mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-05 00:41:19 -05:00
Remove some debug code.
This commit is contained in:
Steven Franke
parent
41258a5ddc
commit
e2c2228d36
@ -43,7 +43,6 @@ contains
|
||||
procedure(fst4_decode_callback) :: callback
|
||||
character*37 decodes(100)
|
||||
character*37 msg,msgsent
|
||||
character*8 s_nfa_nfb
|
||||
character*20 wcalls(MAXWCALLS), wpart
|
||||
character*77 c77
|
||||
character*12 mycall,hiscall
|
||||
@ -264,259 +263,281 @@ contains
|
||||
inb1=0 !Fixed NB value, 0 to 25%
|
||||
endif
|
||||
|
||||
! If environment variable FST4W_ALSO_FST4 exists then, when in FST4W mode,
|
||||
! do a second pass for FST4 decodes. The value of FST4W_ALSO_FST4
|
||||
! is of the form xxxxyyyy where nfa=xxxx and nfb=yyyy are the
|
||||
! search limits for the FST4 decoding pass, e.g.
|
||||
! FST4W_ALSO_FST4=08001700 will set FST4 search window to [800Hz,1700Hz]
|
||||
!
|
||||
nmode=1
|
||||
call get_environment_variable("FST4W_ALSO_FST4",s_nfa_nfb,nlength)
|
||||
if(iwspr.eq.1 .and. nlength.eq.8) then
|
||||
read(s_nfa_nfb,"(i4.4,i4.4)") nfa_mode2,nfb_mode2
|
||||
nmode=2
|
||||
if(nfa_mode2.lt.100 .or. nfb_mode2.gt.4910 .or. nfb_mode2.le.nfa_mode2) nmode=1
|
||||
endif
|
||||
|
||||
do imode=1,nmode
|
||||
if(imode.eq.1) iwspr=1
|
||||
if(imode.eq.2) then ! this is FST4 after a FST4W pass
|
||||
iwspr=0
|
||||
nfa=nfa_mode2
|
||||
nfb=nfb_mode2
|
||||
endif
|
||||
|
||||
! nfa,nfb: define the noise-baseline analysis window
|
||||
! fa, fb: define the signal search window
|
||||
! We usually make nfa<fa and nfb>fb so that noise baseline analysis
|
||||
! window extends outside of the [fa,fb] window where we think the signals are.
|
||||
!
|
||||
if(iwspr.eq.1) then !FST4W
|
||||
nfa=max(100,nfqso-ntol-100)
|
||||
nfb=min(4800,nfqso+ntol+100)
|
||||
fa=max(100,nint(nfqso+1.5*baud-ntol)) ! signal search window
|
||||
fb=min(4800,nint(nfqso+1.5*baud+ntol))
|
||||
else if(iwspr.eq.0) then
|
||||
if(imode.eq.1 .and. single_decode) then
|
||||
fa=max(100,nint(nfa+1.5*baud))
|
||||
fb=min(4800,nint(nfb+1.5*baud))
|
||||
! extend noise fit 100 Hz outside of search window
|
||||
nfa=max(100,nfa-100)
|
||||
nfb=min(4800,nfb+100)
|
||||
else
|
||||
fa=max(100,nint(nfa+1.5*baud))
|
||||
fb=min(4800,nint(nfb+1.5*baud))
|
||||
! extend noise fit 100 Hz outside of search window
|
||||
nfa=max(100,nfa-100)
|
||||
nfb=min(4800,nfb+100)
|
||||
endif
|
||||
if(iwspr.eq.1) then !FST4W
|
||||
nfa=max(100,nfqso-ntol-100)
|
||||
nfb=min(4800,nfqso+ntol+100)
|
||||
fa=max(100,nint(nfqso+1.5*baud-ntol)) ! signal search window
|
||||
fb=min(4800,nint(nfqso+1.5*baud+ntol))
|
||||
else if(iwspr.eq.0) then
|
||||
if(single_decode) then
|
||||
fa=max(100,nint(nfa+1.5*baud))
|
||||
fb=min(4800,nint(nfb+1.5*baud))
|
||||
! extend noise fit 100 Hz outside of search window
|
||||
nfa=max(100,nfa-100)
|
||||
nfb=min(4800,nfb+100)
|
||||
else
|
||||
fa=max(100,nint(nfa+1.5*baud))
|
||||
fb=min(4800,nint(nfb+1.5*baud))
|
||||
! extend noise fit 100 Hz outside of search window
|
||||
nfa=max(100,nfa-100)
|
||||
nfb=min(4800,nfb+100)
|
||||
endif
|
||||
endif
|
||||
|
||||
ndecodes=0
|
||||
decodes=' '
|
||||
new_callsign=.false.
