetic Surfaces with Domes and Abrasive Behavior Against Water-sand Slurry;

凸包型仿生表面设计及水砂磨损行为

Algorithm of Constructing Convex Hull for Plant Leaf Based on Bidirectional Polar Angle

基于双向极角的植物叶凸包生成算法

A Quick Algorithm and Programming to Determine Convex Hull for Planar Scattered Point Set in GIS

GIS中散乱点集凸包的快速算法及编程

A Variant of Jenson's Inequality on Convex Hulls

Jenson不等式在凸包上的推广

An acceleration algorithm of convex hull computing bace on the even school

基于均匀分布的平面点集的凸包加速算法研究

The Research on SVM Kernel Parameter Selection Based on Convex Estimation;

基于凸包估计的SVM核参数选择方法研究

Study on the Method of Non-linear Classification Base on the Contraction of the Closed Convex Hull

基于闭凸包收缩的非线性分类方法研究

The Accelerated Algorithm of Line Simplification Based on the Path Hull

基于凸包的线状要素化简的一种改进算法

Image Retrieval by Convex Hulls of Interest Points and SVM-Based Weighted Feedback

用兴趣点凸包和SVM加权反馈实现图像检索

An Acceleration Algorithm of Convex Hull Computing Bace on the normal school

正态分布点集的凸包加速算法及加速因子分析

die ,stamping (excl. relief printing dies)

冲模（不包括凸纹印花模）

Each unit has a pair of cams, with an anti - friction roller for each cam.

每两对凸轮之间有一定的间隔,每一组凸轮中包括一对凸轮,每个凸轮对应一个减摩转子。

a leather briefcase embossed with one's initials

饰有浮凸的姓名首字母的皮公事包.

Algorithm for smallest quadrangle encasing box of convex polygon

凸多边形最小面积四边形包围盒算法

A New Method to Study the Containment Measure of Convex Bodies in Light of Minkowski Subtractions;

以Minkowski减法研究凸体包含测度的新方法

The value-opening mechanism includes a valve lifter and a cam on a camshaft.

一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。

A study of cam profile equations and engagement features for cam mechanisms with planar envelope and globoidal indexing

平面包络弧面分度凸轮机构凸轮廓面方程与啮合特性的研究

The Profile Determination of Conical Cam with a Translating Follower Based on the Theory of Envelopes

应用包络面理论建立直动从动件圆锥凸轮机构凸轮廓面方程