中文说明： 利用matlab GUI实现的串口编程例子，单径或多径瑞利衰落信道仿真，BP神经网络的整个训练过程,关于非线性离散系统辨识，ICA（主分量分析）算法和程序，有信道编码，调制，信道估计等。
English Description：
Serial port programming using MATLAB GUI example diameter/multipath Rayleigh fading channel simulation and BP neural network for the entire training process, identification of nonlinear discrete-time systems, ICA (principal component analysis) and program, channel coding, modulation, channel estimation, and so on.