为了准确地评估iPhone在无线网络中的灵敏度等参数，苹果的工程师至少花费了数百万美金购买了几十种测定参数的设备和仿真系统。
To predict the iPhone's performance on a network, Apple engineers bought nearly a dozen server-sized radio-frequency simulators for millions of dollars apiece.
在研究中，他们开始了全面应用故障仿真系统进行试验，并自编软件对大量仿真数据进行统计分析。
In their research they started to apply the fault simulation system for test in an all-round way and created their own software to analyze the enormous simulation data.
在制导系统仿真过程，本文完成了信号采集精度的确认、选择位移测量装置、信号转换等工作。
In the process of guided system simulation, we completed these works of Recognizing precision of collection signal, to select displacement measurement devices, signal conversion.
仿真系统中的发动机数学模型是用一系列小偏差线化模型去逼进某一实际发动机的试车数据而得到的。
The engine mathematical model in the simulation system is obtained by approximation of testing data of an actual engine with a series of small deviation and linearized models.
该视景仿真系统无论从场景的显示和更新速率上、还是在视景的实现功能和对油轮实时操纵的效果上都是比较成功的。
The visual simulation system is very successful not only from the point of scene display and updating speed, but also from the point of scene function and the effect of driving oil tanker.
计算机应用领域包括科学计算、数据处理和信息管理、自动控制、辅助设计制造和测试、系统仿真。
Computer applications including scientific computing, data processing and information management, automatic control, computer-aided design manufacturing and testing, the system simulation.
在现有的研究成果基础上，研究和开发具有高度真实感的虚拟数控机床仿真系统是本论文的主要目的。
The main purpose of this dissertation is to research and develop virtual NC machine tools simulation system that has very good third dimension, according to existing achievements.
描述供机载雷达应用软件调试、测试用的软件仿真系统。
This paper describes the simulation system for debugging and testing of air borne radar application software.
采用微机联网的紧耦合网络拓扑结构、面向对象的框架设计和层次化数据分层等技术提高系统仿真的实时性和开放性。
Adopting high coupling PC network, hierarchical data structure and object oriented design techniques, we can enhance the performance of simulation system in real time and openness.
研究了一种采用网络分布计算，具有三维动态显示、实时操纵和人机闭环的无人机虚拟遥控仿真系统。
Simulation of a remote control system of unmanned aircraft with network distributed computing and three dimensional dynamic display and man in loop real time operation is studied.
最后利用所构建的半物理仿真系统，对星图识别算法和星敏感器性能进行了静态和动态的试验。
At last, by using the hybrid simulation system, some algorithms of star map identification and performance of star sensor could be effectively verified by dynamical and statical test in this platform.
介绍了电子测量仪器智能仿真系统的设计原则和设计方法，着重讨论了设计中采用的一些主要技术。
This paper describes the design principle and method of an intelligent emulating system of electronic instrument, emphatically introduces some ban techniques.
本文运用系统仿真的原理结合可靠度理论分别研究了钢筋混凝土桥梁在整体腐蚀和局部腐蚀及裂缝扩展组合效应下使用寿命及其可靠性。
Service-lifetime and reliability is estimated considering two models of uniform corrosion with effect of cracks and local corrosion on the theoretic of system simulation and reliability.
集中供冷系统仿真数学模型的主要特点是压缩机可以根据蒸发器总负荷大小选择性开关不同的档位，相应的输入输出参数也随之改变。
And the capacities of compressor could be selected by on-off switch along with the change of burthen of evaporator, which is a main characteristic of the central refrigeration system model.
它是地面半实物仿真系统中的一种重要专用设备，用来模拟飞行器舵机在飞行过程中所承受空气动力力矩载荷。
It is an important half hardware-in-loop simulation equipment, which is often used to simulate the aerodynamic torque load on the missile rudder or elevon actuators in the flight.
在本文的最后，提出了离散矢量模型的改进方法，能在提高实时性的基础上，进一步提高数控仿真系统的仿真精度，完善仿真性能。
At last, this paper provides the mend method of Discrete Vector Model, so that the system can enhance simulation precision in base of high real time, and has more perfect simulative performance.
结果证明此模型能够与实际运行情况很好地吻合，可用于仿真系统的构建、系统控制策略的研究及系统动态性能的分析等。
The results show that this model well conforms to the actual operation and can be used for simulation system construction, system control strategy study and dynamic performance analysis of the system.
对逆变器和异步电动机建立了仿真模型，同时研究了这两个仿真模型的接口，提出了系统仿真运行的方法。
On the basis of simulating models of inverter and asynchronous motor, the interface of those two models has been studied and the system simulation method is presented.
应用先进的计算机图形学及科学计算可视化技术，编制了非线性动力系统仿真分析程序，可直观地分析混沌动力系统的轨迹特性。
This paper compiles the analysing program for the simulation of the nonlinear dynamic system. With this program, the locus property of the nonlinear dynamic system can be analysed visually.
仿真结果表明，该视景系统能够逼真地表现出地面移动机器人的仿真过程，并满足系统仿真的实时性要求。
The simulation results show that the system can realistically demonstrate the simulation process of the robot, and besides, it meets the real time requirement of system simulation.
故障注入系统作为舰载计算机网络系统仿真平台的一个功能模块，为待测系统的可信性测试分析提供了研究基础。
Fault injection system is a function module of the shipboard network system simulation platform, and it offers the studying foundation for dependability assessment of the tested system.
给出了半实物仿真系统的基本组成和工作原理，讨论了水下航行器运动的仿真模型和实时积分算法。
The basic organization and simulation principle of the system are presented, and the simulation model for the underwater vehicle and real-time integer algorithm are discussed.
介绍分布式作战仿真系统的开发，重点提出了基于HLA技术的系统体系结构，分析在创建系统时的关键技术。
The paper introduces the exploitation of the distributing campaign simulation system, emphases to advance the system structure on HLA, analyses the key technologies.
以典型的航天员推离动作对飞船的扰动力矩作为控制系统仿真的输入参数，分析姿态控制系统受到扰动后的响应。
Put the disturbance moments of typical astronaut's push-off act as the input datas of the control system simulation, and analyze the response of the attitude control system after disturbed.
同世界各国大多数参赛队一样，在构造硬件环境同时，我们也进行了比赛仿真系统的开发，用系统仿真方法作为研究决策系统的主要方法。
The same as other teams in the world who often need implode the game's emulator system synchronously or early, we use this way as the primary method to study decision-making system.
给出了该仿真系统的组成、信号处理流程，以及包括弹体动力学、敏感元件和变结构控制器的仿真模型。
The composition of the simulation system, data processing flowchart and simulation mode that included the missile dynamics, sensitive element and variable structure controller were given.
本文提出将模型论、仿真算法和仿真可信度评估理论作为系统仿真学科的基础理论的观点。
In this paper, the author presented the viewpoint that System simulation is based on model theory, simulation algorithms and simulation credibility evaluation theory.
文中首先采用反馈线性化理论设计了非线性飞控系统，进一步设计了非线性飞控系统仿真视景演示平台。
In the paper, the application of feedback linearization in the flight control is described firstly, then the simulation demo system of nonlinear flight control system is designed.
文中首先采用反馈线性化理论设计了非线性飞控系统，进一步设计了非线性飞控系统仿真视景演示平台。
In the paper, the application of feedback linearization in the flight control is described firstly, then the simulation demo system of nonlinear flight control system is designed.
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