mirror of
https://github.com/saitohirga/WSJT-X.git
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Save a working temporary state for QRA64/QRA65 decoders.
This commit is contained in:
Joe Taylor
parent
bb8e6ea64a
commit
5e23f88f7e
@ -552,6 +552,7 @@ set (wsjt_FSRCS
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lib/prog_args.f90
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lib/prog_args.f90
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lib/ps4.f90
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lib/ps4.f90
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lib/qra64a.f90
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lib/qra64a.f90
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lib/qra_loops.f90
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lib/refspectrum.f90
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lib/refspectrum.f90
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lib/savec2.f90
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lib/savec2.f90
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lib/sec0.f90
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lib/sec0.f90
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@ -10,16 +10,10 @@ subroutine qra64a(dd,npts,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth, &
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character*6 mycall,hiscall,hisgrid_6
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character*6 mycall,hiscall,hisgrid_6
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character*4 hisgrid
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character*4 hisgrid
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logical ltext
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logical ltext
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complex c00(0:720000) !Complex spectrum of dd()
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complex c00(0:720000) !Analytic signal for dd()
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complex c0(0:720000) !Complex data for dd()
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real a(3) !twkfreq params f,f1,f2
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real dd(NMAX) !Raw data sampled at 12000 Hz
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real dd(NMAX) !Raw data sampled at 12000 Hz
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real s3(LN) !Symbol spectra
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real s3(LN) !Symbol spectra
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real s3a(LN) !Symbol spectra
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integer dat4(12) !Decoded message (as 12 integers)
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integer dat4(12) !Decoded message (as 12 integers)
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integer dat4x(12)
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integer nap(0:11)
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data nap/0,2,3,2,3,4,2,3,6,4,6,6/
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data nc1z/-1/,nc2z/-1/,ng2z/-1/,maxaptypez/-1/
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data nc1z/-1/,nc2z/-1/,ng2z/-1/,maxaptypez/-1/
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save
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save
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@ -59,7 +53,6 @@ subroutine qra64a(dd,npts,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth, &
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naptype=maxaptype
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naptype=maxaptype
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call ana64(dd,npts,c00)
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call ana64(dd,npts,c00)
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npts2=npts/2
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call timer('sync64 ',0)
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call timer('sync64 ',0)
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call sync64(c00,nf1,nf2,nfqso,ntol,minsync,mode64,emedelay,dtx,f0, &
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call sync64(c00,nf1,nf2,nfqso,ntol,minsync,mode64,emedelay,dtx,f0, &
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@ -68,81 +61,12 @@ subroutine qra64a(dd,npts,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth, &
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nfreq=nint(f0)
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nfreq=nint(f0)
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if(mode64.eq.1 .and. minsync.ne.-1 .and. (sync-7.0).lt.minsync) go to 900
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if(mode64.eq.1 .and. minsync.ne.-1 .and. (sync-7.0).lt.minsync) go to 900
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irc=-99
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call timer('qraloops',0)
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s3lim=20.
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call qra_loops(c00,npts/2,64,mode64,nsubmode,nFadingModel,minsync, &
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ibwmax=11
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ndepth,nc1,nc2,ng2,naptype,jpk0,dtx,f0,width,snr2,s3,irc,dat4)
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if(mode64.le.4) ibwmax=9
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call timer('qraloops',1)
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ibwmin=0
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idtmax=5
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if(minsync.eq.-2) then
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ibwmin=ibwmax
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idtmax=3
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endif
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LL=64*(mode64+2)
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NN=63
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napmin=99
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ncall=0
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do idf0=1,11
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idf=idf0/2
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if(mod(idf0,2).eq.0) idf=-idf
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a=0.
