由著名小波大牛mallat最新写的关于小波变换信号处理的书，里面包括小波变换的最新进展。如稀疏矩阵，压缩传感等概念-Daniel mallat by well-known wavelet-date written on the wavelet transform signal processing books, which include the latest developments of wavelet transform. Such as sparse matrix, the concept of compressed sensing