查询词典 simulation test

Clinical requirement in dental simulation is firstly analyzed and performance goal of haptic display is proposed. Based on characteristics of human haptics, software system of surgery simulation and force rendering is developed and prototype of surgery simulation system is established using Phantom desktop. Dental exploration and cutting operation in cavity preparation are simulated with haptic and graphical display capabilities.

全文首先通过分析牙科手术模拟的临床需求，提出了力觉显示手术仿真系统的模拟指标；针对操作者触觉生理学特点，基于力觉交互设备Phantom desktop，开发了手术仿真和力觉渲染软件，建立了手术模拟原型试验系统；以牙面探查和牙体预备中的切削操作作为研究对象，实现了力觉和图形集成显示的手术操作过程模拟。

To solve the problem of channel with distortions, an adaptive circuit is configured by a new laddered method based on relevant articles, and simulation study was made on four dimensional Chua's chaos oscillator. The simulation results demonstrated that: synchronization of two chaotic oscillators can be achieved when adaptive circuit has adaptive capability. Synchronization of two chaotic oscillators cannot be achieved when adaptive circuit has no adaptive capability. Simulation studies were done for five scroll chaotic oscillators that achieve bond-orbit, coupling and pulse synchronization.

为了解决信道畸变问题，根据相关文献提出的梯度法，本文构造了一种自适应同步电路，并以四阶变型蔡氏混沌振荡电路为例进行仿真研究，仿真结果表明：当自适应同步电路具有自适应效应时能实现有噪声干扰情况下的两个混沌振荡电路的同步；若自适应同步电路没有自适应效应时，则不能使两个混沌振荡电路同步；以5涡卷混沌振荡电路为例用键波同步法、耦合同步法、脉冲同步法进行同步仿真研究。

The paper presented a positivistic petri nets simulation model of strategic army railway transportation,and studied the operation of the train simulation methods and the handling of unexpected events,and gave an example of simulation,the result of which are analyzed by indicators.

论文提出了大规模部队铁路输送的Positivistic Petri网仿真模型，研究了列车仿真运行的模拟方法和对突发事件的处理方法，并结合算例对仿真结果进行了指标分析。

Based on analysing the design methods of software,data file format and processing data record,the constructure of simulation system data files was set up. And some problems in data processing were studied,all of these made a speed and precise precalculation of the simulation system. The simulation dynamics parameters precalculated are same as the real system.

在分析现场系统对数据缓冲区、数据文件、过程数据表的设计方法的基础上，设计和建立了仿真系统的各种数据缓冲区、数据文件格式，并应用于仿真系统，完成了力度参数的计算仿真，对仿真系统的计算准确性和计算速度等起到了重要作用，仿真计算结果与现场系统计算结果一致。

In order to solve the problems mentioned above, we research the general modeling and simulation for the design of stevedoring technology scheme for container terminals which is the core of the dissertation, implementation of simulation modeling and simulation for case study.

其中仿真建模理论研究是本论文的核心内容本论文主要的研究工作如下： 1 归纳并提出基于DEDS的集装箱码头工艺方案设计仿真系统的实体、事件、活动、进程研究：实体的提出确定了集装箱码头工艺方案设计仿真系统边界内的对象；事件和活动的提出明确了系统内所有事件的类别和数量，以及每一个事件可以驱动的活动类型；进程的提出明确了系统中进程种类，同时展现了每一个进程所包含的事件及活动之间的逻辑关系和时序关系。

The VSCF DFIG wind power generation is transient response proceeding, which is influenced by operation characteristics of generator before and after grid connected. A novel S-Function is adopted to describe the mathematic model of DFIG based on state equation. A complete simulation model of VSCF DFIG wind power generation system based on MATLAB/Simulink and SimPowerSystems is established, which can be used to not only simulate subsystems of no-load operation and generation operation, as well as can be used to but also accurate control parameters of DFIG in simulation. The simulation model have excellent transportability, and can be used DFIG of different power rated if only design relevant controller.

变速恒频双馈电机风力发电是一个受并网前后发电机运行状况影响的暂态过程，利用MATLAB的S-Function编写DFIG的仿真程序，然后结合Simulink和SimPowerSystems工具箱，开发了基于S-Function的空载运行和发电运行的变速恒频双馈电机风力发电子系统模型，在仿真过程中可对双馈电机进行精确控制，然后对其进行了系统整合，本文开发的模型具有可移植性，只要再设计相应的控制器，就可应用于不同功率等级的双馈电机风力发电系统。

An improved spring-mass model is proposed, by which 2D→3D transformation and simulation of garment are formulated unifiedly. The dynamic system of modeling and simulation is derived and solved using time differentiate method, with given composition and expression of internal and external cloth forces in the formulation. And then the simulation algorithm is described.

利用该模型统一建立了2D→3D映射和服装真实感模拟方程，给出方程中质点所受内力和外力的组成与表达式以及动态系统的推导和求解过程，并且描述了模拟的具体实现算法。

Based on the study on workflow simulation technique,this issue carries out a way of implementing simulation based on WF-net network and setting up workflow dummy running environment,and upbuilds one workflow simulation terrace-JXWf_Simulation.

在研究工作流仿真技术的基础上，提出了一种基于WF-net网，通过建立工作流虚拟运行环境来执行仿真的方法，并构建了一个工作流仿真平台JXWf_Simulation，最后给出了JXWf_Simulation具体实例分析。

Coning error compensation algorithm simulation and SINS algorithm simulation are carried out and the simulation results are consistent with the theory analysis.

对圆锥误差补偿算法和捷联惯导算法进行了仿真，仿真结果和理论分析结论吻合。

the study aims at the actual network status of one work section in daqing oil field,makes a network analysis and planning for the new mixed model of this work section,expends wireless network for the work section on the basis of existing network,and conjoins wire and wireless network together to form an integrated oil field information transfer system.at the same time,using opnet modeler simulation flat roof to structure simulation models (network models,node models and a process model),and analyzing the functions and work mechanism of the major modules for related models,making a simulation for the structured network models,then according to the different parameters,analyzing the individual statistics comparatively such as delay,data dropped and so on,the effects of data packet,data rate and fragmentation threshold to the network performance are gained.after all these,the best structure network scheme for this improved section is determined.

摘 要：此项研究主要针对大庆油田某作业区的实际网络现状，对该作业区进行网络分析和规划，在该作业区现有的有线网络基础上扩充无线网络，实现有线网与无线网的综合，构成一个完整的油田传输信息体系。同时利用opnet modeler仿真平台为该作业区新建混合网络建立仿真模型(网络模型、节点模型和进程模型)，分析相关模型中主要模块的作用和工作机理，对已建立的网络模型进行仿真，在不同的参数设置下，通过对比分析时间延迟、丢包率等统计特性，得出数据包分组、数据率和拆分门限对网络性能的影响，最终决定改进网络的最佳组网方案。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。