www.gusucode.com > 线性时频分析工具箱 - ltfat-1.0.1源码程序 > 线性时频分析工具箱 - LTFAT\signals\bat.m
function s=bat() %BAT Load the 'bat' test signal. % Usage: s=bat; % % BAT loads the 'bat' signal. It is a 400 samples long recording % of a bat chirp sampled with a sampling period of 7 microseconds. % This gives a sampling rate of 143 khz. % % The signal can be obtained from % http://dsp.rice.edu/software/bat-echolocation-chirp % % Please acknowledge use of this data in publications as follows: % ``The author wishes to thank Curtis Condon, Ken White, and Al Feng of % the Beckman Institute of the University of Illinois for the bat data % and for permission to use it in this paper.'' % % See also: batmask % Copyright (C) 2005-2011 Peter L. Soendergaard. % This file is part of LTFAT version 1.0.1 % 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/>. % AUTHOR : Peter Soendergaard % TESTING: TEST_SIGNALS % REFERENCE: OK if nargin>0 error('This function does not take input arguments.') end; f=mfilename('fullpath'); s=load('-ascii',[f,'.asc']);