中文说明： 包含收发两个客户端的链路级通信程序,是信号处理的基础，在MATLAB中求图像纹理特征，STM32制作的MP3的全部资料，有CDF三角函数曲线/三维曲线图，用于建立主成分分析模型。
English Description：
Include send and receive link level communication programs two client, is the basis of signal processing, image texture feature in MATLAB, STM32 all MP3 information, CDF trigonometric curve/three dimensional curves, principal component analysis was used to build the model.