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LDPC编码研究及其在OFDM系统中的应用 LDPC 在OFDM 中的应用分析-LDPC coded OFDM system in the research and its application in LDPC Application Analysis of OFDM

一篇经典的雷达系统设计论文Radar System Performance Modeling-A classic design of radar systems thesis Radar System Performance Modeling

sigmatel 设计方案的重要参考，里面有包含软件的设计规范的。-SigmaTel design an important reference, which has included the design of software specifications.

基于WEB的数据分析系统的设计与实现――系统分析及设计报告-WEB-based Data Analysis System Design and Implementation- Systems Analysis and Design Report

TDDCDMA系统干扰分布的研究 -Interfere with the distribution system TDDCDMA Research

摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向，交频分复用 OFDM)是一种无线环境下的高速传输技术，它对高速列车控制信息传输中卞要受到的由于多 径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和 基本原理，然后在计算机上用M atlal〕对其性能进行了仿真，仿真中将OFDM与传统的单载波 调制方式―i1，交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较，最后分析了一者的仿真结果. -Abstract: Based on the communication technology train operation control system (CBTC) is a railway signal direction for the development of cross-frequency division multiplexing OFDM) is a wireless environment of high-speed transmission technology, its high-speed train control information transmission Bian be subject to the Due to the spread of multi-path fast fading caused by the impact of a strong resistance to diseases. This paper first introduces the OFDM technology development and the basic principles, and then on the computer〕 M atlal use its performance simulation will OFDM with the traditional single-carrier modulation-i1, cross-amplitude modulation (1frQAM) against multi-path interference of the 10 properties were compared with a final analysis of

aes code with fifo control to memory

一个医院的软件需求分析，看起来很不错，对于那写说软件工程难学的人来说是一个材料！-a hospital software needs analysis, looked good, said it was difficult to study software engineering who is a material!

详细介绍了城市动态交通系统的技术路线与开放方案，是进行DTA系统开发的必备参考-Described in detail the dynamic urban transport system technology roadmap and open the program, DTA is an essential system development

给单片机初学者的40个实验,带有原理图,汇编和C语言双代码,单片机爱好者拿去参考吧.-Beginners to single-chip microcomputer 40 of the experiment, with a schematic diagram, and the C language compilation of dual-code, single-chip lovers refer to it instead.