中文说明：供做算法研究人员参考，搭建OFDM通信系统的框架，添加噪声处理，在MATLAB中求图像纹理特征，预报误差法参数辨识-松弛的思想，构成不同频率的调制信号。
English Description：
For algorithm researchers for reference, build a framework for OFDM communication system and add noise to deal with, in MATLAB for image texture feature, prediction error method for parameter identification - relaxation thought constitute different frequency modulation signal.