|
||||
do inb=0,inb1,inb2
|
||||
if(nb.lt.0) npct=inb ! we are looping over blanker settings
|
||||
call blanker(iwave,nfft1,ndropmax,npct,c_bigfft)
|
||||
ndecodes=0
|
||||
decodes=' '
|
||||
new_callsign=.false.
|
||||
do inb=0,inb1,inb2
|
||||
if(nb.lt.0) npct=inb ! we are looping over blanker settings
|
||||
call blanker(iwave,nfft1,ndropmax,npct,c_bigfft)
|
||||
|
||||
! The big fft is done once and is used for calculating the smoothed spectrum
|
||||
! and also for downconverting/downsampling each candidate.
|
||||
call four2a(c_bigfft,nfft1,1,-1,0) !r2c
|
||||
nhicoh=1
|
||||
nsyncoh=8
|
||||
minsync=1.20
|
||||
if(ntrperiod.eq.15) minsync=1.15
|
||||
call four2a(c_bigfft,nfft1,1,-1,0) !r2c
|
||||
nhicoh=1
|
||||
nsyncoh=8
|
||||
minsync=1.20
|
||||
if(ntrperiod.eq.15) minsync=1.15
|
||||
|
||||
! Get first approximation of candidate frequencies
|
||||
call get_candidates_fst4(c_bigfft,nfft1,nsps,hmod,fs,fa,fb,nfa,nfb, &
|
||||
minsync,ncand,candidates0)
|
||||
isbest=0
|
||||
fc2=0.
|
||||
do icand=1,ncand
|
||||
fc0=candidates0(icand,1)
|
||||
if(iwspr.eq.0 .and. nb.lt.0 .and. npct.ne.0 .and. &
|
||||
abs(fc0-(nfqso+1.5*baud)).gt.ntol) cycle ! blanker loop only near nfqso
|
||||
detmet=candidates0(icand,2)
|
||||
call get_candidates_fst4(c_bigfft,nfft1,nsps,hmod,fs,fa,fb,nfa,nfb, &
|
||||
minsync,ncand,candidates0)
|
||||
isbest=0
|
||||
fc2=0.
|
||||
do icand=1,ncand
|
||||
fc0=candidates0(icand,1)
|
||||
if(iwspr.eq.0 .and. nb.lt.0 .and. npct.ne.0 .and. &
|
||||
abs(fc0-(nfqso+1.5*baud)).gt.ntol) cycle ! blanker loop only near nfqso
|
||||
detmet=candidates0(icand,2)
|
||||
|
||||
! Downconvert and downsample a slice of the spectrum centered on the
|
||||
! rough estimate of the candidates frequency.
|
||||
! Output array c2 is complex baseband sampled at 12000/ndown Sa/sec.
|
||||
! The size of the downsampled c2 array is nfft2=nfft1/ndown
|
||||
call timer('dwnsmpl ',0)
|
||||
call fst4_downsample(c_bigfft,nfft1,ndown,fc0,sigbw,c2)
|
||||
call timer('dwnsmpl ',1)
|
||||
call timer('dwnsmpl ',0)
|
||||
call fst4_downsample(c_bigfft,nfft1,ndown,fc0,sigbw,c2)
|
||||
call timer('dwnsmpl ',1)
|
||||
|
||||
call timer('sync240 ',0)
|
||||
call fst4_sync_search(c2,nfft2,hmod,fs2,nss,ntrperiod,nsyncoh,emedelay,sbest,fcbest,isbest)
|
||||
call timer('sync240 ',1)
|
||||
call timer('sync240 ',0)
|
||||
call fst4_sync_search(c2,nfft2,hmod,fs2,nss,ntrperiod,nsyncoh,emedelay,sbest,fcbest,isbest)
|
||||
call timer('sync240 ',1)
|
||||
|
||||
fc_synced = fc0 + fcbest
|
||||
dt_synced = (isbest-fs2)*dt2 !nominal dt is 1 second so frame starts at sample fs2
|
||||
candidates0(icand,3)=fc_synced
|
||||
candidates0(icand,4)=isbest
|
||||
enddo
|
||||
fc_synced = fc0 + fcbest
|
||||
dt_synced = (isbest-fs2)*dt2 !nominal dt is 1 second so frame starts at sample fs2
|
||||
candidates0(icand,3)=fc_synced
|
||||
candidates0(icand,4)=isbest
|
||||
enddo
|
||||
|
||||
! remove duplicate candidates
|
||||
do icand=1,ncand
|
||||
fc=candidates0(icand,3)
|
||||
isbest=nint(candidates0(icand,4))
|
||||
do ic2=icand+1,ncand
|
||||
fc2=candidates0(ic2,3)
|
||||
isbest2=nint(candidates0(ic2,4))
