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Merging code for v1.1 back into the main wsjtx branch.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3462 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
2013-07-08 13:17:22 +00:00
parent ba61cfde6a
commit 3dc6abc0c1
75 changed files with 4807 additions and 3514 deletions
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lib/decoder.f90
+48 -68
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@@ -1,23 +1,21 @@
subroutine decoder(ss,c0,nstandalone)
subroutine decoder(ss,id2)
! Decoder for JT9.
parameter (NTMAX=120)
parameter (NMAX=NTMAX*12000) !Total sample intervals per 30 minutes
parameter (NDMAX=NTMAX*1500) !Sample intervals at 1500 Hz rate
parameter (NSMAX=1365) !Max length of saved spectra
include 'constants.f90'
real ss(184,NSMAX)
character*22 msg
character*80 fmt
character*20 datetime
real*4 ccfred(NSMAX)
real*4 red2(NSMAX)
logical ccfok(NSMAX)
logical done(NSMAX)
logical done65
integer*2 id2(NTMAX*12000)
real*4 dd(NTMAX*12000)
integer*1 i1SoftSymbols(207)
complex c0(NDMAX)
common/npar/nutc,ndiskdat,ntrperiod,nfqso,newdat,npts8,nfa,nfb,ntol, &
kin,nzhsym,nsave,nagain,ndepth,nrxlog,nfsample,datetime
kin,nzhsym,nsave,nagain,ndepth,ntxmode,nmode,datetime
common/tracer/limtrace,lu
save
@@ -27,48 +25,40 @@ subroutine decoder(ss,c0,nstandalone)
ndecodes0=0
ndecodes1=0
call timer('decoder ',0)
open(13,file='decoded.txt',status='unknown')
ntrMinutes=ntrperiod/60
newdat=1
open(22,file='kvasd.dat',access='direct',recl=1024,status='unknown')
npts65=52*12000
ntol65=20
done65=.false.
if(nmode.ge.65 .and. ntxmode.eq.65) then
if(newdat.ne.0) dd(1:npts65)=id2(1:npts65)
call jt65a(dd,npts65,newdat,nutc,nfa,nfqso,ntol65,nagain,ndecoded)
done65=.true.
endif
if(nmode.eq.65) go to 800
nsynced=0
ndecoded=0
nsps=0
if(ntrMinutes.eq.1) then
nsps=6912
df3=1500.0/2048.0
fmt='(i4.4,i4,i5,f6.1,f8.0,i4,3x,a22)'
else if(ntrMinutes.eq.2) then
nsps=15360
df3=1500.0/2048.0
fmt='(i4.4,i4,i5,f6.1,f8.0,i4,3x,a22)'
else if(ntrMinutes.eq.5) then
nsps=40960
df3=1500.0/6144.0
fmt='(i4.4,i4,i5,f6.1,f8.1,i4,3x,a22)'
else if(ntrMinutes.eq.10) then
nsps=82944
df3=1500.0/12288.0
fmt='(i4.4,i4,i5,f6.1,f8.2,i4,3x,a22)'
else if(ntrMinutes.eq.30) then
nsps=252000
df3=1500.0/32768.0
fmt='(i4.4,i4,i5,f6.1,f8.2,i4,3x,a22)'
endif
if(nsps.eq.0) stop 'Error: bad TRperiod' !Better: return an error code###
nsps=6912 !Params for JT9-1
df3=1500.0/2048.0
tstep=0.5*nsps/12000.0 !Half-symbol step (seconds)
done=.false.
ia=max(1,nint((nfa-1000)/df3))
ib=min(NSMAX,nint((nfb-1000)/df3))
nf0=0
ia=max(1,nint((nfa-nf0)/df3))
ib=min(NSMAX,nint((nfb-nf0)/df3))
lag1=-(2.5/tstep + 0.9999)
lag2=5.0/tstep + 0.9999
call timer('sync9 ',0)
call sync9(ss,nzhsym,lag1,lag2,ia,ib,ccfred,red2,ipk)
call timer('sync9 ',1)
if(newdat.ne.0) then
call timer('sync9 ',0)
call sync9(ss,nzhsym,lag1,lag2,ia,ib,ccfred,red2,ipk)
call timer('sync9 ',1)
endif
nsps8=nsps/8
df8=1500.0/nsps8
@@ -94,24 +84,22 @@ subroutine decoder(ss,c0,nstandalone)
ccfok(ia:ib)=.true.
