查询词典 approximation methods in physics

Now, meshfree method is an active topic of the recent research in the areas of computational science and approximation theory.

无网格方法是近几年来在计算科学和近似理论中的主要热点研究课题之一。

The last chapter is devoted to applications of real HP spaces to approximation theory.

读者对象：适用于数学专业本科学生及相关专业的学生及科研人员。

In the third part, the design of the controller is based on sliding mode control theory and the approximation capability of fuzzy systems.

第三部分：考虑到摩擦力、未建模动态和干扰对机器人系统的影响，基于滑模控制原理并利用模糊系统的逼近能力设计控制器，应用李亚普诺夫方法设计自适应律，提出了一种新的基于模糊逻辑的自适应模糊滑模控制方案。

Landau's type inequality has some contribution to approximation theory of function and theory of inequality.

Landau's型不等式在函数逼近论和不等式理论具有一定意义。

The paper is organized as follows:In chapter 1 we give a brief review of approximation theory of operators,and present the corresponding research background.

本文由四章组成，其内容如下：第一章首先回顾了算子逼近论的发展及本文所做研究课题的进展情况，并简要介绍了本文的主要内容。第二章主要讨论了q-Bernstein算子对各种函数的逼近性质。

The paper introduces the theoretical basis of the proximate best uniform approximation theory in detail,and applies it to the design of FIR digital filter.

介绍了近似最佳一致逼近原理的理论基础，并将它应用于FIR DF的设计。

The controller is designed by the sliding mode control theory and the approximation capability of fuzzy systems.

由于高频切换会导致被控系统产生抖振，必须改善这种现象来实现系统的良好控制性能。

Electronic structure of tetragonal HfO2 crystal has been calculated using localized density approximation approach of density functional theory.

采用密度泛函理论框架下的局域密度近似，计算了四方HfO2晶体的电子结构，包括能带结构和态密度。

Based on first order ODE approximation theory and Hopf bifurcation theory, the nonlinear motion stability of the train is studied emphatically.

基于常微分方程的一次近似理论和Hopf分叉理论，重点研究了列车系统的非线性运动稳定性。

By using approximation theory and least spuare algorithms, a new data-fusion formula of psychrometric coefficient A was presented.

利用函数逼近理论和最小二乘法，提出了干湿球系数A新的数据融合计算公式。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。