包括单边带、双边带、载波抑制及四倍频,比较了软阈值，硬阈值及当今各种阈值计算方法,计算两个矩阵之间的欧氏距离。- Including single sideband, double sideband, suppressed carrier and quadruple, Comparison of soft threshold and hard threshold and today various threshold calculation method, Calculation of the Euclidean distance between the two matrices.