现代信号处理中谱估计在matlab中的使用，有详细的注释，能量熵的计算，给出接收信号眼图及系统仿真误码率，信号维数的估计，一种流形学习算法（很好用），仿真图是速度、距离、幅度三维图像。- Modern signal processing used in the spectral estimation in matlab, There are detailed notes, Energy entropy calculation, The received signal is given eye and BER simulation systems, Signal dimension estimates, A fluid manifold learning algorithm (good use), FIG simulation speed, distance, amplitude three-dimensional image.