gusucode.com > DSISoft是由加拿大地质调查局发布的用于垂直地震剖面(VSP)数据处理的免费软件包 > dsisoftv3/main/subr.m
function [dataout]=subr(datain1,datain2) %function [dataout]=subr(datain1,datain2) % %subtracts traces in datain1.dat from those in datain2.dat and outputs %the resulting traces to dataout %similar to INSIGHT module 'subr' % %datain1 and datain2 must have same number of records, traces, points per %trace, and time scales %user should make sure that same time shifts have been applied to both % %DSI customized VSP processing software %written by Kristen Beaty November, 1997 %$Id: subr.m,v 3.0 2000/06/13 19:22:11 gilles Exp $ %$Log: subr.m,v $ %Revision 3.0 2000/06/13 19:22:11 gilles %Release 3 % %Revision 2.0 1999/05/21 18:46:42 mah %Release 2 % %Revision 1.1 1999/01/06 19:09:09 kay %Initial revision % % %Copyright (C) 1998 Seismology and Electromagnetic Section/ %Continental Geosciences Division/Geological Survey of Canada % %This library is free software; you can redistribute it and/or %modify it under the terms of the GNU Library General Public %License as published by the Free Software Foundation; either %version 2 of the License, or (at your option) any later version. % %This library 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 %Library General Public License for more details. % %You should have received a copy of the GNU Library General Public %License along with this library; if not, write to the %Free Software Foundation, Inc., 59 Temple Place - Suite 330, %Boston, MA 02111-1307, USA. % %DSI Consortium %Continental Geosciences Division %Geological Survey of Canada %615 Booth St. %Ottawa, Ontario %K1A 0E9 % %email: dsi@cg.nrcan.gc.ca disp('[dataout]=subr(datain1,datain2)'); %check to make sure datain1 and datain2 match in size for i=[1 7 8 9 10 12 13] if datain1.fh{i}~=datain2.fh{i} error('file headers not the same for both input variables'); end %if end %for dataout.fh=datain2.fh; nrec=datain1.fh{12}; for COUNT=1:nrec %loop over records dataout.dat{COUNT}=datain2.dat{COUNT}-datain1.dat{COUNT}; dataout.th{COUNT}=datain2.th{COUNT}; end %loop over records