nfa1=nfqso-ntol
nfb1=nfqso+ntol
ia=max(1,nint((nfa1-1000)/df3))
ib=min(NSMAX,nint((nfb1-1000)/df3))
ia=max(1,nint((nfa1-nf0)/df3))
ib=min(NSMAX,nint((nfb1-nf0)/df3))
ia1=ia
ib1=ib
else
nfa1=nfa
nfb1=nfb
ia=max(1,nint((nfa1-1000)/df3))
ib=min(NSMAX,nint((nfb1-1000)/df3))
ia=max(1,nint((nfa1-nf0)/df3))
ib=min(NSMAX,nint((nfb1-nf0)/df3))
do i=ia,ib
ccfok(i)=ccfred(i).gt.ccflim .and. red2(i).gt.red2lim
enddo
ccfok(ia1:ib1)=.false.
endif
nRxLog=0
fgood=0.
do i=ia,ib
f=(i-1)*df3
if(done(i) .or. (.not.ccfok(i)) .or. (ccfred(i).lt.ccflim-1.0)) cycle
@@ -122,9 +110,9 @@ subroutine decoder(ss,c0,nstandalone)
if(nqd.eq.1) nfreqs1=nfreqs1+1
call timer('softsym ',0)
fpk=1000.0 + df3*(i-1)
call softsym(c0,npts8,nsps8,newdat,fpk,syncpk,snrdb,xdt,freq, &
drift,schk,i1SoftSymbols)
fpk=nf0 + df3*(i-1)
call softsym(id2,npts8,nsps8,newdat,fpk,syncpk,snrdb,xdt, &
freq,drift,schk,i1SoftSymbols)
call timer('softsym ',1)
if(schk.ge.schklim) then
@@ -140,16 +128,14 @@ subroutine decoder(ss,c0,nstandalone)
nsnr=nint(snrdb)
ndrift=nint(drift/df3)
! write(38,3002) nutc,nqd,nsnr,i,freq,ndrift,ccfred(i), &
! red2(i),schk,nlim,msg
!3002 format(i4.4,i2,i4,i5,f7.1,i4,f5.1,f6.1,f5.1,i8,1x,a22)
if(msg.ne.' ') then
if(nqd.eq.0) ndecodes0=ndecodes0+1
if(nqd.eq.1) ndecodes1=ndecodes1+1
write(*,fmt) nutc,nsync,nsnr,xdt,freq,ndrift,msg
write(13,fmt) nutc,nsync,nsnr,xdt,freq,ndrift,msg
write(*,1000) nutc,nsnr,xdt,nint(freq),msg
1000 format(i4.4,i4,f5.1,i5,1x,'@',1x,a22)
write(13,1002) nutc,nsync,nsnr,xdt,freq,ndrift,msg
1002 format(i4.4,i4,i5,f6.1,f8.0,i4,3x,a22,' JT9')
iaa=max(1,i-1)
ibb=min(NSMAX,i+22)
@@ -160,8 +146,6 @@ subroutine decoder(ss,c0,nstandalone)
done(iaa:ibb)=.true.
call flush(6)
endif
else
! write(38,3002) nutc,nqd,-99,i,freq,ndrift,ccfred(i),red2(i),schk,0
endif
endif
enddo
@@ -169,21 +153,17 @@ subroutine decoder(ss,c0,nstandalone)
if(nagain.ne.0) exit
enddo
write(*,1010) nsynced,ndecoded
if(nmode.ge.65 .and. (.not.done65)) then
if(newdat.ne.0) dd(1:npts65)=id2(1:npts65)
call jt65a(dd,npts65,newdat,nutc,nfa,nfqso,ntol65,nagain,ndecoded)
endif
!### JT65 is not yet producing info for nsynced, ndecoded.
800 write(*,1010) nsynced,ndecoded
1010 format('<DecodeFinished>',2i4)
call flush(6)
close(13)
! call flush(14)
call timer('decoder ',1)
if(nstandalone.eq.0) call timer('decoder ',101)
call system_clock(iclock,iclock_rate,iclock_max)
! write(39,3001) nutc,nfreqs1,nfreqs0,ndecodes1,ndecodes0, &
! float(iclock-iclock0)/iclock_rate
!3001 format(5i8,f10.3)
! call flush(38)
! call flush(39)
close(22)
return
end subroutine decoder