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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; see the file COPYING. If not, see
## <https://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{y} =} gmonopuls (@var{t},@var{fc})
## Return the gaussian monopulse.
## @end deftypefn
function y = gmonopuls(t, fc = 1e3)
if (nargin<1 || nargin > 2), print_usage; endif
if fc < 0 , error("fc must be positive"); endif
y = 2*sqrt(exp(1)) .* pi.*t.*fc.*exp(-2 .* (pi.*t.*fc).^2);
endfunction
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