spherical rectangular coordinate

Fixture clamps and programme design of spherical surface machined by numerical control lathe;

数控车床加工球面的工装夹具及程序设计

Study of measuring device of conentricityfor window of spherical surface;

球面壳窗同心度测试装置研究

Evolvement model of photoresist spin coating thickness on spherical surface;

球面旋涂光刻胶膜厚分布的数学模型

Research on Computer Simulation of Machining Sphere by Generating EDM;

球面展成电火花加工计算机仿真研究

An analysis of the intersection of torus/sphere based on coordinate transformation;

基于坐标变换的圆环面/球面相交分析

The meshing process and mesh quality of sphere double enveloping hourglass worm;

球面二次包络环面蜗杆传动的啮合原理与啮合性能

In recent years,a number of data structures for global geo-referenced data sets have been proposed based on regular,multi-resolution partitions of polyhedra and spherical discrete grid is the most promising of such systems.

球面离散网格模型是管理海量数据的有效途径,如何构建球面网格是这类模型的基础问题。

In this dissertation, a new fully decoupled parallel 2-DOF spherical mechanism is presented and studied in many fields, such as structure, kinematics, statics, workspace, physical model of the solution space and so on.

提出一种新型2自由度球面并联解耦机构,并对机构的构型、运动学、静力学、工作空间、空间模型等方面进行了比较全面的研究,最后运用OpenGL进行运动仿真。

According to the important role which the optical parts plays in the modern science and technology, the machining methods and corresponding difficult points of spherical and aspherical optical parts are described.

本文根据光学零件在当今科学技术中的重要作用,阐述了球面及非球面光学零件的各种加工方法及其难点,讨论解决加工难点的方向和可行方法。

Discussion on NC Turing method of the ellipsoid surface;

椭球面数控车削方法的探讨

And it pur forward a new type of computing on the ellipsoid surface or deviating from the ellipsoid surface.

本文建立了椭球面上或偏离椭球面的经纬线长度、曲率半径、龙骨弯曲方向等几何参数的计算模型和方法。

Testing of weak aspheric surface by real-time interferometry;

干涉法实时测量浅度非球面技术

A novel method of fast testing aspheric surfaces;

一种快速检测非球面面形的新方法

Magnetorheological finishing for aspheric surface with nanometer accuracy;

永磁流变抛光纳米精度非球面技术研究

This digital terrain model (DTM) based on the ellipsoidal surface is essentially different from DTM based on projected plane because the Delaunay triangulation net is built based on geodesic coordinate system on regional ellipsoidal surface.

在椭球面上构建Delaunay三角网,与在平面上构网有不完全相同的定义与算法。

In order to overcome the crack,imprecision of geographic analysis and data redundancy caused by the traditional digital elevation model in modeling the large scale terrain, this paper presents a method of global digital elevation modeling based on hierarchical subdivision of the quaternary triangular mesh on ellipsoidal surface.

针对传统的DEM在模拟表达大面积地形时具有存在裂缝、地理分析不精确、数据冗余等问题,在椭球面四元三角格网QTM层次剖分的基础上,提出了一种基于椭球面三角格网层次剖分的数字高程建模方法,该方法避免了上述缺陷。

Study on asphericity of large aperture square off-axis aspherics and applications;

大口径方形离轴非球面的非球面度计算与应用研究

Solution for Best Fitting Spherical Curvature Radius and Asphericity of Off Axis Aspherics;

离轴非球面最接近球面半径及非球面度的求解