mirror of https://github.com/saitohirga/WSJT-X.git
Merge branch 'feat-Q65-aircraft-scatter-AFC' into release-2.5.1
This commit is contained in:
Bill Somerville
commit
b9836fce9c
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@ -76,6 +76,10 @@ contains
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complex, allocatable :: c00(:) !Analytic signal, 6000 Sa/s
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complex, allocatable :: c0(:) !Analytic signal, 6000 Sa/s
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!w3sz added
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integer stageno
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stageno=0
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! Start by setting some parameters and allocating storage for large arrays
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call sec0(0,tdecode)
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nfa=nfa0
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@ -155,7 +159,7 @@ contains
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! Call top-level routine in q65 module: establish sync and try for a
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! q3 or q0 decode.
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call q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec)
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec,stageno)
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call timer('q65_dec0',1)
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! write(*,3001) '=a',sum(abs(float(iwave))),nfqso,ntol,ndepth,xdt,f0,idec
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!3001 format(a2,f15.0,3i5,f7.2,f7.1,i5)
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@ -212,7 +216,7 @@ contains
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! decode, this time using the cumulative 's1a' symbol spectra.
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iavg=1
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call q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec)
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec,stageno)
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call timer('list_avg',1)
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if(idec.ge.0) then
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@ -229,7 +233,7 @@ contains
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call timer('q65_avg ',0)
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iavg=2
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call q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec)
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec,stageno)
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call timer('q65_avg ',1)
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if(idec.ge.0) then
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dtdec=xdt !We have a q[012]n result
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@ -237,7 +241,22 @@ contains
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nused=navg(iseq)
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endif
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100 decoded=' '
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100 stageno = 5
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if(idec.lt.0) then
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call timer('q65_dec0',0)
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! Call top-level routine in q65 module: establish sync and try for a
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! q3 or q0 decode.
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call q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec,stageno)
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call timer('q65_dec0',1)
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if(idec.ge.0) then
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dtdec=xdt !We have a q[012]n result
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f0dec=f0
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endif
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endif ! if(idec.lt.0)
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decoded=' '
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if(idec.ge.0) then
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! idec Meaning
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! ------------------------------------------------------
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@ -19,6 +19,7 @@ module q65
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real candidates(20,3) !snr, xdt, and f0 of top candidates
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real, allocatable :: s1raw(:,:) !Symbol spectra, 1/8-symbol steps
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real, allocatable :: s1(:,:) !Symbol spectra w/suppressed peaks
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real, allocatable :: s1w(:,:) !Symbol spectra w/suppressed peaks !w3sz added
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real, allocatable,save :: s1a(:,:,:) !Cumulative symbol spectra
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real, allocatable,save :: ccf2(:) !Max CCF(freq) at any lag, single seq
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real, allocatable,save :: ccf2_avg(:) !Like ccf2, but for accumulated average
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@ -28,7 +29,7 @@ module q65
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contains
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subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec)
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emedelay,xdt,f0,snr1,width,dat4,snr2,idec,stageno)
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! Top-level routine in q65 module
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! - Compute symbol spectra
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@ -69,6 +70,11 @@ subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
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data first/.true./
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save first
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integer w3t
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integer w3f
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integer mm
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integer stageno
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NN=63
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if(nutc+ndepth.eq.-999) stop !Silence compiler warnings
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@ -222,7 +228,49 @@ subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
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call q65_dec_q012(s3,LL,snr2,dat4,idec,decoded)
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endif
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900 return
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if(idec.lt.0 .and. max_drift.eq.50 .and. stageno.eq.5) then
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if(allocated(s1w)) deallocate(s1w) ! w3sz
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allocate(s1w(iz,jz)) ! w3sz
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s1w=s1
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do w3t=1,jz
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do w3f=1,iz
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mm=w3f + nint(drift*w3t/(jz*df))
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if(mm.ge.1 .and. mm.le.iz) then
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s1w(w3f,w3t)=s1(mm,w3t)
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endif
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end do
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end do
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if(ncw.gt.0 .and. iavg.le.1) then
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! Try list decoding via "Deep Likelihood".
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call timer('ccf_85 ',0)
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! Try to synchronize using all 85 symbols
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call q65_ccf_85(s1w,iz,jz,nfqso,ia,ia2,ipk,jpk,f0,xdt,imsg_best, &
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better,ccf1)
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call timer('ccf_85 ',1)
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! nsubmode is Tone-spacing indicator, 0-4 for A-E: a 0; b 1; c 2; d 3; e 4.
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! and mode_q65=2**nsubmode
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if(better.ge.1.10) then
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! if(better.ge.1.04 .or. mode_q65.ge.8) then
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! if(better.ge.1.10 .or. mode_q65.ge.8) then ORIGINAL
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call timer('list_dec',0)
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call q65_dec_q3(s1w,iz,jz,s3,LL,ipk,jpk,snr2,dat4,idec,decoded)
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call timer('list_dec',1)
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! if(idec.ge.0) write(70,3070) idec,mode_q65,better,trim(decoded)
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!3070 format(i3,i5,f8.2,2x,a)
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endif ! if(better.ge.1.10)
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endif ! if(ncw.gt.0 .and. iavg.le.1)
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! If idec=3 we have a q3 decode. Continue to compute sync curve for plotting.
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if(idec.eq.3) then
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idec=5
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endif
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endif ! if(idec.lt.0 .and. maxdrift.eq.50 .and. stageno.eq.5)
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return
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end subroutine q65_dec0
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subroutine q65_clravg
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