Mercurial > hg > ltpda
view m-toolbox/classes/@specwin/win_nuttall4a.m @ 47:dd93c9ba6624 database-connection-manager
Fix Java dialog
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
---|---|
date | Tue, 06 Dec 2011 19:07:27 +0100 |
parents | f0afece42f48 |
children |
line wrap: on
line source
% WIN_NUTTALL4A returns Nuttall4a 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_nuttall4a.m,v 1.5 2011/05/25 07:30:08 mauro Exp $ % function varargout = win_nuttall4a(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} = 0.338946 - 0.481973 * cos (z) + 0.161054 * cos (2 * z) - 0.018027 * cos (3 * z); case 'define' % Make window struct w.type = 'Nuttall4a'; w.alpha = 0; w.psll = 82.6; w.rov = 68; w.nenbw = 2.1253; w.w3db = 2.0123; w.flatness = -0.7321; w.len = N; w.skip = 0; varargout{1} = w; end % END