q1

本代码是关于OFDM通信系统的仿真源程序，其中信道编码，QPSK调制，QPSK解调，FFT，IFFT，viterbi编译码，误比特统计，滤波等模块。(The code is on the OFDM communication system simulation source, which channel coding, QPSK modulation, QPSK demodulation, FFT, IFFT, viterbi decoding, bit error statistics, the filtering module.)

变学习因子粒子群算法，来自于《精通MATLAB最优化计算》(pso with variant learning factor)

This model simulate the voltage and current when have harmonic and flicker sources.

Gardner 方法时间同步，时间同步非常重要的方法(Gardner way for time-sychronizing)

粗糙集属性约简的matlab小程序以及一些可读文献~~~~(Rough set attribute reduction procedures as well as some small matlab readable literature ~ ~ ~ ~)

无痕迹卡尔曼滤波器和扩展卡尔曼滤波器demo，包含多个子文件。(No traces the Kalman filter and extended Kalman filter demo, and contains more than one sub-file.)

弗洛伊德算法，是现在流行的十大算法之一，用于数学建模(Freud algorithm, is one of the ten now popular algorithm used in the mathematical modeling)

用数学的思想编写出的生成均匀分布的1000个随机数，数学思想可参照之前上传的论文(Mathematical ideas to write the generated 1000 uniformly distributed random number,)

数值分析：An introduction to Numerical Analysis 作者：Endre Suli and David F.Mayers University of Oxford Cambridge University Press(An Introduction to Numerical Analysis Auther:Endre Suli and David F.Mayers University of Oxford Cambridge University Press)

MATLAB遗传算法工具箱及应用 雷英杰编(it is suit for you to select the best value)