+++ /dev/null
-c===========================================================================
-c
-c This file is part of TISEAN
-c
-c Copyright (c) 1998-2007 Rainer Hegger, Holger Kantz, Thomas Schreiber
-c
-c TISEAN is free software; you can redistribute it and/or modify
-c it under the terms of the GNU General Public License as published by
-c the Free Software Foundation; either version 2 of the License, or
-c (at your option) any later version.
-c
-c TISEAN is distributed in the hope that it will be useful,
-c but WITHOUT ANY WARRANTY; without even the implied warranty of
-c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-c GNU General Public License for more details.
-c
-c You should have received a copy of the GNU General Public License
-c along with TISEAN; if not, write to the Free Software
-c Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-c
-c===========================================================================
-c Wiener filter (2): filter using periodogram in file
-c author T. Schreiber (1998)
-c===========================================================================
- parameter(nx=1000000)
- dimension x(nx), a(nx)
- character*72 file, fout, ffin
- data h/1./, dh/0./
- data iverb/1/
-
- call whatido("Wiener filter (second part)",iverb)
- h=fcan("f",h)
- dh=fcan("w",dh)
- nmax=ican("l",nx)
- nexcl=ican("x",0)
- jcol=ican("c",0)
- isfin=igetfin(ffin,iverb)
- isout=igetout(fout,iverb)
- call nthstring(1,file)
- if(file.eq."-") stop "wiener2: cannot read stdin"
- call readfile(nmax,x,nexcl,jcol,file,iverb)
- call normal(nmax,x,sc,sd)
- nmaxp=nmore(nmax)
-
- if(dh.eq.0.) dh=h/nmaxp
- ibin=nmaxp*dh/(2*h)
- if(ibin.gt.0) write(istderr(),*)
- . "wiener1: binning", 2*ibin+1," frequencies"
- if(isout.eq.1) call addsuff(fout,file,"_amp")
- if(fout.eq." ") fout="-"
- call infile(fout,iunit,iverb)
- read(iunit,*) dum, a(1)
- do 10 i=2+ibin,(nmaxp+1)/2-ibin,2*ibin+1
- 10 read(iunit,*) dum, a(2*i-2)
- if(mod(nmaxp,2).eq.0) read(iunit,*)
- . dum, a(nmaxp)
- d=tospec(nmaxp,a,x,ibin)
- if(iv_io(iverb).eq.1) write(istderr(),*) "rms correction: ", d
- if(isfin.eq.1) call addsuff(ffin,file,"_wc")
- do 20 n=1,nmax
- 20 x(n)=x(n)+sc
- call writefile(nmax,x,ffin,iverb)
- end
-
- subroutine usage()
-c usage message
-
- call whatineed(
- . "[-f# -w# -o outfile1 -O outfile -l# -x# -c# -V# -h] file")
- call ptext("to provide periodogram, first run:"//
- . " wiener1 [-f# -w# -o outfile -l# -x# -c# -V# -h] file")
- call ptext("make sure -f# -w# are the same in both wiener calls")
- call popt("f","sampling rate (e.g. in Hz, default 1.)")
- call popt("w","frequency resolution (e.g. in Hz, default 1/N)")
- call popt("l","number of values to be read (all)")
- call popt("x","number of values to be skipped (0)")
- call popt("c","column to be read (1 or file,#)")
- call popt("o","output file of wiener1, just -o means file_amp")
- call popt("O","final output file name, just -O means file_wc")
- call pall()
- call ptext("Note: ""-"" not accepted as file")
- write(istderr(),'()')
- stop
- end
-
- function igetfin(fout,iverb)
-c gets alternate output file name, default " "
-c return 1 if fout must be determined from input file name
- character*(*) fout
-
- igetfin=0
- call stcan("O",fout," ")
- if(fout.ne." ") return
- igetfin=lopt("O",1)
- end