小波包变换分析信号的MATLAB程序 小波分析信号去噪 小波分解与重构经典程序-Wavelet packet transform analysis of signals in MATLAB program Signal de-noising wavelet decomposition wavelet analysis and reconstruction classic program

本文件调用matlab小波分析包，可以实现db4等小波函数类型的分解和重置，并进行原始信号和重构信号的误差比较！-This document calling matlab wavelet analysis package, you can achieve db4 wavelet function, such as the type of decomposition and reset and reconstruct the original signal and the error signal