Mercurial > hg > ltpda
view m-toolbox/classes/@specwin/win_hft248d.m @ 3:960fe1aa1c10 database-connection-manager
Add LTPDADatabaseConnectionManager implementation. Java code
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Mon, 05 Dec 2011 16:20:06 +0100 |
parents | f0afece42f48 |
children |
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% WIN_HFT248D returns HFT248D 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_hft248d.m,v 1.5 2011/05/25 07:30:08 mauro Exp $ % function varargout = win_hft248d(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} = (1 - 1.985844164102 * cos(z) + ... 1.791176438506 * cos (2 * z) - 1.282075284005 * cos (3 * z) + ... 0.667777530266 * cos (4 * z) - 0.240160796576 * cos (5 * z) + ... 0.056656381764 * cos (6 * z) - 0.008134974479 * cos (7 * z) + ... 0.000624544650 * cos (8 * z) - 0.000019808998 * cos (9 * z) + ... 0.000000132974 * cos (10 * z)); case 'define' % Make window struct w.type = 'HFT248D'; w.alpha = 0; w.psll = 248.4; w.rov = 84.1; w.nenbw = 5.6512; w.w3db = 5.5567; w.flatness = 0.0009; w.len = N; w.skip = 0; varargout{1} = w; end % END