WIN_FTNI return FTNI window sample for input z. M Hewitson 18-05-07 $Id: win_FTNI.m,v 1.1 2008/06/20 10:46:55 hewitson Exp $
0001 function w = win_FTNI(w, z) 0002 0003 % WIN_FTNI return FTNI window sample for input z. 0004 % 0005 % M Hewitson 18-05-07 0006 % 0007 % $Id: win_FTNI.m,v 1.1 2008/06/20 10:46:55 hewitson Exp $ 0008 % 0009 0010 z = z * 2 * pi; 0011 v = 0.2810639 - 0.5208972 * cos (z) + 0.1980399 * cos (2 * z); 0012 0013 % Make window struct 0014 w.type = 'FTNI'; 0015 w.alpha = 0; 0016 w.psll = 44.4; 0017 w.rov = 65.6; 0018 w.nenbw = 2.9656; 0019 w.w3db = 2.9355; 0020 w.flatness = 0.0169; 0021 w.ws = sum(v); 0022 w.ws2 = sum(v.*v); 0023 w.win = v; 0024 0025 % END