symmetrical confocal geometry是什么意思

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用法例句

Based on global geometric symmetry, the original Hough transform (HT) is improved, and a 3 stage approach to extract ellipses or circles is presented.

基于椭圆和圆的对称性，对传统的霍夫变换检测曲线方法进行改进，提出分三步快速检测椭圆和圆的方法：（１）利用椭圆的几何对称性，快速确定可能的形心，生成相应子图，并滤除图象中的噪声；（２）在各子图中由边界点梯度向量和候选形心坐标，获得椭圆旋转角和长短轴比率；（３）根据椭圆参数方程确定椭圆的长短轴，并验证所检测到的椭圆。

The (e,2e) triple differential cross sections for He(1s2),Ar(3p6)and Ar(2p6)have been calculated using the modified distorted wave Born approximation (DWBA) in coplanar asymmetric geometry.

采用修正后的扭曲波玻恩近似(DWBA)理论,计算了共面不对称几何条件及大能量转移和小动量转移条件下的He(1s2),Ar(3p6)和Ar(2p6)(e,2e)反应三重微分截面。

In this paper, four basic elements of shaped charge liner material,such as density, sound velocity, physical symmetry and geometric symmetry , were summarized, and effect of the above four basic elements on application performance was discussed.

总结了药型罩材料技术的四个基本要素,即密度、声速、物理对称性和几何对称性。

Through the use of geometric symmetry of a circle, a robust subpixel algorithm for the center of circle detecting is presented.

本文利用圆的几何对称性，提出一种在亚像素精度快速定位圆心的算法。

A class of product type 12—parameter rectangular ele- ments with geometric symmetry are constructed,The convergence of these elements are proved,The general forms and conditions for the high order terms to satisfy are given.

本文用双参数法,通过改变ACM元形函数空间后二个基函数(高阶项),构造了一类具有几何对称性的乘积型矩形板元,并证明了其收敛性;同时给出了这种高阶项的一般形式。

The main purpose of this dissertation is to analyze and discuss the regular fracture of geometrically asymmetric samples.

本文的主要目的在于对几何非对称试件的规则断裂问题进行分析探讨。

Coplanar Asymmetric(e,2e)Theoretical Calculation for Xe 4d

共面不对称几何条件下Xe 4d(e,2e)反应的理论研究

(e,2e) Collisions-ionization of Helium in Non-coplanar with Symmetric Scattering Angles but Non-symmetric Energies;

非共面对称不等能几何条件下电子离化He的(e,2e)反应

Unbounded Solutions of the Resonant Asymmetric p-Laplacian Equation

共振条件下一类不对称p-laplacian方程的无界解

The Game Analysis on Innovative Information Sharing and Supply Chain Performance under Asymmetric Information;

信息不对称条件下创新信息共享与供应链绩效的博弈分析

B-spline Curve and Surface Reconstruction under Geometric Constraint;

几何约束条件下的B样条曲线曲面重构

The Strategic Choice between Exports and Outward FDI Under Cost Asymmetry;

成本不对称条件下出口企业在面对反倾销时的战略选择

Specific Geometrical Conditions and Application on the Projected Circle of an Oblique Elliptic Intersection Line on a Surface of Body-tilted Cut;

曲面斜截体椭圆投影成圆的几何条件及其应用

always safe geometry

【核】恒安全几何条件

Coordinating Supply Chain with Revenue-Sharing Contract Under Asymmetric Information;

非对称信息条件下供应链收入共享契约协调

Supply chain information sharing mechanism under the condition of asymmetric demand information;

非对称需求信息条件下的供应链信息共享机制

Contingency Management of Supply Chain with Asymmetric Information;

不对称信息条件下的供应链突变管理

Credit Risks Management of Corporation with Asymmetric Information;

不对称信息条件下公司信用风险管理

Parallel ILU factorization Preconditioners for Symmetric M-matrix;

对称M矩阵的并行不完全分解预条件

The Consumers Choice under the Circumstances of Information Dissymmetry;

信息不对称条件下的消费者行为选择

Dicusssion on the Development of Book Market Under the Condition of Information Asymmetry;

论信息不对称条件下图书市场的发展

Dynamic Phasors Modeling of the VSC-HVDC Under Unbalanced Conditions

不对称运行条件下VSC-HVDC动态相量建模

Resources and Information Openness on the Condition of Information Dissymmetry

信息不对称条件下资源信息公开探析

Research on Screws System Dependency under Different Space Geometrical Condition;

空间不同几何条件下螺旋系相关性的研究