查询词典 simulation

The IR flight scene simulation is an important research direction of the flight simulation and it is worthful in military and economy.

目前，红外飞行视景仿真已成为飞行仿真的一个重要研究方向，具有重大的军事和经济意义。

The paper has studyed the characteristics of seismic wave field in the media of EDA, and has made out three aspects of numerical simulation on wave field features by using definite difference: The simulation of P-wave ground seismic logs in the media of EDA; the diagnostic complication of seismic wave field in cranny belts due to the scattering of cranny wrappage; the decreasing of amplitude and the reversing of polarity of the wave reflected on not only the top but also the bottom of fracture zone.

2通过罗67井岩芯的系统研究表明，泥岩的横波和纵波速度随温度增大而降低，一定温度条件下随为压力而增大；泥岩裂缝的测井曲线一般表现为高电阻率、负自然电位异常、低声波时差，利用该规律可以半量定地识别划分泥岩裂缝储层特征，为解决不同度数据的相互匹配这一重点和难点问题提供了思路和方法。

And the axial and horizontal section temperature distributions of simulation were compared with the results of the experiments. They were almost identical except some difference near the heating tubes. The results of the simulation were used to compute the local heat transfer film coefficients on the out surface of vertical tubes at different height.

利用计算流体力学软件CFX-4对层流状态下PBT桨搅拌槽中甘油的温度场进行了数值模拟，并将所计算的轴向、水平剖面温度分布与实验所测量的结果进行了对比，发现虽然在列管附近二者存在着一些差别，但模拟结果基本可以反映槽内温度场的分布情况。

In this paper, based on the software defined simulation for communication system, the system design is discussed, the courses of definition and execution the system and anatomized; system parameters control and mature simulation tools embed are...

本文针对通信系统软件可定义仿真，讨论了系统的设计思路、剖析了定义与执行系统的过程，介绍了系统参数控制的实现以及嵌入成熟仿真工具的方法。

In this paper, based on the software defined simulation for communication system, the system design is discussed, the courses of definition and execution the system and anatomized; system parameters control and mature simulation tools embed are introduced.

本文针对通信系统软件可定义仿真，讨论了系统的设计思路、剖析了定义与执行系统的过程，介绍了系统参数控制的实现以及嵌入成熟仿真工具的方法。

The antagonizing simulation result of a cruise and a SAM was showed with 3D scene simulation technology.

在巡航导弹和地空导弹对抗仿真系统之上，将仿真结果以三维视景仿真技术展示。

The ANFIS simulation constructure of antis automatic gearshift on TY165EH bulldozer is established, and the simulation results are prented.

本文建立了TY165EH推土机自动换挡的ANFIS仿真结构并对其进行了仿真研究。

A good data processing software pack〓ge, which performs pre-processing and post-processing activities, is one of essential tools for simulation studies and the basis of automatizing simulation system performance testing, evaluating and parameter ajusting.

优良的数据处理软件包是系统仿真事前/事后数据处理所必不可少的工具，也是实现仿真系统性能测试、评估与参数调整的自动化的基础。

To overcome the bad effect resulting from the nonlinearity time-variability and uncertainty on autopilot system performance during the motion process of aerodynamics missile, and to further improve the flight quality of missile, the autopilot system and used control method are researched. Firstly the integrant structure of system is discussed; then baaed un introducing the traditional PID method, controllers for missile attitude motion are designed respectively using fuzzy self-turning PID method and neural network self-adaptive PID method; at last a simulation experiment is finished. By comparing the simulation results that the designed controllers have good qualities is showed, and the feasibility and validity of applying fuzzy control and neural network into automatic control of aerodynamics missile is confirmed, and the base that other nonlinear control theory can be combined with the traditional control for missile to further improve the performance of missile control system is established.

为了克服飞航导弹运动过程中的非线性、时变性和不确定性对自动驾驶仪系统性能的不良影响，进一步提高导弹的飞行质量，对自动驾驶仪系统及其采用的控制方案进行了研究；首先对系统的整体结构进行了分析，然后在介绍经典PID方案的基础上，分别采用模糊自调整PID方案和神经网络自适应PID方案设计了导弹姿态运动控制器，最后进行了仿真实验；仿真结果的对比展示了所设计控制器良好的品质，验证了将模糊控制和神经网络应用于飞航导弹自动控制中的可行性和有效性，为其它非线性控制理论与导弹传统控制相结合以进一步提高导弹控制系统的性能奠定了基础。

This paper introduces the main function and feature of special software SystemView used for communication systems simulation,discusses its application on communication systems simulations,and investigates an example of communication system simulation basted on SystemView.

介绍了通信系统仿真专用软件工具 SystemView 的主要功能和特点，讨论了 SystemView 在通信系统仿真中的应用，给出了仿真和分析的具体实例

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％。