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#
# Copyright 2001,2005 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio 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, or (at your option)
# any later version.
#
# GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
function v = read_xambi (filename)
## usage: read_xambi (filename)
##
## read binary cross-ambiguity data from radar tools.
## The file has an 8 float header, the first word of which specifies
## the number of doppler bins.
## returns a matrix
if ((m = nargchk (1,1,nargin)))
usage (m);
endif;
f = fopen (filename, "rb");
if (f < 0)
v = 0;
else
header = fread(f, 8, "float");
ndoppler_bins = header(1)
min_doppler = header(2)
max_doppler = header(3)
v = fread (f, [ndoppler_bins, Inf], "float");
fclose (f);
endif;
endfunction;
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