|
||||
if(fc2.gt.0.0) then
|
||||
if(abs(fc2-fc).lt.0.10*baud) then ! same frequency
|
||||
if(abs(isbest2-isbest).le.2) then
|
||||
candidates0(ic2,3)=-1
|
||||
endif
|
||||
do icand=1,ncand
|
||||
fc=candidates0(icand,3)
|
||||
isbest=nint(candidates0(icand,4))
|
||||
do ic2=icand+1,ncand
|
||||
fc2=candidates0(ic2,3)
|
||||
isbest2=nint(candidates0(ic2,4))
|
||||
if(fc2.gt.0.0) then
|
||||
if(abs(fc2-fc).lt.0.10*baud) then ! same frequency
|
||||
if(abs(isbest2-isbest).le.2) then
|
||||
candidates0(ic2,3)=-1
|
||||
endif
|
||||
endif
|
||||
enddo
|
||||
enddo
|
||||
ic=0
|
||||
do icand=1,ncand
|
||||
if(candidates0(icand,3).gt.0) then
|
||||
ic=ic+1
|
||||
candidates0(ic,:)=candidates0(icand,:)
|
||||
endif
|
||||
enddo
|
||||
ncand=ic
|
||||
|
||||
! If FST4 mode and Single Decode is not checked, then find candidates
|
||||
! within 20 Hz of nfqso and put them at the top of the list
|
||||
if(iwspr.eq.0 .and. .not.single_decode) then
|
||||
nclose=count(abs(candidates0(:,3)-(nfqso+1.5*baud)).le.20)
|
||||
k=0
|
||||
do i=1,ncand
|
||||
if(abs(candidates0(i,3)-(nfqso+1.5*baud)).le.20) then
|
||||
k=k+1
|
||||
candidates(k,:)=candidates0(i,:)
|
||||
endif
|
||||
enddo
|
||||
do i=1,ncand
|
||||
if(abs(candidates0(i,3)-(nfqso+1.5*baud)).gt.20) then
|
||||
k=k+1
|
||||
candidates(k,:)=candidates0(i,:)
|
||||
endif
|
||||
enddo
|
||||
else
|
||||
candidates=candidates0
|
||||
enddo
|
||||
ic=0
|
||||
do icand=1,ncand
|
||||
if(candidates0(icand,3).gt.0) then
|
||||
ic=ic+1
|
||||
candidates0(ic,:)=candidates0(icand,:)
|
||||
endif
|
||||
enddo
|
||||
ncand=ic
|
||||
|
||||
xsnr=0.
|
||||
do icand=1,ncand
|
||||
sync=candidates(icand,2)
|
||||
fc_synced=candidates(icand,3)
|
||||
isbest=nint(candidates(icand,4))
|
||||
xdt=(isbest-nspsec)/fs2
|
||||
if(ntrperiod.eq.15) xdt=(isbest-real(nspsec)/2.0)/fs2
|
||||
call timer('dwnsmpl ',0)
|
||||
call fst4_downsample(c_bigfft,nfft1,ndown,fc_synced,sigbw,c2)
|
||||
call timer('dwnsmpl ',1)
|
||||
! If FST4 mode and Single Decode is not checked, then find candidates
|
||||
! within 20 Hz of nfqso and put them at the top of the list
|
||||
if(iwspr.eq.0 .and. .not.single_decode) then
|
||||
nclose=count(abs(candidates0(:,3)-(nfqso+1.5*baud)).le.20)
|
||||
k=0
|
||||
do i=1,ncand
|
||||
if(abs(candidates0(i,3)-(nfqso+1.5*baud)).le.20) then
|
||||
k=k+1
|
||||
candidates(k,:)=candidates0(i,:)
|
||||
endif
|
||||
enddo
|
||||
do i=1,ncand
|
||||
if(abs(candidates0(i,3)-(nfqso+1.5*baud)).gt.20) then
|
||||
k=k+1
|
||||
candidates(k,:)=candidates0(i,:)
|
||||
endif
|
||||
enddo
|
||||
else
|
||||
candidates=candidates0
|
||||
endif
|
||||
|
||||
do ijitter=0,jittermax
|
||||
if(ijitter.eq.0) ioffset=0
|
||||
if(ijitter.eq.1) ioffset=1
|
||||
if(ijitter.eq.2) ioffset=-1
|
||||
is0=isbest+ioffset
|
||||
iend=is0+160*nss-1
|
||||
if( is0.lt.0 .or. iend.gt.(nfft2-1) ) cycle
|
||||
cframe=c2(is0:iend)
|
||||
bitmetrics=0
|
||||
call timer('bitmetrc',0)
|
||||
call get_fst4_bitmetrics(cframe,nss,nblock,nhicoh,bitmetrics, &
|
||||
s4,nsync_qual,badsync)
|
||||
call timer('bitmetrc',1)
|
||||
if(badsync) cycle
|
||||
xsnr=0.
