view m-toolbox/classes/@specwin/win_sft5f.m @ 52:daf4eab1a51e
database-connection-manager tip
Fix. Default password should be [] not an empty string
author
Daniele Nicolodi <nicolodi@science.unitn.it>
date
Wed, 07 Dec 2011 17:29:47 +0100 (2011-12-07)
parents
f0afece42f48
children
line source
+ − % WIN_SFT5F returns SFT5F window, with N points.
+ − % If mode == 'define', the window values will be empty and all the features
+ − % If mode == 'build', the window values will be calculated
+ − %
+ − % M Hewitson 18-05-07
+ − %
+ − % $Id: win_sft5f.m,v 1.5 2011/05/25 07:30:09 mauro Exp $
+ − %
+ −
+ − function varargout = win_sft5f(w, mode, N)
+ −
+ − switch lower(mode)
+ −
+ − case 'build'
+ − n_args = nargin;
+ − if n_args < 3
+ − N = w.len;
+ − end
+ − % Calculate the values of the window
+ − z = [0:N-1]./N * 2 * pi;
+ − varargout{1} = 0.1881 - 0.36923 * cos (z) + ...
+ − 0.28702 * cos (2 * z) - 0.13077 * cos (3 * z) + 0.02488 * cos (4 * z);
+ −
+ − case 'define'
+ − % Make window struct
+ − w.type = 'SFT5F';
+ − w.alpha = 0;
+ − w.psll = 57.3;
+ − w.rov = 78.5;
+ − w.nenbw = 4.3412;
+ − w.w3db = 4.2910;
+ − w.flatness = -0.0025;
+ − w.len = N;
+ − w.skip = 0;
+ −
+ − varargout{1} = w;
+ − end
+ −
+ − % END