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Correct some logic so that AP is only on when selected and so that AP decodes of type 4 or greater are limited to the vicinity of nfqso or nftx.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7961 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Steven Franke 2017-07-27 18:07:54 +00:00
parent f6d0bd7787
commit 1110902285
1 changed files with 10 additions and 7 deletions
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17
lib/fsk4hf/ft8b.f90
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@ -36,6 +36,7 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,napwid, &
if(first) then
mcq=2*mcq-1
mde=2*mde-1
mrrr=2*mrrr-1
m73=2*m73-1
mrr73=2*mrr73-1
@ -78,9 +79,9 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,napwid, &
call ft8_downsample(dd0,newdat,f1,cd0) !Mix f1 to baseband and downsample
call timer('ft8_down',1)
i0=nint((xdt+0.5)*fs2) !Initial guess for start of signal
i0=nint((xdt+0.5)*fs2) !Initial guess for start of signal
smax=0.0
do idt=i0-8,i0+8 !Search over +/- one quarter symbol
do idt=i0-8,i0+8 !Search over +/- one quarter symbol
call sync8d(cd0,idt,ctwk,0,sync)
if(sync.gt.smax) then
smax=sync
@ -222,10 +223,6 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,napwid, &
llr0=2.0*rxdata/(ss*ss)
llra=2.0*rxdatap/(ss*ss) ! llr's for use with ap
apmag=4.0
! If DxCall exists, only do "MyCall DxCall ???" for candidates within nfqso +/- napwid
nap=0
if(lapon.and.(iaptype.eq.1 .or. (iaptype.eq.2.and.abs(nfqso-f1).le.napwid))) nap=2
if(lapon.and.iaptype.eq.2.and.abs(nfqso-f1).gt.napwid) nap=1
! pass #
!------------------------------
@ -237,7 +234,12 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,napwid, &
! 6 ap pass 3
! 7 ap pass 4, etc.
npasses=1+2+nappasses(nQSOProgress)
if(lapon) then
npasses=3+nappasses(nQSOProgress)
else
npasses=3
endif
do ipass=1,npasses
llr=llr0
@ -254,6 +256,7 @@ subroutine ft8b(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,napwid, &
if(ipass .gt. 3) then
iaptype=naptypes(nQSOProgress,ipass-3)
if(iaptype.ge.4 .and. (abs(f1-nfqso).gt.napwid .and. abs(f1-nftx).gt.napwid) ) cycle
if(iaptype.eq.1 .or. iaptype.eq.2 .or. iaptype.eq.3) then ! AP,???,???
apmask=0
apmask(88:115)=1 ! first 28 bits are AP