此文件中包含离散小波变换以及一份简单的小波讲义,对初学者有很大的帮助-This document contains the discrete wavelet transform and wavelet a simple lecture, to be very helpful to beginners

压缩感知中非常快速的恢复算法OMP法，这种算法可以有效恢复数据量大噪声强的观测文件！ -compressive sense algorithm OMP，the highlights of this method is feasible to recovery!