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function dbinfo %DBINFO Information on Daubechies wavelets. % % Daubechies Wavelets % % General characteristics: Compactly supported % wavelets with extremal phase and highest % number of vanishing moments for a given % support width. Associated scaling filters are % minimum-phase filters. % % Family Daubechies % Short name db % Order N N a positive integer from 1 to 45. % Examples db1 or haar, db4, db15 % % Orthogonal yes % Biorthogonal yes % Compact support yes % DWT possible % CWT possible % % Support width 2N-1 % Filters length 2N % Regularity about 0.2 N for large N % Symmetry far from % Number of vanishing % moments for psi N % % Reference: I. Daubechies, % Ten lectures on wavelets, % CBMS, SIAM, 61, 1994, 194-202. % M. Misiti, Y. Misiti, G. Oppenheim, J.M. Poggi 12-Mar-96. % Last Revision: 01-May-1998. % Copyright 1995-2002 The MathWorks, Inc.