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view m-toolbox/classes/@specwin/win_ftni.m @ 21:8be9deffe989 database-connection-manager
Update ltpda_uo.update
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Mon, 05 Dec 2011 16:20:06 +0100 |
parents | f0afece42f48 |
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% WIN_FTNI returns FTNI 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_ftni.m,v 1.5 2011/05/25 07:30:08 mauro Exp $ % function varargout = win_ftni(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} = 0.2810639 - 0.5208972 * cos (z) + 0.1980399 * cos (2 * z); case 'define' % Make window struct w.type = 'FTNI'; w.alpha = 0; w.psll = 44.4; w.rov = 65.6; w.nenbw = 2.9656; w.w3db = 2.9355; w.flatness = 0.0169; w.len = N; w.skip = 0; varargout{1} = w; end % END