代码主要计算Daubechies紧支集滤波器系数L0_d和H1_d,然后采用这两个系数对信号进行小波分解-The main calculation code compactly supported Daubechies filter coefficients L0_d and H1_d, then the use of these two coefficients of wavelet decomposition signals

经典信号小波分解matlab算法,注解很清楚，可以直接执行-classic wavelet for analysing signal

利用级联算法在MATLAB中得到db2的尺度函数和小波函数-Db2 cascade algorithm using the scaling function and wavelet function in MATLAB