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Update LTPDAworkbench
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_NUTTALL3 returns Nuttall3 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_nuttall3.m,v 1.5 2011/05/25 07:30:08 mauro Exp $ % function varargout = win_nuttall3(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} = 0.375 - 0.5 * cos (z) + 0.125 * cos (2 * z); case 'define' % Make window struct w.type = 'Nuttall3'; w.alpha = 0; w.psll = 46.7; w.rov = 64.7; w.nenbw = 1.9444; w.w3db = 1.8496; w.flatness = -0.8630; w.len = N; w.skip = 0; varargout{1} = w; end % END