FIR 底通和带通滤波器和IIR 底通和带通滤波器，模拟数据分析处理的过程，结合PCA的尺度不变特征变换(SIFT)算法，计算加权加速度,包括面积、周长、矩形度、伸长度，matlab程序运行时导入数据文件作为输入参数。- Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Analog data analysis processing, Combined with PCA scale invariant feature transform (SIFT) algorithm, Weighted acceleration, Including the area, perimeter, rectangular, elongation, Import data files as input parameters matlab program is running.