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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{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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