|
||||
do icand=1,ncand
|
||||
sync=candidates(icand,2)
|
||||
fc_synced=candidates(icand,3)
|
||||
isbest=nint(candidates(icand,4))
|
||||
xdt=(isbest-nspsec)/fs2
|
||||
if(ntrperiod.eq.15) xdt=(isbest-real(nspsec)/2.0)/fs2
|
||||
call timer('dwnsmpl ',0)
|
||||
call fst4_downsample(c_bigfft,nfft1,ndown,fc_synced,sigbw,c2)
|
||||
call timer('dwnsmpl ',1)
|
||||
|
||||
do il=1,4
|
||||
llrs( 1: 60,il)=bitmetrics( 17: 76, il)
|
||||
llrs( 61:120,il)=bitmetrics( 93:152, il)
|
||||
llrs(121:180,il)=bitmetrics(169:228, il)
|
||||
llrs(181:240,il)=bitmetrics(245:304, il)
|
||||
enddo
|
||||
do ijitter=0,jittermax
|
||||
if(ijitter.eq.0) ioffset=0
|
||||
if(ijitter.eq.1) ioffset=1
|
||||
if(ijitter.eq.2) ioffset=-1
|
||||
is0=isbest+ioffset
|
||||
iend=is0+160*nss-1
|
||||
if( is0.lt.0 .or. iend.gt.(nfft2-1) ) cycle
|
||||
cframe=c2(is0:iend)
|
||||
bitmetrics=0
|
||||
call timer('bitmetrc',0)
|
||||
call get_fst4_bitmetrics(cframe,nss,nblock,nhicoh,bitmetrics, &
|
||||
s4,nsync_qual,badsync)
|
||||
call timer('bitmetrc',1)
|
||||
if(badsync) cycle
|
||||
|
||||
apmag=maxval(abs(llrs(:,4)))*1.1
|
||||
ntmax=nblock+nappasses(nQSOProgress)
|
||||
if(lapcqonly) ntmax=nblock+1
|
||||
if(ndepth.eq.1) ntmax=nblock ! no ap for ndepth=1
|
||||
apmask=0
|
||||
do il=1,4
|
||||
llrs( 1: 60,il)=bitmetrics( 17: 76, il)
|
||||
llrs( 61:120,il)=bitmetrics( 93:152, il)
|
||||
llrs(121:180,il)=bitmetrics(169:228, il)
|
||||
llrs(181:240,il)=bitmetrics(245:304, il)
|
||||
enddo
|
||||
|
||||
if(iwspr.eq.1) then ! 50-bit msgs, no ap decoding
|
||||
nblock=4
|
||||
ntmax=nblock
|
||||
apmag=maxval(abs(llrs(:,4)))*1.1
|
||||
ntmax=nblock+nappasses(nQSOProgress)
|
||||
if(lapcqonly) ntmax=nblock+1
|
||||
if(ndepth.eq.1) ntmax=nblock ! no ap for ndepth=1
|
||||
apmask=0
|
||||
|
||||
if(iwspr.eq.1) then ! 50-bit msgs, no ap decoding
|
||||
nblock=4
|
||||
ntmax=nblock
|
||||
endif
|
||||
|
||||
do itry=1,ntmax
|
||||
if(itry.eq.1) llr=llrs(:,1)
|
||||
if(itry.eq.2.and.itry.le.nblock) llr=llrs(:,2)
|
||||
if(itry.eq.3.and.itry.le.nblock) llr=llrs(:,3)
|
||||
if(itry.eq.4.and.itry.le.nblock) llr=llrs(:,4)
|
||||
if(itry.le.nblock) then
|
||||
apmask=0
|
||||
iaptype=0
|
||||
endif
|
||||
|
||||
do itry=1,ntmax
|
||||
if(itry.eq.1) llr=llrs(:,1)
|
||||
if(itry.eq.2.and.itry.le.nblock) llr=llrs(:,2)
|
||||
if(itry.eq.3.and.itry.le.nblock) llr=llrs(:,3)
|
||||
if(itry.eq.4.and.itry.le.nblock) llr=llrs(:,4)
|
||||
if(itry.le.nblock) then
|
||||
if(itry.gt.nblock .and. iwspr.eq.0) then ! do ap passes
|
||||
llr=llrs(:,nblock) ! Use largest blocksize as the basis for AP passes
|
||||
iaptype=naptypes(nQSOProgress,itry-nblock)
|
||||
