matlab程序运行时导入数据文件作为输入参数，是一种双隐层反向传播神经网络，重要参数的提取，主要为数据分析和统计，包括脚本文件和函数文件形式，考虑雨衰 阴影 和多径影响，单径或多径瑞利衰落信道仿真。- Import data files as input parameters matlab program is running, Is a two hidden layer back propagation neural network, Extract important parameters, Mainly for data analysis and statistics, Including scr ipt files and function files in the form, Consider shadow rain attenuation and multipath effects Single path or multipath Rayleigh fading channel simulation.