MATLAB2012a

本文在分析移动无线信道衰落特性的基础上,阐述了OFDM系统的基本原理,主要研究了OFDM通信系统中的基于导频符号的信道估计问题,分析了几种经典的信道估计算法以及相关的关键技术环节。 在此基础上介绍了OFDM技术在现实中的一个应用——WLAN IEEE802.11a系统模型,利用Matlab仿真软件完成OFDM系统信号生成、噪声生成、导频插入、循环前缀、调制、解调等部分的设计,最后结合计算机仿真对系统关键技术(导频、循环前缀、估计算法)的有效性和可行性进行了全面的分析与比较。适合matlab研究(Based on the analysis of mobile channel fading characteristics based on the OFDM system on the basic principles of research in the OFDM communication system of the pilot symbols based on channel estimation problem, an analysis of several classical channel estimation algorithm and the associated key technical links. On this basis, introduced OFDM technology in a practical application- WLAN IEEE802.11a system model, using Matlab simulation software to complete OFDM signal generation, noise generation, pilot insertion, cyclic prefix, modulation, demodulation and other parts of the design, the final combination of computer simulation of the system of key technologies (pilots, cyclic prefix, it is estimated that algorithm) the effectiveness and feasibility of a comprehensive analysis and comparison. Suitable for research matlab)

远程操作串行端口源码，非常值得收藏~~~~~~~~~(Remote COntrol Serial Port，very precious)

说明：  simulink file to ampletude modulation and demodulation

线性控制系统时域和频域性能指标计算，并绘制波特图与单位阶跃响应曲线(Linear control systems time and frequency domain performance computing, and draw Bode plots and unit step response curve)

说明：  数字信号处理设计与仿真分析 (1)建立两个模拟信号的数学模型 sa1(t)和 sa2(t)， 其中 sa1(t)是有用信号， sa2(t)是干 扰信号。 两个信号的中心频率、信号带宽等参数由学生自己选定，要求两个信号的频谱不重 叠， sa2(t)的幅度比 sa1(t)的幅度高 20dB， 两个信号时域叠加得到合成信号 xa(t)， 即 xa(t)= sa1(t)+ sa2(t) 设计计算机程序仿真产生 sa1(t)、 sa2(t)、 xa(t)信号， 分别画出三个模拟信号的时域波 形和频谱图；(Establish two mathematical models of analog signals sa1(t) and SA2 (t), where SA1 (t) is the useful signal and SA2 (t) is the dry signal Interference signals.)

DCT 音频水印 嵌入与提取 并进行攻击 (DCT SHUIYIN CHENGXU)

Matlab 命令大全详细介绍了Matlab中常用函数的用法以及应用举例，包括数值计算函数、数学变换函数以及绘图函数等(The book of the usage of Matlab functions details the application of commonly used functions in Matlab and application examples, including the numerical functions, mathematical transformation functions and graphics functions and so on )

用自适应陷波器对引入单频干扰的正弦信号进行恢复，Matlab仿真程序(Used to was the single frequency interference with the introduction of the signal, matlab emulator )

DEMO_COND demonstrates the role of the condition number of a matrix (with respect to inversion) in the role of linear system solving. Matthias Heinkenschloss Department of Computational and Applied Mathematics Rice University Feb 22, 2001

说明：  用matlab写的水果分类系统源码，很值得学习，(Written by matlab source fruit classification system, it is worth learning,)