电子信息类文献翻译外语学习翻译基础知识外语学习翻译基础知识.pdf
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1、附录 A:外文参考文献及其摘要翻译 14 篇 TITLE:The Implementing of WCDMA Uplink Simulation by Matlab Simulink AUTHOR:Zhu-cheng ABSTRACTB:ased on the specification of WCDMA uplink,the Feasibility of system simulation for 3Gmobilecommunication system using Matlab software with SIMULINK toolbox on the PC platform is exp
2、lored.It is convenient by this approach to realize many modules of said 3G system such as frequency-spreading,de-spreading,M.1225 channel,Doppler,channel estimation,RAKE receiver(including Maximum rate combination,strong finger selection)and so on.Complete matrix model description for the case of si
3、ngle user with uplink multiple coding channels as well as the procedure of implementing the simulation are also given.Simulation results show that our simulation platform is credible.题目:WCDM/系统上行链路层 MATLAB 平台 SIMULINK 实现 作者:Zhu-cheng 摘 要:本文以 WCDMAS 准中上行链路结构为蓝本,研究了第三代移动通信系 统仿真在 PC机上利用 MATLAB 平台的 SIMU
4、LINK 工具箱实现的可行性。方便地 实现了诸如:扩频、M.1225 信道、时变增益路径(Doppler)、信道 估计、RA KE 若干强径选择最大比合并、解扩、判决接收等 SIMULINK 模块。给出了上行链路 单用户多码道的完整矩 阵数学模型和仿真实现过程。仿真结果显示该仿真平台 是可靠的。TITLE:SIMULATION FOR CDMA WIRELESS COMMUNICATION APPLYING MATLABS SIMULING FUNCTION,1998 AUTHOR:Man Young Rhee ABSTRAC T:his paper gives a simulation fo
5、r cdma communication applying Matlabs simulink function,and offer a group of softwave to perform the visualizing simulation,the software perfectly display the advantages and process of normal cdma communication,more over,it provides a softxware IP地 base for further study on cdma communication.题目:WCD
6、M/系统上行链路层 MATLAB 平台 SIMULINK 实现 作者:Man You ng Rhee 摘 要:本文给出了一个基于 MATLA 的仿真功能而实现的 CDM 通信的仿真系统,并且提供了一套软件来完成可视化仿真,这套软件完美的演示了一般 CDMA1信 系统的优势和处理过程,更为重要的是它为深入研究 CDMA1信系统提供了一个 软件基础。TITLE:Prospect and Chinese Development Strategies of Future Mobile Communication Systems AUTHOR:YOU Xiao-hu ABSTRAC T:he devel
7、oping trends and technical challenge of future mobile communications are summarized in this paper,and development strategies of Chinas mobile communications are suggested based on the analysis of developing status of world mobile communications.The characteristics of future mobile communications,suc
8、h as requirement of data service with higher speed,huge variety range of data speed,personalization of IP address and limited wireless spectrum resource,put forward requirements of more advanced metwork,more flexible air interface and mobile terminals.The R&Dof 4Ghas begun in all over the world.In o
9、rder to develop Chinas mobile communications,China should grasps the opportunity to begin the R&D of 4G key technologies in time,and not only develops the force of R&D and outputs IPR,but also spreads the impacts in the world communication field through all sorts of beneficial factors.题目:未来移动通信系统展望和
10、我国的发展战略 作者:YOU Xiao-hu 摘 要:综述了未来移动通信系统的发展趋势及其在技术上所面临的挑战,在分 析国内外移动通信发展现状的基础上,指出了我国移动通信领域的发展战略。未 来移动通信系统更高量级数据速率的要求、数据速率的大动态变化范围、址的个人化和有限的频谱资源等诸多方面的特点,要求系统有更加先进的网络、更加灵活高效的空中接口和移动终端等。世界各国已经开始了 4G的研制工作。我国应该抓住时机,及时开始 4G关键技术的研究,在不断发展科研力量和输出 知识产权的第三代移动通信系统仿真在机上利用平台的工具箱实现的可行性方便地实现了诸如扩频信道时变增益路径信道估计若干强径选择最大比合
11、并解扩判决接收等模块给出了上行链路单用户多码道的完整矩阵数学模型和仿真实现过程仿真信的仿真系统并且提供了一套软件来完成可视化仿真这套软件完美的演示了一般信系统的优势和处理过程更为重要的是它为深入研究信系统提供了一个软件基础题目未来移动通信系统展望和我国的发展战略作者摘要综述了未来移动领域的发展战略未来移动通信系统更高量级数据速率的要求数据速率的大动态变化范围址的个人化和有限的频谱资源等诸多面的特点要求系统有更加先进的网络更加灵活高效的空中接口和移动终端等世界各国已经开始了的研制工作基础上,要充分利用各种有利因素,扩大我国在移动通信领域的国际 影响,以推动我国未来移动通信事业的发展。TITLE:
12、On Simulation of DS/CDMA Communication Systems AUTHOR:XU Juan ABSTRACTIn:this paper,the bit-error-rate(BER)performance of the asynchronous direct-sequence CDMA(DS/CDMA)multiuser system in a wireless radio communications environment characterized by Rayleigh multipath fading channels is investigated.
