1 ## Copyright (C) 2007 Sylvain Pelissier <sylvain.pelissier@gmail.com>
3 ## This program is free software; you can redistribute it and/or modify it under
4 ## the terms of the GNU General Public License as published by the Free Software
5 ## Foundation; either version 3 of the License, or (at your option) any later
8 ## This program is distributed in the hope that it will be useful, but WITHOUT
9 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13 ## You should have received a copy of the GNU General Public License along with
14 ## this program; if not, see <http://www.gnu.org/licenses/>.
17 ## @deftypefn {Function File} {[@var{z}] =} genqamdemod(@var{y},@var{const})
18 ## Compute the general quadrature amplitude demodulation of y.
19 ## @seealso{genqammod,qammod,qamdemod}
22 function z = genqamdemod(y,const)
23 if ( nargin < 1 || nargin > 2)
24 error('usage : z = genqamdemod(y,const)');
27 if(isvector(const) ~= 1)
28 error('const must be a vector');
33 [val z(k,l)] = min(abs(y(k,l)-const));