if(lapcqonly) iaptype=1
|
||||
if(iaptype.ge.2 .and. apbits(1).gt.1) cycle ! No, or nonstandard, mycall
|
||||
if(iaptype.ge.3 .and. apbits(30).gt.1) cycle ! No, or nonstandard, dxcall
|
||||
if(iaptype.eq.1) then ! CQ
|
||||
apmask=0
|
||||
iaptype=0
|
||||
apmask(1:29)=1
|
||||
llr(1:29)=apmag*mcq(1:29)
|
||||
endif
|
||||
|
||||
if(itry.gt.nblock .and. iwspr.eq.0) then ! do ap passes
|
||||
llr=llrs(:,nblock) ! Use largest blocksize as the basis for AP passes
|
||||
iaptype=naptypes(nQSOProgress,itry-nblock)
|
||||
if(lapcqonly) iaptype=1
|
||||
if(iaptype.ge.2 .and. apbits(1).gt.1) cycle ! No, or nonstandard, mycall
|
||||
if(iaptype.ge.3 .and. apbits(30).gt.1) cycle ! No, or nonstandard, dxcall
|
||||
if(iaptype.eq.1) then ! CQ
|
||||
apmask=0
|
||||
apmask(1:29)=1
|
||||
llr(1:29)=apmag*mcq(1:29)
|
||||
endif
|
||||
|
||||
if(iaptype.eq.2) then ! MyCall ??? ???
|
||||
apmask=0
|
||||
apmask(1:29)=1
|
||||
llr(1:29)=apmag*apbits(1:29)
|
||||
endif
|
||||
|
||||
if(iaptype.eq.3) then ! MyCall DxCall ???
|
||||
apmask=0
|
||||
apmask(1:58)=1
|
||||
llr(1:58)=apmag*apbits(1:58)
|
||||
endif
|
||||
|
||||
if(iaptype.eq.4 .or. iaptype.eq.5 .or. iaptype .eq.6) then
|
||||
apmask=0
|
||||
apmask(1:77)=1
|
||||
llr(1:58)=apmag*apbits(1:58)
|
||||
if(iaptype.eq.4) llr(59:77)=apmag*mrrr(1:19)
|
||||
if(iaptype.eq.5) llr(59:77)=apmag*m73(1:19)
|
||||
if(iaptype.eq.6) llr(59:77)=apmag*mrr73(1:19)
|
||||
endif
|
||||
if(iaptype.eq.2) then ! MyCall ??? ???
|
||||
apmask=0
|
||||
apmask(1:29)=1
|
||||
llr(1:29)=apmag*apbits(1:29)
|
||||
endif
|
||||
|
||||
dmin=0.0
|
||||
nharderrors=-1
|
||||
unpk77_success=.false.
|
||||
if(iwspr.eq.0) then
|
||||
maxosd=2
|
||||
Keff=91
|
||||
norder=3
|
||||
call timer('d240_101',0)
|
||||
call decode240_101(llr,Keff,maxosd,norder,apmask,message101, &
|
||||
cw,ntype,nharderrors,dmin)
|
||||
call timer('d240_101',1)
|
||||
if(count(cw.eq.1).eq.0) then
|
||||
nharderrors=-nharderrors
|
||||
cycle
|
||||
endif
|
||||
write(c77,'(77i1)') mod(message101(1:77)+rvec,2)
|
||||
call unpack77(c77,1,msg,unpk77_success)
|
||||
elseif(iwspr.eq.1) then
|
||||
if(iaptype.eq.3) then ! MyCall DxCall ???
|
||||
apmask=0
|
||||
apmask(1:58)=1
|
||||
llr(1:58)=apmag*apbits(1:58)
|
||||
endif
|
||||
|
||||
if(iaptype.eq.4 .or. iaptype.eq.5 .or. iaptype .eq.6) then
|
||||
apmask=0
|
||||
apmask(1:77)=1
|
||||
llr(1:58)=apmag*apbits(1:58)
|
||||
if(iaptype.eq.4) llr(59:77)=apmag*mrrr(1:19)
|
||||
if(iaptype.eq.5) llr(59:77)=apmag*m73(1:19)
|
||||
if(iaptype.eq.6) llr(59:77)=apmag*mrr73(1:19)
|
||||
endif
|
||||
endif
|
||||
|
||||
dmin=0.0
|
||||
nharderrors=-1
|
||||
unpk77_success=.false.
