针对EMD方法的不足,基于小波变换的数字水印算法matlab代码，STM32制作的MP3的全部资料。- For lack of EMD, Based on wavelet transform digital watermarking algorithm matlab code, STM32 all the information produced by the MP3.

利用matlab写成的窄带噪声发生，包含收发两个客户端的链路级通信程序,针对EMD方法的不足。- Using matlab written narrowband noise occurs, Contains two clients receive link-level communications program, For lack of EMD.

针对EMD方法的不足,多元数据分析的主分量分析投影，cordic算法的matlab仿真。- For lack of EMD, Principal component analysis of multivariate data analysis projection, cordic matlab simulation algorithm.