WIN_NUTTALL4 return Nuttall4 window sample for input z. M Hewitson 18-05-07 $Id: win_Nuttall4.m,v 1.1 2007/05/19 09:04:59 hewitson Exp $
0001 function w = win_Nuttall4(z) 0002 0003 % WIN_NUTTALL4 return Nuttall4 window sample for input z. 0004 % 0005 % M Hewitson 18-05-07 0006 % 0007 % $Id: win_Nuttall4.m,v 1.1 2007/05/19 09:04:59 hewitson Exp $ 0008 % 0009 0010 z = z * 2 * pi; 0011 v = 0.3125 - 0.46875 * cos(z) + 0.1875 * cos (2 * z) - 0.03125 * cos (3 * z); 0012 0013 % Make window struct 0014 w.name = 'Nuttall4'; 0015 w.alpha = 0; 0016 w.psll = 60.9; 0017 w.rov = 70.5; 0018 w.nenbw = 2.31; 0019 w.w3db = 2.1884; 0020 w.flatness = -0.6184; 0021 w.ws = sum(v); 0022 w.ws2 = sum(v.*v); 0023 w.win = v; 0024 0025 % END