From d50ca6a0777f322645c515ce7a29d00c3dca14ec Mon Sep 17 00:00:00 2001
From: Joe Taylor <k1jt@arrl.org>
Date: Tue, 16 Apr 2013 18:33:38 +0000
Subject: [PATCH] Fine-tuning work on decoder.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3181 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
---
 lib/decoder.f90 | 16 ++++++++--------
 lib/fillcom.f90 |  4 ++--
 lib/jt9.f90     | 12 +++++++-----
 mainwindow.cpp  |  2 +-
 4 files changed, 18 insertions(+), 16 deletions(-)

diff --git a/lib/decoder.f90 b/lib/decoder.f90
index db1118387..98ab94e70 100644
--- a/lib/decoder.f90
+++ b/lib/decoder.f90
@@ -63,10 +63,10 @@ subroutine decoder(ss,c0,nstandalone)
 
   do nqd=1,0,-1
      limit=5000
-     ccflim=4.0
+     ccflim=3.7
      if(ndepth.ge.2) then
         limit=50000
-        ccflim=3.0
+        ccflim=2.9
      endif
      if(ndepth.ge.3 .or. nqd.eq.1) then
         limit=200000
@@ -92,8 +92,8 @@ subroutine decoder(ss,c0,nstandalone)
         ib1=ib
      else
         do i=ia+9,ib-25
-           t1=ccfred(i)/(sum(ccfred(i-8:i-6)/3.0))
-           t2=ccfred(i)/(sum(ccfred(i+23:i+25)/3.0))
+           t1=ccfred(i)/(sum(ccfred(i-8:i-6)/ccflim))
+           t2=ccfred(i)/(sum(ccfred(i+23:i+25)/ccflim))
            if(t1.ge.ccflim .and. t2.ge.ccflim) ccfok(i)=.true.
         enddo
         ccfok(ia1:ib1)=.false.
@@ -115,7 +115,7 @@ subroutine decoder(ss,c0,nstandalone)
         if(done(i) .or. (.not.ccfok(i)) .or. (ccfred(i).lt.ccflim-1.0) .or. &
              (ccfred(i).lt.ccfred(i+1))) cycle
         if(nqd.eq.1 .or.                                                   &
-           (ccfred(i).ge.3.0 .and. abs(f-fgood).gt.10.0*df8)) then
+           (ccfred(i).ge.ccflim .and. abs(f-fgood).gt.10.0*df8)) then
            call timer('decode9a',0)
            fpk=1000.0 + df3*(i-1)
            c1(1:npts8)=conjg(c0(1:npts8))
@@ -136,8 +136,8 @@ subroutine decoder(ss,c0,nstandalone)
            if(msg.ne.'                      ') then
               write(*,fmt) nutc,nsync,nsnr,xdt,freq,ndrift,msg
               write(13,fmt) nutc,nsync,nsnr,xdt,freq,ndrift,msg
-              write(14,1014) nutc,nsync,nsnr,xdt,freq,ndrift,ccfred(i),nlim,msg
-1014          format(i4.4,i4,i5,f6.1,f8.0,i4,f9.1,i9,3x,a22)
+!              write(14,1014) nutc,nsync,nsnr,xdt,freq,ndrift,ccfred(i),nlim,msg
+!1014          format(i4.4,i4,i5,f6.1,f8.0,i4,f9.1,i9,3x,a22)
               iaa=max(1,i-3)
               ibb=min(NSMAX,i+11)
               fgood=f
@@ -157,7 +157,7 @@ subroutine decoder(ss,c0,nstandalone)
 1010 format('<DecodeFinished>',2i4)
   call flush(6)
   close(13)
-  call flush(14)
+!  call flush(14)
 
   call timer('decoder ',1)
   if(nstandalone.eq.0) call timer('decoder ',101)
diff --git a/lib/fillcom.f90 b/lib/fillcom.f90
index 6b8022aa9..adb76710b 100644
--- a/lib/fillcom.f90
+++ b/lib/fillcom.f90
@@ -1,4 +1,4 @@
-subroutine fillcom(nutc0)
+subroutine fillcom(nutc0,ndepth0)
   character*20 datetime
   common/npar/nutc,ndiskdat,ntrperiod,nfqso,newdat,npts8,nfa,nfb,ntol,  &
        kin,nzhsym,nsave,nagain,ndepth,nrxlog,nfsample,datetime
@@ -16,7 +16,7 @@ subroutine fillcom(nutc0)
   kin=1024
   nzhsym=173
   nsave=0
-  ndepth=3
+  ndepth=ndepth0
   nrxlog=1
   nfsample=12000
   datetime="2013-Apr-16 15:13"
diff --git a/lib/jt9.f90 b/lib/jt9.f90
index d1331d57f..1c1e9d49d 100644
--- a/lib/jt9.f90
+++ b/lib/jt9.f90
@@ -25,7 +25,7 @@ program jt9
 
   nargs=iargc()
   if(nargs.lt.1) then
-     print*,'Usage: jt9 TRperiod file1 [file2 ...]'
+     print*,'Usage: jt9 TRperiod ndepth file1 [file2 ...]'
      print*,'       Reads data from *.wav files.'
      print*,''
      print*,'       jt9 -s'
@@ -39,8 +39,10 @@ program jt9
      go to 999
   endif
   read(arg,*) ntrperiod
+  call getarg(2,arg)
+  read(arg,*) ndepth
 
-  ifile1=2
+  ifile1=3
 
   limtrace=0
   lu=12
@@ -50,7 +52,7 @@ program jt9
   nfqso=1500
   newdat=1
   nb=0
-  nbslider=100
+  nbslider=30
   limit=20000
   ndiskdat=1
 
@@ -110,12 +112,12 @@ program jt9
                 s,ccfred,df3,ihsym,nzap,slimit,lstrong,npts8)
            call timer('symspec ',1)
            nhsym0=nhsym
-           if(ihsym.ge.184) go to 10
+           if(ihsym.ge.173) go to 10
         endif
      enddo
 
 10   close(10)
-     call fillcom(nutc0)
+     call fillcom(nutc0,ndepth)
      call decoder(ss,c0,1)
   enddo
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index a059bcb3b..51d04110e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -1,4 +1,4 @@
-//--------------------------------------------------------------- MainWindow
+//-------------------------------------------------------------- MainWindow
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "devsetup.h"