Home > classes > @specwin > private > win_HFT248D.m

win_HFT248D

PURPOSE ^

WIN_HFT248D return HFT248D window sample for input z.

SYNOPSIS ^

function w = win_HFT248D(w, z)

DESCRIPTION ^

 WIN_HFT248D return HFT248D window sample for input z.

 M Hewitson 18-05-07

 $Id: win_HFT248D.html,v 1.14 2008/03/31 10:27:41 hewitson Exp $

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function w = win_HFT248D(w, z)
0002 
0003 % WIN_HFT248D return HFT248D window sample for input z.
0004 %
0005 % M Hewitson 18-05-07
0006 %
0007 % $Id: win_HFT248D.html,v 1.14 2008/03/31 10:27:41 hewitson Exp $
0008 %
0009 
0010 z = z * 2 * pi;
0011 v = (1 - 1.985844164102 * cos(z) + ...
0012     1.791176438506 * cos (2 * z) - 1.282075284005 * cos (3 * z) + ...
0013       0.667777530266 * cos (4 * z) - 0.240160796576 * cos (5 * z) + ...
0014       0.056656381764 * cos (6 * z) - 0.008134974479 * cos (7 * z) + ...
0015       0.000624544650 * cos (8 * z) - 0.000019808998 * cos (9 * z) + ...
0016       0.000000132974 * cos (10 * z));
0017 
0018 % Make window struct
0019 w.name     = 'HFT248D';
0020 w.alpha    = 0;
0021 w.psll     = 248.4;
0022 w.rov      = 84.1;
0023 w.nenbw    = 5.6512;
0024 w.w3db     = 5.5567;
0025 w.flatness = 0.0009;
0026 w.ws       = sum(v);
0027 w.ws2      = sum(v.*v);
0028 w.win      = v;
0029 
0030 % END

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