|
||||
if(iwspr.eq.0) then
|
||||
maxosd=2
|
||||
Keff=91
|
||||
norder=3
|
||||
call timer('d240_101',0)
|
||||
call decode240_101(llr,Keff,maxosd,norder,apmask,message101, &
|
||||
cw,ntype,nharderrors,dmin)
|
||||
call timer('d240_101',1)
|
||||
if(count(cw.eq.1).eq.0) then
|
||||
nharderrors=-nharderrors
|
||||
cycle
|
||||
endif
|
||||
write(c77,'(77i1)') mod(message101(1:77)+rvec,2)
|
||||
call unpack77(c77,1,msg,unpk77_success)
|
||||
elseif(iwspr.eq.1) then
|
||||
! Try decoding with Keff=66
|
||||
maxosd=2
|
||||
maxosd=2
|
||||
call timer('d240_74 ',0)
|
||||
Keff=66
|
||||
norder=3
|
||||
call decode240_74(llr,Keff,maxosd,norder,apmask,message74,cw, &
|
||||
ntype,nharderrors,dmin)
|
||||
call timer('d240_74 ',1)
|
||||
if(nharderrors.lt.0) goto 3465
|
||||
if(count(cw.eq.1).eq.0) then
|
||||
nharderrors=-nharderrors
|
||||
cycle
|
||||
endif
|
||||
write(c77,'(50i1)') message74(1:50)
|
||||
c77(51:77)='000000000000000000000110000'
|
||||
call unpack77(c77,1,msg,unpk77_success)
|
||||
if(unpk77_success .and. do_k50_decode) then
|
||||
! If decode was obtained with Keff=66, save call/grid in fst4w_calls.txt if not there already.
|
||||
i1=index(msg,' ')
|
||||
i2=i1+index(msg(i1+1:),' ')
|
||||
wpart=trim(msg(1:i2))
|
||||
! Only save callsigns/grids from type 1 messages
|
||||
if(index(wpart,'/').eq.0 .and. index(wpart,'<').eq.0) then
|
||||
ifound=0
|
||||
do i=1,nwcalls
|
||||
if(index(wcalls(i),wpart).ne.0) ifound=1
|
||||
enddo
|
||||
|
||||
if(ifound.eq.0) then ! This is a new callsign
|
||||
new_callsign=.true.
|
||||
if(nwcalls.lt.MAXWCALLS) then
|
||||
nwcalls=nwcalls+1
|
||||
wcalls(nwcalls)=wpart
|
||||
else
|
||||
wcalls(1:nwcalls-1)=wcalls(2:nwcalls)
|
||||
wcalls(nwcalls)=wpart
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
3465 continue
|
||||
|
||||
! If no decode then try Keff=50
|
||||
iaptype=0
|
||||
if( .not. unpk77_success .and. do_k50_decode ) then
|
||||
maxosd=1
|
||||
call timer('d240_74 ',0)
|
||||
Keff=66
|
||||
norder=3
|
||||
Keff=50
|
||||
norder=4
|
||||
call decode240_74(llr,Keff,maxosd,norder,apmask,message74,cw, &
|
||||
ntype,nharderrors,dmin)
|
||||
call timer('d240_74 ',1)
|
||||
if(nharderrors.lt.0) goto 3465
|
||||
if(count(cw.eq.1).eq.0) then
|
||||
nharderrors=-nharderrors
|
||||
cycle
|
||||
@ -524,134 +545,89 @@ contains
|
||||
write(c77,'(50i1)') message74(1:50)
|
||||
c77(51:77)='000000000000000000000110000'
|
||||
call unpack77(c77,1,msg,unpk77_success)
|
||||
if(unpk77_success .and. do_k50_decode) then
|
||||
! If decode was obtained with Keff=66, save call/grid in fst4w_calls.txt if not there already.
|
||||
i1=index(msg,' ')
|
||||
i2=i1+index(msg(i1+1:),' ')
|
||||
wpart=trim(msg(1:i2))
|
||||
! Only save callsigns/grids from type 1 messages
|
||||
if(index(wpart,'/').eq.0 .and. index(wpart,'<').eq.0) then
|
||||
ifound=0
|
||||
do i=1,nwcalls
|
||||
if(index(wcalls(i),wpart).ne.0) ifound=1
|
||||
enddo
|
||||
|
||||
if(ifound.eq.0) then ! This is a new callsign
|
||||
new_callsign=.true.
