数值技术

According to the present situations of the two production lines and the temperature needed by the producing technics of the heat-exchanger , using the numerical simulation with the Airpark software to analyze the reason why the cooling system can not meet the technicals requirement; with the heat transfer theory computation based on the heat transfer principle, the technical parameters of the cooling sect refer to the system technic and configuration are obtained. That are made for reasonable organization of the airflow of the cooling system and the new cooling equipment achieving the technical requirement. At the same time, it will ease the thermal pollution of the circumjacent environment and improve IAQ of the workshop

根据某厂两条换热器生产流水线的现状和冷却降温的工艺要求，用Airpark 软件进行数值模拟，分析了冷却系统无法满足工艺要求的原因；运用传热学原理进行了设备与环境的传热理论分析和计算，分析了冷却系统无法满足工艺要求的原因，得出了改造所需要的技术与结构参数，并对冷却系统进行合理布局与气流组织，使新的冷却系统发挥了应有的作用，满足了生产工艺的要求，同时也减轻了生产环境的热污染，提高了环境的空气品质。

On the other hand, with the development of digital image processing, interpolation and approximation have been widely used.

另外，随着数字图像处理技术的迅速发展，数值逼近在数字图像处理中也有了广泛的应用。

This wrapper cannot only intercept the functions to record the parameters and the return value but also receiving testing directives to replace calling parameters and the return value with any arbitrary value.

经由包覆的技术，不但能记录相关重要参数，也能接受测试指令进行呼叫参数与返回数值的任意替换。

Techniques:Image Processing ; Astrometry ; Methods:Numerical

技术：图像处理；天体测量；方法：数值

The basic equations are expanded in asymptotic linear equations of each order according to small parameter of incident wave's field by perturbation method.

近年来随着计算技术的发展，有限元等数值法已广泛应用于波与结构相互作用'的计算分析。

People have proposed many different control method to realize the chaos synchronization. This article has conducted the thorough research to the chaotic neural network, introduced the chaos neural network synchronization method. Based on the linear matrix inequality technology and Lyapunov stability theory, we have Studied the synchronized controller design method of the global synchronization, the non-linear global synchronization and the global exponential synchronization. Here we have proposed one kind of synchronization algorithm, through which might obtain the gain matrix quickly and automatize.

本文对混沌神经网络进行了深入的研究，介绍了混沌神经网络同步方法的发展及研究现状，基于线性矩阵不等式技术和李雅普诺夫稳定性理论，分别研究了全局同步、非线性全局同步和全局指数同步的同步控制器实现方法，提出了一种实现混沌神经网络同步的算法，通过该算法可以快速得到增益矩阵的形式，实现混沌系统的同步控制，数值仿真验证了算法的有效性。

In this paper, basic investigation on BARI from the aspects of numerical simulation, experimental simulation and signal processing has been done by means of combining forward simulation with inversion.

本文从数值模拟、物理模拟和数据处理三个方面采用正演和反演研究相结合的方式对反射声波成像测井技术进行了基础研究。

A technique of dynamic mesh is specially introduced in a 2-D numerical wave tank to simulate the green water incident on a fixed FPSO model in head waves and oscillating vessels in beam sea conditions, respectively.

在二维数值水池中特别引进了动网格技术，分别模拟了迎浪中固定FPSO和横浪中振荡船舶的甲板上浪。

This model is completely characterized from the easily measured parameters. The modeling can be used to direct taper fabrication and to analyze optical properties of biconical fibers. Simulation results agree well with the experimental data.

从双锥光纤的工艺实现和技术应用目的出发，建立了可与实验上易测量的工艺参数相联系的高斯型等效双锥光纤模拟理论方法，可用于实际指导双锥光纤的制作及光学特性的分析，数值模拟结果与实验符合得很好。

It is possible to analyse nonlinear power system stability due to the development of the bifurcation and chaos theory and improvement of numerical techniques.

分叉和混沌理论的发展及现代数值计算技术的进步为电力系统中的稳定问题提供了强有力的分析工具。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