中文说明： 单径或多径瑞利衰落信道仿真，一种基于多文档得图像合并技术，BP神经网络用于函数拟合与模式识别，计算多重分形非趋势波动分析matlab程序,分析了该信号的时域、频域、倒谱，循环谱等,用于时频分析算法。
English Description：
Diameter/multipath Rayleigh fading channel simulation, based on document images merging technique, function fitting based on BP neural networks and pattern recognition, non-trend volatility calculated multifractal analysis MATLAB programs, analyzes the signal in time domain, frequency domain, cepstrum, cyclic spectrum used for time-frequency analysis algorithm.