查询词典 seidel

In chapter one, firstly, we introduced several kinds of diagonally dominant matrices definition and their connection. Secondly, the relationship between those kinds of matrices and the convergence of some basic iteration methods (such as Jacobi, Seidel and SOR iteration methods) are also mentioned.

第一章，我们先简介了几类对角占优阵的定义及它们之间的关系，并介绍了一些基本迭代法(指Jacobi，Seidel及SOR迭代法等)的收敛性与这些矩阵类的关系。

A general study of the Seidel aberration properties of the flat slab lens systems made from left-handed materials was presented according to the primary aberration theory.

根据初级像差理论广泛研究了由左手性介质构造的平板透镜系统的赛德尔像差特性。

Numerical analysis topic, Gauss- Seidel iterative algorithm Matlab files.

详细说明：数值分析题目，高斯-赛德尔迭代算法的Matlab文件。

The SEIDEL coefficients solved by wavefront fitting with Zernike annular polynomial and Zernike circular polynomial were compared.

比较对于不同遮拦比的环孔径波面采用Zernike环多项式拟合与采用Zernike圆多项式拟合求取SEIDEL系数的差别。

Based on the aspheric off-axis reflection projection system, the Zernike free form surface was adopted to replace the aspheric surface in order to further optimize the system structure. The relationship between Zernike polynomial and Seidel aberration was utilized to improve the system performance.

基于非球面离轴反射式投影系统，提出了采用Zernike自由曲面取代非球面进一步优化系统结构的设计方法，并利用Zernike多项式与Seidel像差之间的关系，优化系统的成像性能。

When the ratio of central obscuration is small, the circular polynomial with 9 terms could take place of the annular polynomial to solve the SEIDEL coefficients in some special situations.

在某些特殊情况下，对于中心遮拦很小的环孔径波面，可以采用9项Zernike圆多项式来代替环多项式进行拟合求取SEIDEL系数。

To form the theory and method of hybrid refractive-diffractive optical design that can join to the Chinese conventional optical design system, the primary aberration theory expressed by PWC about HRD systems has been investigated, and the function relation between Seidel sums and P, W, C, between ∞,∞,∞ and the diffractive lens structure have been established.

为了形成与中国传统光学设计体系相街接的折衍混合光学设计的理论和方法，研究了PWC表示的折衍混合薄透镜系统初级像差理论，建立了赛德尔像差和数与P、W、C的函数关系，以及∞、∞、∞与衍射透镜结构的函数关系。

Because the free form surface expressed by discret points has difficulties in aberration correction, manufacture and test, the Zernike polynomial was adopted to express the free form surface. The performance of this system was optimized on the basis of the relationship between Zernike polynomial and Seidel aberration.

由于离散点表述的自由曲面在像差校正、加工及检测等方面存在困难，提出了采用Zernike多项式表征自由曲面的面形，并利用Zernike多项式与Seidel像差之间的关系，优化自由曲面成像系统性能。

Seidel at the NOAA Air Resources Laboratory in Silver Springs, Md., and colleagues reported earlier this month on Nature Online that the tropical belt also has expanded faster than climate simulations have predicted.

这个月早些时候，美国国家大气海洋局空间资源实验室的迪安·J·塞德尔以及他的同事们在自然在线上发表的报告也指出，温暖带迅速扩散的速度已经超出了模拟气候系统做出的预测。

Based on the Seidel sums formulae of thin lens, four types of NIM thin lenses free from partial primary aberrations are designed with specific parameters and given redundant aberration coefficients.

通过对单块负折射率介质薄透镜的像差特性分析，我们提出了四种只有利用到负折射率介质才具备的可消除部分初级像差的单块薄透镜系统，并给出了相关的系统结构参数和冗余的初级像差表达式。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？