diff options
Diffstat (limited to 'gnuradio-core/src/utils/plotfftavgk.m')
-rw-r--r-- | gnuradio-core/src/utils/plotfftavgk.m | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/gnuradio-core/src/utils/plotfftavgk.m b/gnuradio-core/src/utils/plotfftavgk.m deleted file mode 100644 index c82c540f39..0000000000 --- a/gnuradio-core/src/utils/plotfftavgk.m +++ /dev/null @@ -1,61 +0,0 @@ -# -# Copyright 2002 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 plotfftavgk_db (all_data, k, sample_rate) - - if (nargin == 2) - sample_rate = 1.0; - endif; - - if ((m = nargchk (2,3,nargin))) - usage (m); - endif; - - ## len = 1024; - len = 8192; - ##window = ones (len, 1); - window = kaiser (len, 5); - - s = zeros (len,1); - - count = min (100, floor (length (all_data)/len)); - - for i = 0:count-1; - data = all_data((k+i)*len + 1 : (k+i+1)*len); - s = s + abs (fft (data.*window)); - endfor; - - s = s ./ count; - - incr = sample_rate/len; - min_x = -sample_rate/2; - max_x = sample_rate/2 - incr; - - x = min_x:incr:max_x; - ## y = 20 * log10(fftshift(s)); - y = (fftshift(s)); - plot (x, y); - - i = find (y == max(y)) - x(i) - y(i) - -endfunction |