|
||||
if(nwcalls.lt.MAXWCALLS) then
|
||||
nwcalls=nwcalls+1
|
||||
wcalls(nwcalls)=wpart
|
||||
else
|
||||
wcalls(1:nwcalls-1)=wcalls(2:nwcalls)
|
||||
wcalls(nwcalls)=wpart
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
endif
|
||||
3465 continue
|
||||
|
||||
! If no decode then try Keff=50
|
||||
iaptype=0
|
||||
if( .not. unpk77_success .and. do_k50_decode ) then
|
||||
maxosd=1
|
||||
call timer('d240_74 ',0)
|
||||
Keff=50
|
||||
norder=4
|
||||
call decode240_74(llr,Keff,maxosd,norder,apmask,message74,cw, &
|
||||
ntype,nharderrors,dmin)
|
||||
call timer('d240_74 ',1)
|
||||
if(count(cw.eq.1).eq.0) then
|
||||
nharderrors=-nharderrors
|
||||
cycle
|
||||
endif
|
||||
write(c77,'(50i1)') message74(1:50)
|
||||
c77(51:77)='000000000000000000000110000'
|
||||
call unpack77(c77,1,msg,unpk77_success)
|
||||
! No CRC in this mode, so only accept the decode if call/grid have been seen before
|
||||
if(unpk77_success) then
|
||||
unpk77_success=.false.
|
||||
do i=1,nwcalls
|
||||
if(index(msg,trim(wcalls(i))).gt.0) then
|
||||
unpk77_success=.true.
|
||||
endif
|
||||
enddo
|
||||
endif
|
||||
if(unpk77_success) then
|
||||
unpk77_success=.false.
|
||||
do i=1,nwcalls
|
||||
if(index(msg,trim(wcalls(i))).gt.0) then
|
||||
unpk77_success=.true.
|
||||
endif
|
||||
enddo
|
||||
endif
|
||||
|
||||
endif
|
||||
|
||||
if(nharderrors .ge.0 .and. unpk77_success) then
|
||||
idupe=0
|
||||
do i=1,ndecodes
|
||||
if(decodes(i).eq.msg) idupe=1
|
||||
enddo
|
||||
if(idupe.eq.1) goto 800
|
||||
ndecodes=ndecodes+1
|
||||
decodes(ndecodes)=msg
|
||||
endif
|
||||
|
||||
if(iwspr.eq.0) then
|
||||
call get_fst4_tones_from_bits(message101,itone,0)
|
||||
else
|
||||
call get_fst4_tones_from_bits(message74,itone,1)
|
||||
endif
|
||||
inquire(file='plotspec',exist=plotspec_exists)
|
||||
fmid=-999.0
|
||||
call timer('dopsprd ',0)
|
||||
if(plotspec_exists) then
|
||||
call dopspread(itone,iwave,nsps,nmax,ndown,hmod, &
|
||||
isbest,fc_synced,fmid,w50)
|
||||
endif
|
||||
call timer('dopsprd ',1)
|
||||
xsig=0
|
||||
do i=1,NN
|
||||
xsig=xsig+s4(itone(i),i)
|
||||
enddo
|
||||
base=candidates(icand,5)
|
||||
arg=600.0*(xsig/base)-1.0
|
||||
if(arg.gt.0.0) then
|
||||
xsnr=10*log10(arg)-35.5-12.5*log10(nsps/8200.0)
|
||||
if(ntrperiod.eq. 15) xsnr=xsnr+2
|
||||
if(ntrperiod.eq. 30) xsnr=xsnr+1
|
||||
if(ntrperiod.eq. 900) xsnr=xsnr+1
|
||||
if(ntrperiod.eq.1800) xsnr=xsnr+2
|
||||
else
|
||||
xsnr=-99.9
|
||||
endif
|
||||
nsnr=nint(xsnr)
|
||||
qual=0.0
|
||||
fsig=fc_synced - 1.5*baud
|
||||
inquire(file=trim(data_dir)//'/decdata',exist=decdata_exists)
|
||||
if(decdata_exists) then
|
||||
hdec=0
|
||||
where(llrs(:,1).ge.0.0) hdec=1
|
||||
nhp=count(hdec.ne.cw) ! # hard errors wrt N=1 soft symbols
|
||||
hd=sum(ieor(hdec,cw)*abs(llrs(:,1))) ! weighted distance wrt N=1 symbols
|
||||
open(21,file=trim(data_dir)//'/fst4_decodes.dat',status='unknown',position='append')
|
||||
write(21,3021) nutc,icand,itry,nsyncoh,iaptype, &
|
||||
ijitter,npct,ntype,Keff,nsync_qual,nharderrors,dmin,nhp,hd, &
|
||||
sync,xsnr,xdt,fsig,w50,trim(msg)
|
||||
3021 format(i6.6,i4,6i3,3i4,f6.1,i4,f6.1,f9.2,f6.1,f6.2,f7.1,f7.3,1x,a)
