www.pudn.com > tftb2002toolbox.rar > istfr2.m

function flag=istfr2(method); 
% flag=istfr2(method) returns true is method is a 
% time frequency representation of type 2 (only positive frequencies). 
%	See also istfr1, istfraff. 
 
%	F. Auger, may 98 
%	Copyright (c) CNRS - France 1998.  
% 
%	------------------- CONFIDENTIAL PROGRAM --------------------  
%	This program can not be used without the authorization of its 
%	author(s). For any comment or bug report, please send e-mail to  
%	f.auger@ieee.org  
 
method=upper(method); 
if strcmp(method,'TFRWV'   ) | strcmp(method,'TFRPWV'  ) | ... 
   strcmp(method,'TFRSPWV' ) | strcmp(method,'TFRCW'   ) | ... 
   strcmp(method,'TFRZAM'  ) | strcmp(method,'TFRBJ'   ) | ... 
   strcmp(method,'TFRBUD'  ) | strcmp(method,'TFRGRD'  ) | ... 
   strcmp(method,'TFRRSPWV') | strcmp(method,'TFRRPWV' ) | ... 
   strcmp(method,'TFRRIDB' ) | strcmp(method,'TFRRIDH' ) | ... 
   strcmp(method,'TFRRIDT' ) | strcmp(method,'TFRASPW' ) | ... 
   strcmp(method,'TFRDFLA' ) | strcmp(method,'TFRSPAW' ) | ... 
   strcmp(method,'TFRRIDBN') | strcmp(method,'TFRUNTER') | ... 
   strcmp(method,'TFRBERT' ) | strcmp(method,'TFRSCALO') | ... 
   strcmp(method,'TFRSPBK' ) | strcmp(method,'TYPE2'   ), 
 flag=1; 
else 
 flag=0; 
end;