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Suppress false decodes seen with new JT65 decoder running in crowded HF band.

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Note to testers: see lines 100-105 in jt65a.f90.  If you want to experiment
with some of these parameters, one way is to uncomment lines 148-151
and look at output in "fort.79" after a decoding run.



git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6282 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2015-12-16 17:53:19 +00:00
parent 2aea76777a
commit c0c7e5d563
2 changed files with 13 additions and 6 deletions
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2
lib/fillcom.f90
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@ -23,7 +23,7 @@ subroutine fillcom(nutc0,ndepth0,nrxfreq,mode,tx9,flow,fsplit,fhigh)
nzhsym=181
ndepth=ndepth0
dttol=3.0
minsync=-1 !### TEST ONLY
! minsync=-1 !### TEST ONLY
n2pass=1
nranera=8 !ntrials=10000

17
lib/jt65a.f90
View File

@ -24,7 +24,7 @@ subroutine jt65a(dd0,npts,newdat,nutc,nf1,nf2,nfqso,ntol,nsubmode, &
real sync
character*22 decoded
end type decode
type(decode) dec(30)
type(decode) dec(50)
common/decstats/ntry65a,ntry65b,n65a,n65b,num9,numfano
common/steve/thresh0
common/test000/ncandidates,nhard_min,nsoft_min,nera_best,nsofter_min, &
@ -96,8 +96,16 @@ subroutine jt65a(dd0,npts,newdat,nutc,nf1,nf2,nfqso,ntol,nsubmode, &
call decode65a(dd,npts,newdat,nqd,freq,nflip,mode65,nvec, &
naggressive,ndepth,nexp_decode,sync2,a,dtx,nft,qual,nhist,decoded)
call timer('decod65a',1)
!### Suppress false decodes in crowded HF bands ###
if(naggressive.eq.0 .and. ntrials.le.10000) then
if(ntry.eq.ntrials .or. ncandidates.eq.100) then
if(nhard_min.ge.42 .or. ntotal_min.ge.71) cycle
endif
endif
if(decoded.eq.decoded0 .and. abs(freq-freq0).lt. 3.0 .and. &
minsync.ge.0) cycle !Don't display dupes
minsync.ge.0) cycle !Don't display dupes
if(decoded.ne.' ' .or. minsync.lt.0) then
if( nsubtract .eq. 1 ) then
call timer('subtr65 ',0)
@ -138,9 +146,8 @@ subroutine jt65a(dd0,npts,newdat,nutc,nf1,nf2,nfqso,ntol,nsubmode, &
call flush(6)
call flush(13)
! write(79,3001) nutc,nint(sync1),nsnr,dtx-1.0,nfreq,ncandidates, &
! nhard_min,ntotal_min,ntry,naggressive,nft,nqual,ntry0, &
! ntot,decoded(1:16)
!3001 format(i4.4,i3,i4,f6.2,i5,i7,i3,i4,i8,i3,i2,i5,i5,i4,1x,a16)
! nhard_min,ntotal_min,ntry,naggressive,nft,nqual,decoded
!3001 format(i4.4,i3,i4,f6.2,i5,i7,i3,i4,i8,i3,i2,i5,1x,a22)
! flush(79)
endif
decoded0=decoded