|
||||
close(21)
|
||||
endif
|
||||
call this%callback(nutc,smax1,nsnr,xdt,fsig,msg, &
|
||||
iaptype,qual,ntrperiod,lwspr,fmid,w50)
|
||||
if(iwspr.eq.0 .and. nb.lt.0 .and. imode.eq.1) go to 900
|
||||
goto 800
|
||||
if(nharderrors .ge.0 .and. unpk77_success) then
|
||||
idupe=0
|
||||
do i=1,ndecodes
|
||||
if(decodes(i).eq.msg) idupe=1
|
||||
enddo
|
||||
if(idupe.eq.1) goto 800
|
||||
ndecodes=ndecodes+1
|
||||
decodes(ndecodes)=msg
|
||||
|
||||
if(iwspr.eq.0) then
|
||||
call get_fst4_tones_from_bits(message101,itone,0)
|
||||
else
|
||||
call get_fst4_tones_from_bits(message74,itone,1)
|
||||
endif
|
||||
enddo ! metrics
|
||||
enddo ! istart jitter
|
||||
800 enddo !candidate list
|
||||
enddo ! noise blanker loop
|
||||
inquire(file='plotspec',exist=plotspec_exists)
|
||||
fmid=-999.0
|
||||
call timer('dopsprd ',0)
|
||||
if(plotspec_exists) then
|
||||
call dopspread(itone,iwave,nsps,nmax,ndown,hmod, &
|
||||
isbest,fc_synced,fmid,w50)
|
||||
endif
|
||||
call timer('dopsprd ',1)
|
||||
xsig=0
|
||||
do i=1,NN
|
||||
xsig=xsig+s4(itone(i),i)
|
||||
enddo
|
||||
base=candidates(icand,5)
|
||||
arg=600.0*(xsig/base)-1.0
|
||||
if(arg.gt.0.0) then
|
||||
xsnr=10*log10(arg)-35.5-12.5*log10(nsps/8200.0)
|
||||
if(ntrperiod.eq. 15) xsnr=xsnr+2
|
||||
if(ntrperiod.eq. 30) xsnr=xsnr+1
|
||||
if(ntrperiod.eq. 900) xsnr=xsnr+1
|
||||
if(ntrperiod.eq.1800) xsnr=xsnr+2
|
||||
else
|
||||
xsnr=-99.9
|
||||
endif
|
||||
nsnr=nint(xsnr)
|
||||
qual=0.0
|
||||
fsig=fc_synced - 1.5*baud
|
||||
inquire(file=trim(data_dir)//'/decdata',exist=decdata_exists)
|
||||
if(decdata_exists) then
|
||||
hdec=0
|
||||
where(llrs(:,1).ge.0.0) hdec=1
|
||||
nhp=count(hdec.ne.cw) ! # hard errors wrt N=1 soft symbols
|
||||
hd=sum(ieor(hdec,cw)*abs(llrs(:,1))) ! weighted distance wrt N=1 symbols
|
||||
open(21,file=trim(data_dir)//'/fst4_decodes.dat',status='unknown',position='append')
|
||||
write(21,3021) nutc,icand,itry,nsyncoh,iaptype, &
|
||||
ijitter,npct,ntype,Keff,nsync_qual,nharderrors,dmin,nhp,hd, &
|
||||
sync,xsnr,xdt,fsig,w50,trim(msg)
|
||||
3021 format(i6.6,i4,6i3,3i4,f6.1,i4,f6.1,f9.2,f6.1,f6.2,f7.1,f7.3,1x,a)
|
||||
close(21)
|
||||
endif
|
||||
call this%callback(nutc,smax1,nsnr,xdt,fsig,msg, &
|
||||
iaptype,qual,ntrperiod,lwspr,fmid,w50)
|
||||
if(iwspr.eq.0 .and. nb.lt.0) go to 900
|
||||
goto 800
|
||||
endif
|
||||
enddo ! metrics
|
||||
enddo ! istart jitter
|
||||
800 enddo !candidate list
|
||||
enddo ! noise blanker loop
|
||||
|
||||
if(new_callsign .and. do_k50_decode) then ! re-write the fst4w_calls.txt file
|
||||
open(42,file=trim(data_dir)//'/fst4w_calls.txt',status='unknown')
|
||||
do i=1,nwcalls
|
||||
write(42,'(a20)') trim(wcalls(i))
|
||||
enddo
|
||||
close(42)
|
||||
endif
|
||||
|
||||
enddo ! mode loop
|
||||
if(new_callsign .and. do_k50_decode) then ! re-write the fst4w_calls.txt file
|
||||
open(42,file=trim(data_dir)//'/fst4w_calls.txt',status='unknown')
|
||||
do i=1,nwcalls
|
||||
write(42,'(a20)') trim(wcalls(i))
|
||||
enddo
|
||||
close(42)
|
||||
endif
|
||||
|
||||
900 return
|
||||
end subroutine decode
|
||||
|
||||
Loading…
Reference in New Issue
Block a user