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汽车开环和闭环制动系统简述有助初学者加深对该模型原理的理解-car open and closed loop braking system outlined help beginners deepen their understanding of the principles Model

LABVIEW中字符串，簇，数组等功能的使用例子-LABVIEW in strings, clusters, an array of features such as the use of examples

MATLAB的FPGA数字信号处理程序 类似于DSP的C语言 简称SG，大家指教！！ -MATLAB FPGA digital signal processing DSP similar to the C language acronym SG, we know! !

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计量工具箱，来自http://www.spatial-econometrics.com/ -Econometrics toolbox, from http://www.spatial-econometrics.com/

一个用DirectX开发的简单而强大的游戏引擎-Using DirectX to develop a simple and powerful game engine

一个猜单词VC游戏，由计算机或一方给出一个单词，另一方根据单词的个数猜出单词。-a guess VC word games, by computer or one is a word, the other word according to guess the number of words.

cc1020 smartRf TI Chipcon -cc1020 smartRf TI Chipcon

本文件为PPT文件格式，详细演示集成电路基本器件的工艺流程。-this document for PPT file format, detailed demonstration of the basic integrated circuit device process.

本文首先概述了OFDM 的原理、特征和关键技术，介绍了系统需要的几种同步。然后就同步误差对系统性能的影响进行了简单的分析，表明定时偏差和采样频率偏差将会引入码间干扰，载波频率偏差导致载波间干扰的发生。因此，在OFDM系统接收机中定时的确定、载波频率偏差和采样频率偏差的纠正是信号恢复的关键。之后对OFDM系统同步的几种实现方法进行了介绍，分析了各同步方法的性能。-The paper first outlines the principles of OFDM, features and key technologies, the system needs to introduce several synchronization. Synchronization error and then the impact on system performance for a simple analysis, show that the timing deviation and the sampling frequency deviation will introduce inter-symbol interference, the carrier frequency deviation led to the occurrence of ICI. Therefore, in OFDM system receiver to determine the timing, carrier frequency offset and sampling frequency offset correction signal to restore the key. After the OFDM system to achieve synchronization of several methods of introduction, an analysis of the performance of the synchronization method.