WIN_WELCH return Welch window sample for input z. M Hewitson 18-05-07 $Id: win_Welch.html,v 1.14 2008/03/31 10:27:41 hewitson Exp $
0001 function w = win_Welch(w, z) 0002 0003 % WIN_WELCH return Welch window sample for input z. 0004 % 0005 % M Hewitson 18-05-07 0006 % 0007 % $Id: win_Welch.html,v 1.14 2008/03/31 10:27:41 hewitson Exp $ 0008 % 0009 0010 v = 1 - (2 * z - 1).^2; 0011 0012 % Make window struct 0013 w.name = 'Welch'; 0014 w.alpha = 0; 0015 w.psll = 21.3; 0016 w.rov = 29.3; 0017 w.nenbw = 1.2; 0018 w.w3db = 1.1535; 0019 w.flatness = -2.2248; 0020 w.ws = sum(v); 0021 w.ws2 = sum(v.*v); 0022 w.win = v; 0023 0024 % END