ML法能够很好的估计信号的信噪比,基于小波变换的数字水印算法matlab代码，通过虚拟阵元进行DOA估计。- ML estimation method can be a good signal to noise ratio, Based on wavelet transform digital watermarking algorithm matlab code, Conducted through virtual array DOA estimation.

ML法能够很好的估计信号的信噪比,最小二乘回归分析算法，内含心电信号数据及运用MATLAB写的源代码。- ML estimation method can be a good signal to noise ratio, Least-squares regression analysis algorithm, ECG data and includes source code written in MATLAB.