PPC---step--3k3

This is the CRB caculated for an OFDM system to compair belind channel estimation. CRB is Cramer Rao bound and it is the lowest bound for analyzing the devlopement of algorithms of channel estimation.

经验模态分解程序集，一类可以有效进行信号分段以及分析和处理的源代码。(Empirical mode decomposition procedure)

说明：  描述了石墨烯电导率与弛豫时间的关系，谐振波长与基底折射率的关系。(The relationship between the conductivity of graphene and the relaxation time, the relationship between the resonance wavelength and the refractive index of the substrate are described.)

MATLAB中 各种PSK相位编码 已添加为压缩文件 绝对好用(MATLAB in a variety of PSK phase encoding has been added to the compressed file is absolutely easy to use)

非常好的SIMULINK建模与仿真教程，有助于学习Simulink动态仿真！(Very good SIMULINK modeling and simulation tutorial, Simulink dynamic simulation help to learn!)

Quality guided unwrapping method

水声通信中的信号分析，传输，特性， 在多径下的数学仿真(Underwater acoustic communication signal analysis, transmission, characteristics, in the mathematical simulation of multipath)

ofdm snr is designed for signals

使用Capon、MUSIC、ESPRIT和PM多种算法进行doa估计，通过谱峰搜索函数估计到达角，并使用蒙特卡洛方法估计各算法的RMSE。（可能计算时间较长，如需节省时间可以减小蒙特卡洛次数）(Use Capon, MUSIC, ESPRIT and PM variety of algorithms doa estimated by peak search function estimated arrival angle, and use the Monte Carlo method to estimate the various algorithms RMSE. (Possible to calculate a long time, To save time you can reduce the number of Monte Carlo))

对偶单纯形法matlab编程，有逐句的说明(simplex write)