中文说明：一种噪声辅助数据分析方法,内含心电信号数据及运用MATLAB写的源代码，对于初学matlab的同学会有帮助，搭建OFDM通信系统的框架，关于超声波倒车雷达测距的，wolf 方法计算李雅普诺夫指数。
English Description：
A noise assisted data analysis method, containing the ECG data and application written in matlab source code, for the beginner will help matlab students, build the framework of OFDM communication system, about ultrasonic reversing radar ranging and wolf method for computing Lyapunov exponents.