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decoded=' '
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a(1)=-(f0+0.868*idf)
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call twkfreq(c00,c0,npts2,6000.0,a)
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do idt0=1,idtmax
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idt=idt0/2
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if(mod(idt0,2).eq.0) idt=-idt
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jpk=jpk0 + 750*idt
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call spec64(c0,jpk,s3a,LL,NN)
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call pctile(s3a,LL*NN,40,base)
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s3a=s3a/base
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where(s3a(1:LL*NN)>s3lim) s3a(1:LL*NN)=s3lim
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do ibw=ibwmax,ibwmin,-2
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b90=1.728**ibw
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if(b90.gt.230.0) cycle
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if(b90.lt.0.15*width) exit
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s3(1:LL*NN)=s3a(1:LL*NN)
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ncall=ncall+1
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call timer('qra64_de',0)
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call qra64_dec(s3,nc1,nc2,ng2,naptype,0,nSubmode,b90, &
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nFadingModel,dat4,snr2,irc)
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call timer('qra64_de',1)
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if(irc.eq.0) go to 10
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if(irc.gt.0) call badmsg(irc,dat4,nc1,nc2,ng2)
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iirc=max(0,min(irc,11))
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if(irc.gt.0 .and. nap(iirc).lt.napmin) then
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dat4x=dat4
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b90x=b90
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snr2x=snr2
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napmin=nap(iirc)
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irckeep=irc
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dtxkeep=jpk/6000.0 - 1.0
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f0keep=-a(1)
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idfkeep=idf
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idtkeep=idt
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ibwkeep=ibw
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endif
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enddo ! ibw (b90 loop)
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if(iand(ndepth,3).lt.3 .and. irc.ge.0) go to 100
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if(irc.eq.0) go to 100
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enddo ! idt (DT loop)
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enddo ! idf (f0 loop)
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100 if(napmin.ne.99) then
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dat4=dat4x
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b90=b90x
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snr2=snr2x
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irc=irckeep
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dtx=dtxkeep
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f0=f0keep
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idt=idtkeep
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idf=idfkeep
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ibw=ibwkeep
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endif
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10 decoded=' '
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if(irc.ge.0) then
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if(irc.ge.0) then
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call unpackmsg(dat4,decoded) !Unpack the user message
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call unpackmsg(dat4,decoded) !Unpack the user message
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call fmtmsg(decoded,iz)
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call fmtmsg(decoded,iz)
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105
lib/qra_loops.f90
Normal file
105
lib/qra_loops.f90
Normal file
@ -0,0 +1,105 @@
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subroutine qra_loops(c00,npts2,mode,mode64,nsubmode,nFadingModel,minsync, &
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ndepth,nc1,nc2,ng2,naptype,jpk0,dtx,f0,width,snr2,s3,irc,dat4)
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use timer_module, only: timer
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parameter (LN=1152*63)
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complex c00(0:720000) !Analytic representation of dd(), 6000 Hz
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complex c0(0:720000) !Ditto, with freq shift
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real a(3) !twkfreq params f,f1,f2
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real s3(LN),s3a(LN) !Symbol spectra
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integer dat4(12),dat4x(12) !Decoded message (as 12 integers)
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integer nap(0:11) !AP return codes
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data nap/0,2,3,2,3,4,2,3,6,4,6,6/
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! save
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irc=-99
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s3lim=20.
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ibwmax=11
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if(mode64.le.4) ibwmax=9
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ibwmin=0
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idtmax=5
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if(minsync.eq.-2) then
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ibwmin=ibwmax
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idtmax=3
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endif
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LL=64*(mode64+2)
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NN=63
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napmin=99
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ncall=0
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do idf0=1,11
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idf=idf0/2
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if(mod(idf0,2).eq.0) idf=-idf
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a=0.
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a(1)=-(f0+0.868*idf)
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call twkfreq(c00,c0,npts2,6000.0,a)
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do idt0=1,idtmax
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idt=idt0/2
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if(mod(idt0,2).eq.0) idt=-idt
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jpk=jpk0 + 750*idt
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if(mode.eq.64) then
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call spec64(c0,jpk,s3a,LL,NN)
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else
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if(jpk.lt.0) jpk=0
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call timer('spec_q65',0)
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call spec_qra65(c0(jpk:),nsps2,s3,LL,NN) !Get synced symbol spectra
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call timer('spec_q65',1)
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! do j=1,63 !Normalize to symbol baseline
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! call pctile(s3(:,j),LL,40,base)
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! s3(:,j)=s3(:,j)/base
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! enddo
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! LL2=64*(mode65+1)-1
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! s3max=20.0
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! do j=1,63 !Apply AGC to suppress pings
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! xx=maxval(s3(-64:LL2,j))
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! if(xx.gt.s3max) s3(-64:LL2,j)=s3(-64:LL2,j)*s3max/xx
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! enddo
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endif
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call pctile(s3a,LL*NN,40,base)
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s3a=s3a/base
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where(s3a(1:LL*NN)>s3lim) s3a(1:LL*NN)=s3lim
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do ibw=ibwmax,ibwmin,-2
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b90=1.728**ibw
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if(b90.gt.230.0) cycle
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if(b90.lt.0.15*width) exit
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s3(1:LL*NN)=s3a(1:LL*NN)
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ncall=ncall+1
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call timer('qra64_de',0)
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call qra64_dec(s3,nc1,nc2,ng2,naptype,0,nSubmode,b90, &
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nFadingModel,dat4,snr2,irc)
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call timer('qra64_de',1)
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if(irc.eq.0) go to 200
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if(irc.gt.0) call badmsg(irc,dat4,nc1,nc2,ng2)
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iirc=max(0,min(irc,11))
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if(irc.gt.0 .and. nap(iirc).lt.napmin) then
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dat4x=dat4
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b90x=b90
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snr2x=snr2
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napmin=nap(iirc)
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irckeep=irc
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dtxkeep=jpk/6000.0 - 1.0
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f0keep=-a(1)
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idfkeep=idf
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idtkeep=idt
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ibwkeep=ibw
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endif
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enddo ! ibw (b90 loop)
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if(iand(ndepth,3).lt.3 .and. irc.ge.0) go to 100
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if(irc.eq.0) go to 100
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enddo ! idt (DT loop)
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enddo ! idf (f0 loop)
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100 if(napmin.ne.99) then
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dat4=dat4x
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b90=b90x
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snr2=snr2x
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irc=irckeep
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dtx=dtxkeep
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f0=f0keep
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idt=idtkeep
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idf=idfkeep
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ibw=ibwkeep
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endif
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200 return
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end subroutine qra_loops
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