查询词典 uniform approximation

With some modifications of Laplace\'s approximation,we obtain uniform asymp-totic formulas for the Stieltjes-Wigert polynomial,the q~(-1)-Hermite polynomial and the q-Laguerre polynomial.

通过将Laplace逼近方法做一些改进，我们得到一些关于Stieltjes-Wigert多项式，q~(-1)-Hermite多项式和q-Laguerre多项式的一致渐近公式。

The harmonic field of electric dipole source on the uniform earth surface is converted into transient field by inverse Laplace transform,and the Bz/ t transient curve is calculated.The Hz transient curves on the stratified earth surface are obtained from cosine transform calculated by broken line approximation.

由逆拉普拉斯变换将均匀大地面上的电偶极子源谐变电磁场转换为瞬变电磁场，并计算出Bzt瞬态曲线；对分层大地面上的瞬变电磁场，采用折线逼近法计算余弦变换得出Hz瞬态曲线。

The empirical approximation methods can be applied to study uniform consistency, robustness, strong consistency of the maximum likelihood estimator of statistical estimators.

本文采用的经验逼近方法可应用于研究随机规划统计估计问题的一致相合性、稳健性、极大似然估计的强相合性。

Firstly, we prove a relation between moment condition and accuracy; Secondly, a uniform estimate for interpolation approximation is obtained; Finally, some examples are provided.

首先给出精度与矩条件的关系；其次证明插值逼近的一致估计；最后是例子。

Those fuzz systems, their structural characters, the basic approximation properties and uniform convergent properties of them are compared by using the fuzzy basis functions.

利用模糊基本函数形式化描述模糊系统的方法，比较了它们的结构特征，以及由此导出的模糊推理系统的各种逼近性质。

Firstly, we prove a relation between moment condition and accuracy; Secondly, a uniform estimate for interpolation approximation is obtained; Finally, some examples are provided. The paper is organized as follows: In Chapt...

论文按如下方式组织，第一章给出本文所用的记号、概念、研究背景和主要结论；第二章给出一元插值逼近的相关结果；第三章将第二章的结论推广到二元情形。

The ground-state binding energy of an exciton confined in quantum wires and quantum wells in the presence of a uniform electric field has been calculated under the effective-mass approximation using variational approach.

本文采用变分法研究了外加电场下无限深方形量子线中重空穴激子的束缚能，我们用平面波展开的方法求解在电场作用下无限深方形量子线中电子和空穴的基态能和基态波函数及低激发态的能量和波函数，并用所得到的波函数进一步计算激子的基态及低激发态的束缚能，最后计算了激子的Stark能移。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。