Home > classes > @specwin > win_HFT223D.m

win_HFT223D

PURPOSE ^

WIN_HFT223D return HFT223D window sample for input z.

SYNOPSIS ^

function w = win_HFT223D(w, z)

DESCRIPTION ^

 WIN_HFT223D return HFT223D window sample for input z.

 M Hewitson 18-05-07

 $Id: win_HFT223D.m,v 1.1 2008/06/20 10:46:55 hewitson Exp $

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function w = win_HFT223D(w, z)
0002 
0003 % WIN_HFT223D return HFT223D window sample for input z.
0004 %
0005 % M Hewitson 18-05-07
0006 %
0007 % $Id: win_HFT223D.m,v 1.1 2008/06/20 10:46:55 hewitson Exp $
0008 %
0009 
0010 z = z * 2 * pi;
0011 v = (1 - 1.98298997309 * cos(z) + ...
0012     1.75556083063 * cos (2 * z) - 1.19037717712 * cos (3 * z) + ...
0013       0.56155440797 * cos (4 * z) - 0.17296769663 * cos (5 * z) + ...
0014       0.03233247087 * cos (6 * z) - 0.00324954578 * cos (7 * z) + ...
0015       0.00013801040 * cos (8 * z) - 0.00000132725 * cos (9 * z));
0016 
0017 % Make window struct
0018 w.type     = 'HFT223D';
0019 w.alpha    = 0;
0020 w.psll     = 223;
0021 w.rov      = 83.3;
0022 w.nenbw    = 5.3888;
0023 w.w3db     = 5.3;
0024 w.flatness = -0.0011;
0025 w.ws       = sum(v);
0026 w.ws2      = sum(v.*v);
0027 w.win      = v;
0028 
0029 % END

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