The Determination of Critical-Sampling Scheme of Preprocessing for Multiwavelets Decomposition as 1st and 2nd Orders of Approximations. alkej [Internet]. 2017 Dec. 27 [cited 2024 May 1];1(1):26-37. Available from: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/18