chap_8

OFDM implementation using QPSK

matlab和ansys共同来求解工程问题的好书（附有程序包）。值得学习。(Matlab and ansys common to solve engineering problems of good books (with packets). Is worth studying.)

this is the 4th file of coding

用logistic和差分方程预测上海市人口和老龄化比例的matlab程序(profile for difference equation to forcast population )

把加速度信号变为速度信号和位移信号。用的是反频谱法(Acceleration signal into a displacement signal)

COURS SUR LES RESISTANCES

simulation of communication systems and software defined radio from the book chapter 5

利用bp系统预测北京98-05公交客运量(Bp system in predicting the use of public transportation passenger Beijing 98-05)

图像认证技术，源码最新下载自美国名校The University of Texas at Austin的Brian L. Evans教授的实验室网站 (Matlab programs for image authentication downloaded from Professor Brian L. Evans in University of Texas at Austin in USA)

基于粒子管理器的粒子群算法研究 粒子群优化算法进化(Population Manager of PSO)