查询词典 simulation

And this paper built a simulation model of distribution system with discrete requirement through computer simulation software.

通过计算机仿真，文章对离散需求的分销系统进行了模拟，并将结果与凸规划模型进行了比较，结果证明，凸规划模型在离散需求情况下也是基本适用的。

Discrete event system simulation is one of the important field of modern simulation.

离散事件系统仿真是现代仿真技术的主要研究热点之一。

Based on the simulation principle of discrete events system,a simulation model is established.

在此基础上，基于离散系统仿真原理，建立了系统仿真模型，通过仿真实验，对该库存系统模型进行了分析，最后探讨了模型的扩展。

This paper describes the structure of the seven sections of digital tube that principle, the principle of dynamic scanning, decoding principle, and on this basis, using hardware description language VHDL programming cathode seven sections of digital tube a total of four digital display of the cycle 1 - F, and Quartus Ⅱ platform in the realization of the modules on the timing and top-level simulation of timing simulation module, downloaded to the final realization of the development board of the digital characters and the show rolling.

本文还介绍了七段数码管的结构，显示原理，动态扫描原理，译码原理，以及在此基础上用硬件描述语言VHDL编程实现4位共阴极七段数码管循环显示1-F，并在QuartusⅡ平台上实现了各个模块的时序仿真和顶层模块的时序仿真，最后下载到开发板上实现了数字和字符的滚动显示。

Research on the flux boundary conditions in the numerical simulation of line-heating process With the development of computer technique in recent years, the numerical simulation method has been applied more and more widely for the research of distortional mechanism and regulation in line-heating process.

1水火弯板数值模拟中热边界条件的研究近几年随着计算机技术的发展，数值模拟法在对水火弯板变形机理和变形规律的研究中得到了越来越广泛的应用。

In accordance with the current research state of track circuit and the domestic practical demand, digital simulation modeling of track circuit working state analysis and antiinterference analysis is studied in this dissertation, as well as the design and realization of the digital simulation program.

论文针对当前轨道电路系统的研究状况和国内的实际需求，研究了轨道电路工作状态分析和抗干扰特性分析数字仿真模型的建立、数字仿真程序的设计与实现等问题。

Based on the theory of large eddy simulation and the method of VOF , the initial breakup process of fuel liquid jet, which eject from the nozzle exit at the time scale of micro-second level, is investigated. The mechanism of primary atomization is analyzed, and the initial breakup model of liquid jet is presented. By modeling and numerical simulation of atomization for a diesel nozzle under the given conditions, the initial umbrella-like spray shapes are obtained, which fits better with the experimental results. Meanwhile, the droplets secondary breakup process, such as leeward RT breakup, dumbbell-like breakup and droplets coalescence, etc. are exhibited visually.

基于大涡模拟LES理论和VOF方法，考察了燃油喷雾初始时刻即时间尺度为微秒级的液柱破碎过程，分析了初始破碎的机理，给出了该时间尺度下液柱初始破碎过程的模型；通过对一特定条件下的柴油机喷油器的建模和喷雾过程的大涡数值模拟，获得了液柱初始时刻"伞状头部"的喷雾形态，所得计算结果与相应的试验数据符合较好；数值模拟还直观地展现了液滴背风RT破碎、哑铃型破碎以及液滴的聚集融合等液滴的二次雾化过程。

Simulation research is divided into two parts, i.e., dynamic simulation and static optimization.

对城市土地利用系统从动态和静态两个层面进行了仿真研究。

A simulation-based numerical analysis method of EDD scheme, which is proposed in this thesis, can solve this problem successfully. The consistence between numerical analysis and simulation result strongly proves that the proposed numerical analysis method is correct.

本文提出了一种"基于计算机仿真的各优先级业务信元时延分布"数值分析方法，与计算机仿真结果的基本吻合证明了此方法的正确性。

Pair of EDH structure catalyst flow field carries on the value simulation simulation, discovered the EDH enlargement mode expansion tubular construction may improve the catalyst obviously the speed of flow distribution, and can reduce the flow resistance, is one kind of effective expansion tubular construction form.

4对EDH结构的催化器的流场进行数值模拟仿真，发现EDH增强型扩张管结构可以较为明显地改善催化器的流速分布，并能降低流动阻力，是一种有效的扩张管结构形式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。