最大似然（ML）准则和最大后验概率（MAP）准则，是信号处理的基础，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，针对EMD方法的不足,计算加权加速度。-Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Is the basis of the signal processing, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, For lack of EMD, Weighted acceleration.