查询词典 simulation

These simulation analyses establish six digging schemes. The results of simulation indicate that the stress changes during the jambs excavation procedure. Also the six schemes compare with each other to determine the preferred scheme. The elementary judgment of the stability of the jambs during the excavation procedure and suggestions for the jambs excavation are made nowadays.

模拟分析制定了六种采掘比选方案，通过对六种方案的模拟及结果的研究对比，确定了优选方案，明确了矿柱开采过程中的应力变化情况，对矿柱在开采过程中的稳定性做出了初步判断，提出了现阶段进行矿柱开采的建设性意见。

Based on the detailed analyzing of impact system working process, the differential eguation of the system was got, and the mathematical model of the hydraulic impact system was builted, on basis of the mathematical model, By using of dynamic simulation function of Matlab ,the author has built the simulation model of the impact system based on software Simulink and run it after inputting the parameter ,the dynamic graph curve of impact velocity and presser of oil and position of knife rest were got, and the dynamic characteristic of impact system was analyzed,the simulated results are accorded with the fact,and some rational parameters can be found.

在对冲击式采煤机液压冲击系统工作过程进行详细分析的基础上，运用微分方程建模方法，建立了液压冲击系统的数学模型即系统的动态方程，并在该数学模型的基础上，采用Matlab中的Simulink动态仿真功能，建立了基于Simulink的冲击系统仿真模型，通过给定冲击式采煤机冲击系统的相关参数，对该系统进行仿真，得到了冲击式采煤机工作过程中冲击速度和油液压力以及刀架位移的变化曲线，进而对冲击系统的动态特性进行了分析，结果与实际情况较为吻合，并由此得出某些合理的参数。

The statistic results show that the cost of experiments doubled every ten years because the price of the laboratory apparatus and the cost of labor force increase. On the other hand, the cost of computer simulation decreases due to the improvements of the computer hardware and software technology. Thus more and more researchers focus their interests on the technology of computer simulation.

近年来随着实验仪器、劳动力成本的增加，人们做实验的花费也随之成倍增长，据估计每过十年实验的成本就要翻一番，另一方面，采用计算机来模拟实际体系的成本却随着计算机硬件和软件技术的进步而不断下降，因此分子模拟技术越来越受到相关领域研究人员的关注。

The basic principle, advantages and disadvantages of the II were summarized. Computer-generated II based on 3DS MAX was proposed. The captures of three-dimensional information for II using 3DS MAX simulation and the display of three-dimensional information using an experiment assembly composed of a display screen and Fresel lens arrays were realized, respectively. The combination of the simulation and experiment resolved the flipping and crosstalk in conventional II.

介绍了集成成像技术的基本原理及其优缺点，提出了一种基于三维设计和动画制作软件3DS MAX的II技术，利用3DS MAX来实现II的三维信息的记录，利用显示器和菲涅尔微透镜阵列组成的实验装置实现II的三维信息的重现，解决了常规II技术存在的空间反转和串扰问题，从而研制出基于II技术的原理性裸眼三维显示器。

Kinematic simulation is conducted on the mechanism.Integrating simulation technology, finite element analysis and optimal design technology, structure optimizing and light weight design are conducted on some key components in the lifting mechanism.After shape and dimension optimization on the triangle plate in lifting mechanism,its mass is ddecreased by 5.48 kg while the stress level is only increas.

将仿真技术、有限元分析和优化设计技术相结合，对举升机构中的关键零部件的结构进行优化和轻量化设计，对举升机构中的三角板进行形状尺寸优化后，在质量减轻5.48kg的情况下，应力水平仅增加6.1MPa，小于许用应力，完全能够满足举升工作要求。

At present the company mainly devotes to the plush toy's development and the production, Besides the traditional toy productivity, we also have developed a series of new products such as sea simulation plush toy's product, for example: Simulation fish, turtle, lobster, crab and so on.

目前公司主要致力于毛绒玩具的开发与生产，目前除了拥有传统的玩具生产能力之外，还研究开发一系列的针对于海洋仿真毛绒玩具的产品，例如：房展鱼类，乌龟，龙虾，螃蟹等。

NC lathe virtual manufacturing whole machining environment chip simulation machining quality simulation

数控车床；虚拟制造环境；全景仿真；切屑仿真；加工质量仿真

Based on the theoretical model coupling Maxwells equation with the rate equation of 4 level inverted population, the numerical simulation is made via the FDTD method and MATLAB programs. The simulation results show that 1. With the increase of the pumping rate, both the localization of the electric field and the spectrum mode numbers will change; 2. The lasing threshold decreases by increasing the size or concentration of the scatters; 3. The lasing threshold also decreases by increasing the size of samples or strengthening the sample randomness.

在理论和实验研究的基础上，利用麦克斯韦方程与四能级反转粒子数的速率方程相耦合的理论模型，采用时域有限差分方法和MATLAB程序对随机激光泵浦阈值特性进行了数值模拟与计算，模拟结果显示：随着泵浦速率的增大，出现了阈值前后电场强度局域态及频谱模式数的改变；随着散射体粒径的增大，浓度的增大，阈值呈现下降的趋势；随着样品长度的增大，随机强度的增强，阈值也呈现下降的趋势。

Our research provides a platform for simulation and analysis critical infrastructure protection. We defined a process along with common components to modularize simulation tools and to make the development easier.

本研究提供关键基础建设防护量化评估的平台，针对不同目标的模拟，订出共通的流程及元件，使模拟工具模组化，以增加开发的便利性。

The usage technique of radar for high-speed ship s to prevent collision in Three Gorges reservoir;2. Research on Modeling and Simulation of High-speed Ship CPP Propulsion System;3. Based on three typical high-speed ship (high-speed monohull ship,planning hydrofoil craft,wave-piercing Catamaran),a mathematic models of high-speed ship ′s propulsion system(common screw propeller,adjustable-pitch propeller, water-jet propeller) and intelligent control system are established the simulation with the help of Matlab/Simulink is realized.

以三种典型的高速船(高速单体船、翼滑艇和穿浪艇)为例，建立了其推进(普通螺旋桨、可调螺距螺旋桨及喷水推进)系统及智能控制的数学模型，并在Matlab/Simulink上实现仿真；建立了推进系统的优化数学模型，编制了优化算法(混沌算法、遗传算法和粒子群算法)程序，实现了智能推进系统的优化设计；最后，运用Matlab/GUIDE进行界面设计，编制了高速船智能推进系统仿真与优化软件，实现了良好的人机互动。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。