查询词典 simulation

The velocity distribution of jetting penetrator charge under different initiation ways was s tudied by theoretical analysis. The numerical simulation results coincide with the theoretical analysis, a practical method of numerical simulation and material model parameters were obtained.

并通过理论分析研究了不同起爆方式下所形成的杆式射流的速度分布，数值模拟结果与理论分析吻合较好，得到了一套实用的数值模拟方法及材料模型参数。

A simulation model was set up. Simulation outcome shows that compensating torque can be rapidly regulated according to demands of dynamic loading.Stable-state error is less than one percent,and dynamic error is much more less than that of traditional PID.In the

建立了仿真实验模型，运行结果表明：补偿转矩能够根据动态加载的要求进行快速调整；稳态运行速度误差小于1%，动态误差远远小于传统PID控制。

At last,simulation research is carried out on radar echo of two same frequency vibration scatter points.Theoretical annlysis and simulation result indicate that the model is effective and that the periodicity of amplitude modulation function and phase modulation function is invariable as the number of scatter points increased,but,their amplitudes are variational.

最后对两个同频振动散射点合成雷达回波进行了计算机仿真研究，理论分析和仿真结果表明，该模型是有效的，并且随着同频振动散射点数的增加，其幅度调制函数和相位调制函数的周期性不发生变化，只是它们的值会随着振动点数的增加而改变。

Using AMESim software, the vector control three phase asynchronous motor simulation model was established based on the analysis of the principle of three phase asynchronous motor simulation.

建立变频液压容积调速和节流调速相结合的复合调速系统，通过分析矢量控制三相异步电机的原理，利用AMESim软件建立了矢量控制的三相异步电机的仿真模型，并与液压系统仿真模型相结合，建立了矢量控制变频液压容积节流调速系统的仿真模型。

A compound hydraulic system with variable frequency control, a throttle and variable displacement speed control was established. Using AMESim software, the vector control three phase asynchronous motor simulation model was established based on the analysis of the principle of three phase asynchronous motor simulation.

本文将节流调速和变频液压技术有机地结合起来，以解决变频液压容积调速在大惯量、低转速、变负载系统中的应用问题，利用AMESim软件建立了矢量控制的变频液压容积节流调速系统仿真模型，并对该系统进行了性能仿真。

These results indicated that this simulation method could factually express air environment in the piggery, and it was an effective method for air temperature and airflow speed simulation in piggery.

表明使用CFD模拟方法能够真实表达猪舍内气流状态，对猪舍内温度场和气流场的模拟是一种有效的方法。

To fully utilize the advantages of 3S technologies, crop growth simulation model and crop management knowledge model, and to grope info the integration method and application mode of key technologies in precise farming adapted to Chinese circumstance, a model and 3S-bascd digital wheat farming system was developed based on plentitude combination of wheat growth simulation model, wheat management knowledge model and 3S technologies.

为了充分发挥和利用3S技术、生长模型和管理知识模型的优势，探索适合中国国情的精准农业关键技术集成方法及应用模式，以软件开发方法论为指导，充分结合小麦生长模型、管理知识模型和3S技术，应用ASP。

In this paper, the main parameters of poison gas's numerical simulation are analyzed on the basis of studying of the numerical simulation and dynamic emulation of poison gas leakage and diffusion possibly occurring in the destructive earthquake.

本文在破坏性地震中可能发生的次生毒气泄漏与扩散灾害的数值模拟与动态仿真研究的基础上，分析了影响毒气扩散的主要参数。

RTM process simulation gives veracious guidance to mould development and com- ponent manufacture. composite ; resin transfer molding; simulation ; permeability ; H-wallboard

但是，由于RTM工艺过程在闭合模腔内完成，有很多影响成型和产品性能的工艺参数：注射压力/流动速率、树脂豁度、纤维渗透率、模具和树

First backward simulation was made by using population parameter method to quickly get an approximate workblank,and then forward simulation was made by using incremental method to modify the workblank outline for the purpose of getting comparatively accurate outline dimension.

介绍了一种用于冲压毛坯设计的新方法——基于正、反向模拟的毛坯外形设计技术，即先用全量法进行反向模拟，快速得出近似的坯料，再用增量法进行正向模拟修正毛坯的外轮廓，从而得到比较精确的坯料尺寸。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。