查询词典 approximation

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。

Approximation theory of real sliding mode in variable structure control of time-delay singular system.

时滞广义变结构控制系统的实滑模近似理论。全球智能控制与自动化大会， 2006，

In Chapter 2, we will give an introduction into the theory of Diophantine approximation for formal Laurent series over a finite base field.

在这一节，我们发展一些重要的基本性质，例如：广义Borel-Cantelli引理及数论中类似的结果等。

Later he moved into diophantine approximation and transcendence theory .

稍后，他又将精力集中在对丢番图逼近和超越理论的探讨上去了。

Diffusion approximation theory is often used as basis of the experiments and methods in determining the optical properties of biological tissues.

漫射近似理论经常被用来作为测量生物组织光学特性参数实验和方法的理论基础，但是漫射近似理论只是一种对辐射传输理论的近似结果，在一定条件下有其特定的适用范围。

Spline functions are importan tools in approximation theory and numerical analysis.

多元样条是计算数学与函数逼近论领域里重要的工具。

This dissertation first presents a simple introduction of some important basic problems ofoperator approximation theory,and history and research status of wavelet theory.

全文首先介绍了算子逼近理论的一些重要基本问题以及小波理论发展的历史和现状，指明了线性正多项式算子逼近收敛阶的受限性。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。