view m-toolbox/classes/@specwin/win_kaiser.m @ 34:03d92954b939
database-connection-manager
Improve look of LTPDAPreferences diaolog
author
Daniele Nicolodi <nicolodi@science.unitn.it>
date
Mon, 05 Dec 2011 16:20:06 +0100 (2011-12-05)
parents
f0afece42f48
children
line source
+ − % WIN_KAISER returns Kaiser window, with N points and psll peak sidelobe level.
+ − % If mode == 'define', the window values will be empty and all the features
+ − % If mode == 'build', the window values will be calculated
+ − %
+ − % A Grynagier 03/01/2010
+ − %
+ − % $Id: win_kaiser.m,v 1.2 2011/05/25 07:30:08 mauro Exp $
+ − %
+ −
+ − function varargout = win_kaiser(w, mode, N, psll)
+ −
+ − switch lower(mode)
+ −
+ − case 'build'
+ − n_args = nargin;
+ − if n_args < 3
+ − N = w.len;
+ − end
+ −
+ − % Compute window samples
+ − % - here we adjust to make the window asymmetric
+ − v = kaiser(N+1, pi*w.alpha)';
+ − varargout{1} = v(1:end-1);
+ −
+ − case 'define'
+ − % Make window struct
+ − w.type = 'Kaiser';
+ − w.alpha = specwin.kaiser_alpha(psll);
+ − w.psll = psll;
+ − w.rov = specwin.kaiser_rov(w.alpha);
+ − w.nenbw = specwin.kaiser_nenbw(w.alpha);
+ − w.w3db = specwin.kaiser_w3db(w.alpha);
+ − w.flatness = specwin.kaiser_flatness(w.alpha);
+ − w.len = N;
+ − w.skip = 0;
+ −
+ − varargout{1} = w;
+ − end