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view main/comm/inst/genqamdemod.m @ 9666:67d4cfc5eeb3 octave-forge
comm: update license to GPLv3+
author | carandraug |
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date | Tue, 13 Mar 2012 04:31:21 +0000 |
parents | 063e3a8e6ed0 |
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## Copyright (C) 2007 Sylvain Pelissier <sylvain.pelissier@gmail.com> ## ## This program is free software; you can redistribute it and/or modify it under ## the terms of the GNU General Public License as published by the Free Software ## Foundation; either version 3 of the License, or (at your option) any later ## version. ## ## This program is distributed in the hope that it will be useful, but WITHOUT ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more ## details. ## ## You should have received a copy of the GNU General Public License along with ## this program; if not, see <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {[@var{z}] =} genqamdemod(@var{y},@var{const}) ## Compute the general quadrature amplitude demodulation of y. ## @seealso{genqammod,qammod,qamdemod} ## @end deftypefn function z = genqamdemod(y,const) if ( nargin < 1 || nargin > 2) error('usage : z = genqamdemod(y,const)'); end if(isvector(const) ~= 1) error('const must be a vector'); end for k = 1:size(y,1) for l = 1:size(y,2) [val z(k,l)] = min(abs(y(k,l)-const)); end end z = z -1;