diff options
Diffstat (limited to 'gnuradio-core/src/utils/plotfftk_db.m')
| -rw-r--r-- | gnuradio-core/src/utils/plotfftk_db.m | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/gnuradio-core/src/utils/plotfftk_db.m b/gnuradio-core/src/utils/plotfftk_db.m deleted file mode 100644 index b2c85412f7..0000000000 --- a/gnuradio-core/src/utils/plotfftk_db.m +++ /dev/null @@ -1,43 +0,0 @@ -# -# Copyright 2001 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 plotfftk_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; - data = all_data(k*len + 1 : (k+1)*len); - ## s = fft (data.*kaiser(len, 5)); - ## s = fft (data.*hamming(len)); - s = fft (data.*hanning(len)); - - incr = sample_rate/len; - min_x = -sample_rate/2; - max_x = sample_rate/2 - incr; - plot (min_x:incr:max_x, 20 * log10(abs(fftshift(s)))); - -endfunction |