查询词典 simulation

It puts forward to system compartmentalization , significant functions and design of external interfaces of on-board equipment simulation subsystem by analyzing and research on system structure, functions interfaces of CTCS3 based on SRS of ETCS2. It realized software development of on-board equipment simulation subsystem and significant functions by using C++ Builder 6.0. It realized the function of computing most restrictive speed profiles and dynamic speed profiles, computing on-board odometers, ceiling speed supervision, MA speed supervision, speed comparison intervention, transmitting position report, computing end-point of MA, receiving data by balise etc.

本文通过对CTCS3级系统组成结构、功能、接口的分析和研究，在参照ETCS2级需求规范的基础上，总结出了CTCS3级仿真测试平台中车载仿真子系统的结构划分、主要功能设计、接口设计等，对仿真子系统的软件进行了总体设计，并利用C++ Builder 6.0开发平台实现了CTCS3级车载设备仿真子系统的软件开发，实现了车载设备的主要功能，包括：最严格速度曲线的计算、动态速度曲线的计算、车载里程的计算、顶棚速度监督、MA速度的监督、速度比较干预、发送列车位置报告、计算MA终点，接收应答器报文等功能。

In machining process simulation, the cutter's swept volume represented by the swept polygon of the cutter's profile is to simplify the complexity of material removal simulation.

在虚拟加工中，刀具扫描体被简化表示为刀具扫描体轮廓多边形，简化了仿真计算。

This is my simulation of a modified 8-bit digital tube display with alarm clock program, and with a simulation of Fig.

详细说明：这是我经过修改仿真的8位数码管显示带闹钟的时钟程序，并且附带有仿真图。

Put forward an algorithm called PPSCRIPT (Parallel Pseudo Sequential Critical Path Tracing) for sequential circuit fault simulation, and implemented the algorithm in C language to improve the efficiency of sequential circuit fault simulation.

在时序电路的故障模拟方面作者提出了并行时序电路伪临界路径跟踪算法PPSCRIPT，并用C语言编程实现了该算法，使时序电路的故障模拟效率提高，时序电路的故障模拟是测试中期的问题。

Results show that the convergence is improved evidently.(3). The hybrid model which combines three-dimensional simulation in turbine and zero-dimensional simulation in the other engine components is built in the present paper after learning the zooming technique from NASA. The matching between components in a single-shaft turbojet engine after the turbine retrofitting is studied.

在对以上三种不同层次的数学模型及其解法进行了研究的基础上，鉴于NASA的部件一维仿真与总体零维仿真相结合的ZOOMING技术，本文采用将涡轮的全三维仿真与发动机总体的零维仿真相结合的方案，对某单轴涡喷发动机在涡轮改型后的匹配问题进行了研究。

The math model of the movement,flux and control system of position pump was established by analyzing its working principle,and its hydraulic system simulation model was established based on AMESim.The pressure and flux pulsation of the position pump was analyzed,and the pressure and flux was calculated by simulation when there are sign of wear for the position pump and system flux change.

分析了恒压力轴向柱塞泵的工作原理，推导并建立了液压泵压力流量和压力调节机构的数学模型，并在此基础上以AMESim工程软件为平台建立了轴向柱塞泵的仿真模型，分析了压力流量脉动状况并对液压泵在内部磨损和系统流量变化两种情况下的压力流量进行了仿真计算，对两种情况下泵的工作情况进行分析比较，为液压脉动抑制和故障分析提供了参考。

Engineering College, Air Force Engineering University, Xi'an Shaanxi 710038, ChinaAbstract: The math model of the movement, flux and control system of position pump was established by analyzing its working principle, and its hydraulic system simulation model was established based on AMESim. The pressure and flux pulsation of the position pump was analyzed, and the pressure and flux was calculated by simulation when there are sign of wear for the position pump and system flux change.

分析了恒压力轴向柱塞泵的工作原理，推导并建立了液压泵压力流量和压力调节机构的数学模型，并在此基础上以AMESim工程软件为平台建立了轴向柱塞泵的仿真模型，分析了压力流量脉动状况并对液压泵在内部磨损和系统流量变化两种情况下的压力流量进行了仿真计算，对两种情况下泵的工作情况进行分析比较，为液压脉动抑制和故障分析提供了参考。

In this paper, the principle of variable speed pump control hydraulic differential cylinder is designed, and the simulation model of system is built, and the simulation research is carried out.

给出了采用变转速泵控闭式回路控制差动缸的原理，建立了该系统的数学模型，进行了计算机数字仿真研究。

This paper aims to study some important problems of clutter modeling and simulation, which include as follow:According to the principle that each quadrature component of K-distributed clutter can be modeled, exactly or approximately, by a weighted sum of products of two independent Gaussian variables, a new method for modeling and simulation of correlated coherent K-distributed clutter is presented.

本文对海杂波的分析与建模中的几个关键问题进行了研究，主要包括以下内容：根据K分布杂波的两个正交分量可由两列相互独立的高斯矢量的加权乘积和精确或近似构成的原理，本文提出了一种新的相关相干K分布杂波建模与仿真方法。

In this paper the basic principle of dynamic simulation with PSS/E is presented; the effectiveness and adaptability of flexible HVDC power transmission model are analyzed, and on the basis of actual power system the quasi steady-state VSC-HVDC dynamic model VSCDCT is simulated. Simulation results show that it is available to apply PSS/E in transient stability analysis of practical large-scale AD/DC power system.

介绍了PSS/E动态仿真的基本原理；分析了柔性直流输电模型VSCDCT的有效性和适用性，并基于实际系统对准稳态直流动态模型VSCDCT进行了仿真研究，仿真结果表明 PSS/E直流模型能够满足大规模交/直流系统仿真的要求。

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。