conicoid

Testing of aspheric surface, such as aspheric having small deviation from sphere, conicoid and aspheric collimated system;

非球面检测：低陡度非球面、二次曲面及非球面准直系统；

A study of the image of the rotational conicoid lens

旋转二次曲面透镜的成像研究

The experimental result shows that the normal pressure distribution on the surface of the model blade is a conicoid, the maximum of the normal pressure is in the middle of the model blade.

研究结果表明，法向压力在模型铲刀表面呈二次曲面分布，在模型铲刀的中部取得最大值。

The simulation environment for the braking of aircraft was virtualized by conicoid model, planar paste, illumination and particle technology.

通过二次曲面模型、二维贴图、光照以及粒子系统等技术形象地虚拟出了飞机刹车的仿真环境；

The cardinal point and cardinal plane of the rotational conicoid refraction-reflection-refraction system

旋转二次曲面折反折系统的基点和基面

The Principle for Solution Problem of Conicoid Intersection by the Homothetic Curved Surface and Its Application

用位似曲面求解二次曲面交线问题的原理及应用

To Confirm Center Conicoid by Center Coordinate

利用中心坐标确定中心二次曲面

Spherical Aberration Analysis of Refraction Imaging for the Rotational Conicoid

旋转二次曲面折射成像的球差分析

The Optical Power of the Rotational Conicoid Optical System

旋转二次曲面光学系统的光焦度

General method of determination of rotational conicoid profile error

一种通用二次旋转曲面面轮廓度算法

A Simple and Easy Solution to the Equation of Conicoid ′ s Circular Section

二次曲面圆截面方程的简易求法

A new method which derivates conicoid Diameter Plane's equation

一种推导一般二次曲面的直径平面方程的新方法

The conicoid can be generated by the program. Programmed Design of Calculating and Drawing for Ship's Hydrostatic Curves

可生成各种二次曲面、计算船舶静水力。船舶静水力曲线计算和绘制程序的设计

In the last of the paper, two math models, include plane fitting method and conicoid fitting method, are particularly analyzed based on some projects.

最后，结合多个具体的工程实例，对GPS高程拟合的两种数学模型（平面拟合法和二次曲面拟合法）进行了详细分析；

Through the RBF neural network's training and calculation of GPS testing data, the accuracy of RBF algorithm is better than that of the conicoid fitting method.

用实际观测数据进行了试验和仿真，结果表明，用RBF神经网络转换GPS高程的精度优于最小二乘法。

Calculation Method and Formulas of Conicoid Aspherical Degree

二次曲面非球面度计算方法及公式

The method of conicoid fitting and the method of neural networks used for transforming GPS height are introduced briefly in this paper.

简要介绍了转换GPS高程的二次曲面拟合法和神经网络方法。

Compare and Analysis of GPS Height Fit by Polyhedral Function and Conicoid Function

GPS高程拟合中多面函数及二次曲面函数的比较与分析

An Approach Conicoid Boundary Algorithm and its Related Procedure for Tetrahedral Mesh during Refined Process

四面体单元网格加密过程中的曲面逼近算法及程序实现

Research of a solid with complicated conicoid surface's RP

复杂型面实体快速原型的研究

A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors

旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究

The image theory on corrected spherical aberration rotational conicoid

消球差旋转二次曲面的成像理论

Extraction of Conicoid from the Gray Level Image of Its Single View

从单幅灰度图象复原二次曲面体

Approach to the Optical Center of the Rotational Conicoid and It's Thick Lens

旋转二次曲面及其厚透镜的光心探讨

We use least squre method to form conicoid mathematic model and fit the point cloud which has been grouped by octree subpision method.

应用最小二乘法建立二次曲面的数学模型，对于已用八叉树分组的点云数据实现隐函数拟合。

An algorithm for tetrahedron mesh that can approach to the conicoid boundary during the refined process was presented.

本文介绍了一种在四面体单元网格的加密过程中实现曲面逼近的算法。

Spacial Analyse on Intersection Curve of Revolution Conicoid

二次旋转曲面相贯线的空间解析分析

Then, using these methods, and the property that C-Bezier can exact reproduction of conicoid, this paper extend C-Bezier surfaces to engineering surfaces.

最后，利用分割和拼接技术，结合C-Bezier曲面能够精确表示二次曲面的特性，将C-Bezier曲面推广到常见的工程曲面上。

The Location Fixing of the Optical Center of the Rotational Conicoid Thick Lens

旋转二次曲面厚透镜光心的位置确定

Most function surface in spatial structure is conicoid.

二次曲面是空间结构中常见的函数曲面形式。