中文说明：
对s进行小波分解，提取小波分解的低频系数，提取小波分解的各层高频系数，绘出各系数的图形。
English Description：
Carry out wavelet decomposition on S, extract the low-frequency coefficients of wavelet decomposition, extract the high-frequency coefficients of each layer of wavelet decomposition, and draw the graph of each coefficient