查询词典 first approximation

In this paper, a practical example was offered to analyze the feasibility of the new method by making use of saddlepoint approximation algorithm.

在此基础上，采用鞍点逼近算法进行了算例分析。

With the method of digital approximation, the zoom range of this optical system which meets two basic requirements is calculated out.

在此基础上，通过数值逼近的办法计算了该光学系统在外加电压作用下满足以上两个基本要求时可以达到的变焦范围。

We analyze and compare the advantage and the weakness of these two algorithms, and apply the second method to the approximation of tensor product offset surface.

文中分析和比较了这两种算法的优缺点，并将第二种方法推广应用于求张量积等距曲面的逼近。

Using nerve lengthening apparatus and suitable method of approximation,effective sciatic nerve lengthening can be done.

应用神经延长装置，采用合适的连接方法，可有效的延长周围神经，修复神经缺损。

Varnhorn applied the method of approximate approximation to functions which are defined on compact intervals and investigated the error.

Varnhorn给出了一维紧区间上函数的近似逼近方法，而且还可以控制近似逼近的截断误差。

We study a kind of efficient approximation method: maximum entropy method for multiobjective minimax problems from the point view of numerical computation.

本文从数值计算的角度对求解多目标minimax问题的一种有效的逼近方法：极大熵方法进行了研究。

Simulation results obtained using both artificial and real data show that the estimation performance of the proposed method is a good approximation of the unknown function and the computation complexity is significantly reduced.

最后对人工和实际的样本进行了试验，结果说明了线性规划支持向量回归能较好地逼近被估计函数，且计算复杂度明显降低。

We investigate the scattering properties of periodic arrays of nanoholes in thin gold films by using the method of discrete dipole approximation.

利用离散偶极近似的方法，对具有周期排列纳米孔金薄膜的散射光学性质进行了研究。

In this paper, based on the rational transfinite interpolation, a set of global approximation method namely rational macro-element method was proposed.

基于有理超限插值，提出了一种在求解域边界布点的全域求解数值方法－有理宏单元法。

The theoretical analysis and simulation results show that, based on the differential geometry of the chaotic controller not only can eliminate the chaotic oscillation, but also be able to control the system to any given orbit, the effect was better than the traditional method of linear approximation.

分析和仿真结果显示，基于微分几何方法设计的控制器，不仅能够消除混沌振荡，而且能够把系统控制到任意给定轨道上，控制效果明显优于传统近似线性化方法。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。