lvjing

说明：  无线通信原理系统应用中用到的MATLAB仿真，对与学习无线通信原理及MATLAB都很有帮助滴(pricinples of communication system simulation with wireless aplications with MATLAB)

引入变异算子的PSO，希望对大家的学习研究有所帮助。(Mutation of the PSO, we hope to help the study of learning.)

These MATLAB programs in this directory belong to the book titled "MIMO-OFDM Wireless Communication with MATLAB㈢", which has been authored by Yong Soo Cho, Jaekwon Kim, Won Young Yang, and Chung G. Kang and published by John Wiley & Sons (Asia) Pte Ltd in 2010. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher.

研究正、负线性调频信号的特性，给出其时域、频域图像，以及频率随时间变化曲线。对于初学雷达信号处理者学习LFM信号有帮助。(Study the positive and negative chirp signal characteristics, given the time domain, frequency domain images, as well as the frequency versus time. It s helpful for beginners who study Radar signal processing.)

三分之一倍频程表示的短时傅里叶变换，需要时域分析工具箱(One-third octave express the short-time Fourier transform, the need for time-domain analysis toolbox)

说明：  matlab6.5的教程，包括pdf文档，和m文件，以及mdl模型(matlab6.5 tutorials, including pdf documents, and m files, and mdl model )

说明：  基于信噪比的QAM星座图算法描述，有很多星座图的相关知识及仿真(SNR of the QAM constellation based on algorithm description, there are many constellation of knowledge and Simulation)

可以实现二进9/7小波提升格式的小波变换，希望对大家学习和研究提升小波变换有帮助。(can achieve two into 9/7 wavelet upgrade format wavelet transform, we hope to enhance learning and research help wavelet transform.)

toolbox for simulation of wind turbine (Demo)

《MATLAB数值计算案例分析》一书的源程序，供大家学习。(《MATLAB numerical computation cases analysis》 s programs.)