计算加权加速度,最小均方误差（MMSE）的算法，基于matlab GUI界面设计,用于信号特征提取、信号消噪，应用小区域方差对比，程序简单。- Weighted acceleration, Minimum mean square error (MMSE) algorithm, Based on matlab GUI interface design, For feature extraction, signal de-noising, Application of small area vari