mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-18 10:01:57 -05:00
ec9855fd6b
it's much better than it was. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5589 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
141 lines
3.2 KiB
Fortran
141 lines
3.2 KiB
Fortran
subroutine avg4(nutc,snrsync,dtxx,flip,nfreq,mode4,ntol,ndepth,neme, &
|
|
mycall,hiscall,hisgrid,nfanoave,avemsg,qave,deepave,ichbest,ndeepave)
|
|
|
|
! Decodes averaged JT4 data
|
|
|
|
use jt4
|
|
character*22 avemsg,deepave,deepbest
|
|
character mycall*12,hiscall*12,hisgrid*6
|
|
character*1 csync,cused(64)
|
|
real sym(207,7)
|
|
integer iused(64)
|
|
logical first
|
|
data first/.true./
|
|
save
|
|
|
|
if(first) then
|
|
iutc=-1
|
|
nfsave=0
|
|
dtdiff=0.2
|
|
first=.false.
|
|
endif
|
|
|
|
do i=1,64
|
|
if(nutc.eq.iutc(i) .and. abs(nhz-nfsave(i)).le.ntol) go to 10
|
|
enddo
|
|
|
|
! Save data for message averaging
|
|
iutc(nsave)=nutc
|
|
syncsave(nsave)=snrsync
|
|
dtsave(nsave)=dtxx
|
|
nfsave(nsave)=nfreq
|
|
flipsave(nsave)=flip
|
|
ppsave(1:207,1:7,nsave)=rsymbol(1:207,1:7)
|
|
|
|
10 sym=0.
|
|
syncsum=0.
|
|
dtsum=0.
|
|
nfsum=0
|
|
nsum=0
|
|
|
|
do i=1,64
|
|
cused(i)='.'
|
|
if(iutc(i).lt.0) cycle
|
|
if(mod(iutc(i),2).ne.mod(nutc,2)) cycle !Use only same (odd/even) sequence
|
|
if(abs(dtxx-dtsave(i)).gt.dtdiff) cycle !DT must match
|
|
if(abs(nfreq-nfsave(i)).gt.ntol) cycle !Freq must match
|
|
if(flip.ne.flipsave(i)) cycle !Sync (*/#) must match
|
|
sym(1:207,1:7)=sym(1:207,1:7) + ppsave(1:207,1:7,i)
|
|
syncsum=syncsum + syncsave(i)
|
|
dtsum=dtsum + dtsave(i)
|
|
nfsum=nfsum + nfsave(i)
|
|
cused(i)='$'
|
|
nsum=nsum+1
|
|
iused(nsum)=i
|
|
enddo
|
|
if(nsum.lt.64) iused(nsum+1)=0
|
|
|
|
syncave=0.
|
|
dtave=0.
|
|
fave=0.
|
|
if(nsum.gt.0) then
|
|
sym=sym/nsum
|
|
syncave=syncsum/nsum
|
|
dtave=dtsum/nsum
|
|
fave=float(nfsum)/nsum
|
|
endif
|
|
|
|
! rewind 80
|
|
do i=1,nsave
|
|
csync='*'
|
|
if(flipsave(i).lt.0.0) csync='#'
|
|
write(14,1000) cused(i),iutc(i),syncsave(i)-5.0,dtsave(i),nfsave(i),csync
|
|
1000 format(a1,i5.4,f6.1,f6.2,i6,1x,a1)
|
|
enddo
|
|
|
|
sqt=0.
|
|
sqf=0.
|
|
do j=1,64
|
|
i=iused(j)
|
|
if(i.eq.0) exit
|
|
csync='*'
|
|
if(flipsave(i).lt.0.0) csync='#'
|
|
! write(80,3001) i,iutc(i),syncsave(i),dtsave(i),nfsave(i),csync
|
|
!3001 format(i3,i6.4,f6.1,f6.2,i6,1x,a1)
|
|
sqt=sqt + (dtsave(i)-dtave)**2
|
|
sqf=sqf + (nfsave(i)-fave)**2
|
|
enddo
|
|
rmst=0.
|
|
rmsf=0.
|
|
if(nsum.ge.2) then
|
|
rmst=sqrt(sqt/(nsum-1))
|
|
rmsf=sqrt(sqf/(nsum-1))
|
|
endif
|
|
! write(80,3002)
|
|
!3002 format(16x,'----- -----')
|
|
! write(80,3003) dtave,nint(fave)
|
|
! write(80,3003) rmst,nint(rmsf)
|
|
!3003 format(15x,f6.2,i6)
|
|
! flush(80)
|
|
|
|
! nadd=nused*mode4
|
|
kbest=ich1
|
|
do k=ich1,ich2
|
|
call extract4(sym(1,k),ncount,avemsg) !Do the Fano decode
|
|
nfanoave=0
|
|
if(ncount.ge.0) then
|
|
ichbest=k
|
|
nfanoave=nsum
|
|
go to 900
|
|
endif
|
|
if(nch(k).ge.mode4) exit
|
|
enddo
|
|
|
|
deepave=' '
|
|
qave=0.
|
|
|
|
! Possibly should pass nadd=nused, also ?
|
|
if(ndepth.ge.3) then
|
|
flipx=1.0 !Normal flip not relevant for ave msg
|
|
qbest=0.
|
|
do k=ich1,ich2
|
|
call deep4(sym(2,k),neme,flipx,mycall,hiscall,hisgrid,deepave,qave)
|
|
! write(82,3101) nutc,sym(51:53,k),flipx,k,qave,deepave
|
|
!3101 format(i4.4,4f8.1,i3,f7.2,2x,a22)
|
|
if(qave.gt.qbest) then
|
|
qbest=qave
|
|
deepbest=deepave
|
|
kbest=k
|
|
ndeepave=nsum
|
|
endif
|
|
if(nch(k).ge.mode4) exit
|
|
enddo
|
|
|
|
deepave=deepbest
|
|
qave=qbest
|
|
ichbest=kbest
|
|
endif
|
|
|
|
900 return
|
|
end subroutine avg4
|