查询词典 simulation

The mathematical model, the simulation model and control model of marine refrigeratory system of 5440TEU container ship are established based on the MATLAB Simulink integrated modeling and simulation environment.

基于MATLAB的Simulink集成建模与仿真环境，针对5440TEU的集装箱船的船舶冷库系统建立了压缩机数学模型、仿真模型及控制模型。

By contrasting the data of simulation with those of testing, the maximum relative error for simulation is 1.3% in comparison with the measured data.

与实测数据比较表明，仿真数值的最大相对误差为1.3%，为双金属复合管的设计和工艺制订提供了理论依据。

In order to study this question, author have done the following four things: first, have tested more than forty times in WUHAN—the typical region which hot in summer and cold in winter, second, use Ventilation Simulation software to do some simulation test; third, investigate some residenter's subjective recept over their house; fourth, reading some paper. Through studying ventilation, sunlight, periphery component, I have thorough discussed some house design theory compatible to this special climate.

为了这个目的，作者在武汉——典型的夏热冬冷地区进行了冬季与夏季大量实测实验、通风模拟软件PHOENICS的模拟试验、广泛的居民就住宅主观感受问卷调查，以及众多的文献阅读，从住宅的通风、日照、外围护构件等方面着手，深入研究了该地区住宅适应气候的设计方法，努力寻求一种最适合夏热冬冷地区住宅的气候适应方式。

The simulation studies are carried out for getting the accurate parameters of the production function. The simulation results show that this algorithm has fast optimization speed and which possesses minimum regression residual sum of squares.

以美国马萨诸塞州1820－1926年的产值、资金投入和劳动力投入数据做仿真实验，结果表明，该算法在生产函数参数估计中具有寻优速度快的特点﹐且可得到最小的回归残差平方和。

Finally, we simulate the relationship of the residuary intensity modulation coefficient and the scale factor stability of fiber-optic gyro by using the Matlab simulation tool. The simulation results further explain the effect of residuary intensity modulation on digital closed-loop fiber-optic gyro scale factor stability.

最后，对所得出的残余强度调制系数与光纤陀螺标度因数稳定性的关系进行了Matlab仿真，通过仿真结果，更进一步说明残余强度调制对数字闭环光纤陀螺标度因数稳定性的影响。

Numerical Simulation and Experimental Investigation on A Thermoacoustic Engine with Tapered Resonance Tube A symmetrical standing-wave thermoacoustic engine with tapered resonance tube has been numerically simulated with liner thermoacoustics. The simulation shows that using tapered resonance tube in thermoacoustic engine could decrease the velocity amplitude and lower the total acoustic power loss in the resonance tube. The experimental results indicate that the harmonic was suppressed effectively by using the tapered resonance tube, and the pressure ratio was improved.

采用锥形谐振管的热声发动机的数值模拟和实验研究利用线性热声理论，对一台采用锥形谐振管的驻波型热声发动机进行了数值模拟，发现采用锥形谐振管可有效降低工质气体的速度振幅，进而减小在谐振管中声功率的损失；与一台在相同频率下工作的采用等直径圆柱谐振管的驻波型热声发动机进行了实验对比，结果表明，在使用锥形管作为谐振管的热声发动机系统中，谐振管中的非线性效应得到了明显的抑制，热声发动机在基频模式下稳定运行，压比增大而加热温度降低。

A simulation is done between MAODV and AODV with software. From the simulation results under different node speed, it indicates that MAODV could decrease the average of ETE delay and offer lower routing overhead effectively. MAODV can complete routing discovery, package retransfer and self-organize when the network topology is changed, MAODV routing protocol is useful to establish Ad hoc networks in military communication.

应用软件对MAODV路由协议和传统的ADOV路由协议进行了仿真，通过在节点不同移动速度下的网络性能进行仿真比较，结果表明，MAODV路由协议能有效地减小分组端到端传输的平均时延，降低协议开销，能够根据网络的拓扑变化进行自组织，完成路由的发现和分组的中转等基本功能，为自组网在军用通信中的运用奠定了基础。

SVPWM based on the realization of the permanent magnet synchronous motor simulation, simulation results than traditional direct torque control torque ripple small, fast response, good robustness.

详细说明：实现了基于SVPWM的永磁同步电机仿真，仿真结果比传统直接转矩控制转矩脉动小，响应快，鲁棒性好。

In this thesis we introduce this theory into the traffic simulation of cloverleaf and provide a new method in research of the urban traffic simulation. In this system, we use the modeling method of multi-Agent to build the Road Agent, Vehicle Agent, Detector Agent, etc and also provide the intellective decision-making unit and communicate pipe for each Agent.

本文将多智能体技术引入到了立交交通仿真中，采用多智能体的系统建模思路，将车辆、道路、检测器等以智能体的形式建模，并为每个交通元素建立独立的智能决策单元及相互通信的通道，使整个交通仿真系统在各交通智能体的不断交互过程中完成整个仿真系统的运行。

When using Runge - Kutta method in digital simulation for continuous systems, in order to ensure the stability of numerical computation and make simulation results having enough accuracy, the step - change strategy is usually adopted.

在使用龙格一库塔方法对连续系统进行数字仿真时，为了保证数值计算的稳定性以及仿真结果具有足够的精度，通常采用变步长策略。

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％。