13、Because of the system complexity,the BERperformance of CDMAsystems in such an environment is difficult to assess analytically.Monte-Carlo(MC)simulations can offer an alternative performance evaluation tools.But such an alternative is often is often limited by an excessive computational burden.Import
14、ance Sampling(IS)is a variance reduction technique which can significantly reduce the computatinal cost required by MC simulations.This paper will describe the basic principles of IS and the BERof DS/CDMAmultiuser system in Rayleigh multipath fading channels is simulated using MC method and IS techn
15、ique respectively.Simulation results indicate that IS results and MCresults are in close agreement and that IS simulation can significantly reduce the computational cost required by MC simulation when the RER is very low.题目:DS/CDMAffl信系统仿真的研究 作者:XU Jua n 摘 要:本文研究了 Rayleigh 多径衰落信道下的直扩/码分多址(DS/CDMA 多用
16、 户系统的误码率。由于系统的复杂性,其误码率很难通过分析获得,Monte-Carlo 仿真是一种可代替的性能分析工具。但是,Monte-Carlo 仿真经常被过大的计算 量所限制。重要抽样技术是一种方差减少技术,它能显著地减少运算时间。本文 将描述重要抽样的基本原理,并分别利用 Monte-Carlo 和重要抽样技术仿真 Rayleigh 多径衰落信道下的 DS/CDM 多用户系统的误码率。仿真结果表明:重要 抽样技术仿真与 Monte-Carlo 仿真结果吻合得很好,并且在低误码率的场合,与 Monte-Carlo 仿真相比,重要抽样技术能显著地降低运算量。TITLE:MATLAB WEB
17、SERVER AND ITS APPLICATION IN REMOTE COLLABORATIVE 第三代移动通信系统仿真在机上利用平台的工具箱实现的可行性方便地实现了诸如扩频信道时变增益路径信道估计若干强径选择最大比合并解扩判决接收等模块给出了上行链路单用户多码道的完整矩阵数学模型和仿真实现过程仿真信的仿真系统并且提供了一套软件来完成可视化仿真这套软件完美的演示了一般信系统的优势和处理过程更为重要的是它为深入研究信系统提供了一个软件基础题目未来移动通信系统展望和我国的发展战略作者摘要综述了未来移动领域的发展战略未来移动通信系统更高量级数据速率的要求数据速率的大动态变化范围址的个人化和有限的
18、频谱资源等诸多面的特点要求系统有更加先进的网络更加灵活高效的空中接口和移动终端等世界各国已经开始了的研制工作DESIGN OF MAGNETIC BEARING SYSTEMS AUTHOR:ZHAO AIPING ABSTRACTA:cclimatizing itself to the development of network,Math works Inc constructed a MATLAB Web Server environment by dint of which one can browse the calculation and plots of MATLABthroug
19、h Internet directly.The installation and use of the environment is introduced.A code established on the platform of MATLAB,whichdeals with the modal analysis of magnetic bearing system(MBS)supporting rotors of five degress of freedom and considering the coupling of thrust bearing with radical bearin
20、gs is modified to work in the environment.The purpose is to realize a remote call of the code by users through Internet for the performance analysis of the system.Such an application is very important to the concurrent design of MBS and for the utilization of distributive knowledge acquisition resou
21、rces in collaborative design.The work on modification and realization is described and the results are discussed.题目:MATLAB 网络服务器及其有承磁系统的远程协作设计的应用 作者:ZHAO AIPING 摘要:网络的发展使要它适应新的环境,一些数学著作构造了一种 MATLAB 网络 服务器的环境能通过因特网直接的浏览 MATLAB 的计算过程。其安装和使用方法 将作出介绍。在 MATLAB 的平台之上建立的一个代码,处理承磁系统(MBS)附带 对 5 个自如的旋转体的模型分析,
22、并包括了一对在工作环境中被称作是基本的冲 力。其目的是让用户通过因特网为该系统的分析执行实现一个远程的呼叫。这种 方法对于 MBS 的协同设计和在合作领域中所需知识资源的利用是非常重要的。完 善和实现以上功能的工作将会被涉及而且结果也会被讨论。TITLE:NEURALNETWORMKODELINGFORDYNAMICPULSEDGTAWPROCESWSITHWIRE FILLER BASED ON MATLAB AUTHOR Zhao Dongbin ABSTRACTD:ouble-sided weld pool shapes were determined by multiple weldi
23、ng parameters and wire feed parameters during pulsed GTAWwith wire filler.Aiming at such a system with multiple inputs and outputs,an effective modeling method,consisting of the 第三代移动通信系统仿真在机上利用平台的工具箱实现的可行性方便地实现了诸如扩频信道时变增益路径信道估计若干强径选择最大比合并解扩判决接收等模块给出了上行链路单用户多码道的完整矩阵数学模型和仿真实现过程仿真信的仿真系统并且提供了一套软件来完成可视化
24、仿真这套软件完美的演示了一般信系统的优势和处理过程更为重要的是它为深入研究信系统提供了一个软件基础题目未来移动通信系统展望和我国的发展战略作者摘要综述了未来移动领域的发展战略未来移动通信系统更高量级数据速率的要求数据速率的大动态变化范围址的个人化和有限的频谱资源等诸多面的特点要求系统有更加先进的网络更加灵活高效的空中接口和移动终端等世界各国已经开始了的研制工作impulse signal design,model structure and parameter identification and verification,was developed based on MATLAB softw
25、ave.Then,dynamic neural network models,TDNNM(To pside dynamic neural nerwork model)and BHDNNM(Backsidewidth and to pside height dynamic neural network model),were established to predict double-sided shape parameters of the weld pool.The characteristic relationship of the welding process was simulate
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