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https://github.com/saitohirga/WSJT-X.git
synced 2025-11-03 21:40:52 -05:00
Temporary mode QRA02 is now basically functional (though buggy).
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6833 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
c864766332
commit
0384d312a6
@ -411,6 +411,7 @@ set (wsjt_FSRCS
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lib/polyfit.f90
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lib/prog_args.f90
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lib/ps4.f90
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lib/qra02.f90
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lib/readwav.f90
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lib/rectify_msk.f90
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lib/refspectrum.f90
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@ -233,7 +233,7 @@ contains
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integer, intent(in) :: nsum
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integer, intent(in) :: minsync
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integer i
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integer i,nft
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logical is_deep,is_average
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character decoded*22,csync*2,cflags*3
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@ -242,6 +242,18 @@ contains
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decoded=decoded0
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cflags=' '
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is_deep=ft.eq.2
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if(ft.ge.80) then
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nft=ft-100
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csync=':'
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write(*,1009) params%nutc,snr,dt,freq,csync,decoded,nft
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1009 format(i4.4,i4,f5.1,i5,1x,a2,1x,a22,i2)
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write(13,1011) params%nutc,nint(sync),snr,dt,float(freq),drift, &
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decoded,nft
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1011 format(i4.4,i4,i5,f6.2,f8.0,i4,3x,a22,' QRA65',i3)
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go to 100
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endif
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if(ft.eq.0 .and. minsync.ge.0 .and. int(sync).lt.minsync) then
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write(*,1010) params%nutc,snr,dt,freq
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else
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@ -275,19 +287,14 @@ contains
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endif
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endif
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endif
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if(ft.ge.100) then
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write(*,1009) params%nutc,snr,dt,freq,csync,decoded,ft-100
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1009 format(i4.4,i4,f5.1,i5,1x,a2,1x,a22,i2)
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else
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write(*,1010) params%nutc,snr,dt,freq,csync,decoded,cflags
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1010 format(i4.4,i4,f5.1,i5,1x,a2,1x,a22,1x,a3)
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endif
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endif
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write(13,1012) params%nutc,nint(sync),snr,dt,float(freq),drift, &
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decoded,ft,nsum,nsmo
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1012 format(i4.4,i4,i5,f6.2,f8.0,i4,3x,a22,' JT65',3i3)
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call flush(6)
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100 call flush(6)
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!$omp end critical(decode_results)
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select type(this)
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@ -61,20 +61,6 @@ subroutine extract(s3,nadd,mode65,ntrials,naggressive,ndepth,nflip, &
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go to 1
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endif
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if(mode65.eq.101) then
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call packcall(mycall,nmycall,ltext)
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call qra65_dec(s3,nmycall,dat4,irc) !Attempt decoding
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decoded=" "
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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 fmtmsg(decoded,iz)
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nft=100 + irc
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else
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dec=0
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endif
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go to 900
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endif
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mrs=mrsym
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mrs2=mr2sym
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@ -96,6 +96,25 @@ contains
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robust=nrobust
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dd=dd0
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ndecoded=0
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if(nsubmode.ge.100) then
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! This is QRA65 mode
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! print*,'A',nsubmode,nsubmode,nsubmode
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call qra02(dd,nf1,nf2,nfqso,ntol,mycall,sync,nsnr,dtx,nfreq,decoded,nft)
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! print*,'Z',nft,decoded
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if (associated(this%callback)) then
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ndrift=0
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nflip=1
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width=1.0
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nsmo=0
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nqual=0
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call this%callback(sync,nsnr,dtx,nfreq,ndrift, &
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nflip,width,decoded,nft,nqual,nsmo,1,minsync)
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end if
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go to 900
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endif
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do ipass=1,n2pass !Two-pass decoding loop
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first_time=.true.
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if(ipass.eq.1) then !First-pass parameters
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@ -163,9 +182,7 @@ contains
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nvec=100
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endif
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if(nsubmode.le.8) mode65=2**nsubmode
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if(nsubmode.eq.101) mode65=101
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mode65=2**nsubmode
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nflip=1
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nqd=0
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decoded=' '
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@ -298,7 +315,7 @@ contains
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if(ndecoded.lt.1) exit
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enddo !Two-pass loop
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return
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900 return
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end subroutine decode
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subroutine avg65(nutc,nsave,snrsync,dtxx,nflip,nfreq,mode65,ntol,ndepth, &
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@ -24,19 +24,13 @@ void qra65_dec_(float r[], int* nmycall, int xdec[], int* rc)
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// rc=4 [CALL ? ] AP44
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// rc=5 [CALL CALL ?] AP57
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static int ncall0=0;
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int ncall;
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int x[63],y[12];
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static ncall0=-1;
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int ncall=*nmycall;
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static qra65codec *codec;
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ncall = *nmycall;
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qra65codec *codec = qra65_init(1,ncall); //codec for ncall
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/*
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if(ncall!=ncall0) {
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memset(y,0,sizeof(y));
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qra65_encode(codec, y, x);
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printf("Updated codec %d\n",ncall);
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}
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codec = qra65_init(1,ncall); //codec for ncall
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ncall0=ncall;
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*/
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}
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*rc = qra65_decode(codec,xdec,r);
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}
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151
lib/qra02.f90
Normal file
151
lib/qra02.f90
Normal file
@ -0,0 +1,151 @@
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subroutine qra02(dd,nf1,nf2,nfqso,ntol,mycall_12,sync,nsnr,dtx,nfreq, &
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decoded,nft)
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use packjt
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parameter (NFFT=2*6912,NH=NFFT/2,NZ=5760)
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character decoded*22,mycall_12*12,mycall*6
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character*1 mark(0:5),zplot(0:63)
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logical ltext
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integer icos7(0:6)
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integer ipk(1)
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integer jpk(1)
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! integer dat4(12)
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integer dat4(120)
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real dd(60*12000)
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real s(NZ)
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real savg(NZ)
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real blue(0:25)
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real red(NZ)
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real x(NFFT)
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complex cx(0:NH)
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equivalence (x,cx)
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data icos7/2,5,6,0,4,1,3/ !Costas 7x7 pattern
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data mark/' ','.','-','+','X','$'/
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common/qra65com/ss(NZ,194),s3(0:63,1:63),ccf(NZ,0:25)
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save
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! rewind 74
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! rewind 75
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! print*,'B',nf1,nf2,nfqso,ntol
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nsps=6912
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istep=nsps/2
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nsteps=52*12000/istep - 2
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ia=1-istep
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savg=0.
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df=12000.0/NFFT
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do j=1,nsteps
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ia=ia+istep
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ib=ia+nsps-1
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x(1:nsps)=1.2e-4*dd(ia:ib)
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x(nsps+1:)=0.0
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call four2a(x,nfft,1,-1,0) !r2c FFT
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do i=1,NZ
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s(i)=real(cx(i))**2 + aimag(cx(i))**2
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enddo
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ss(1:NZ,j)=s
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savg=savg+s
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enddo
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savg=savg/nsteps
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call pctile(savg,NZ,45,base)
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savg=savg/base - 1.0
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ss=ss/base
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! do i=1,NZ
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! write(73,1010) i*df,savg(i),i
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!1010 format(2f10.3,i8)
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! enddo
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fa=max(nf1,nfqso-ntol)
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fb=min(nf2,nfqso+ntol)
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ia=nint(fa/df)
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ib=nint(fb/df)
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fac=1.0/sqrt(21.0)
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sync=0.
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do if0=ia,ib
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red(if0)=0.
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do j=0,25
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t=-3.0
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do n=0,6
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i=if0 + 2*icos7(n)
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t=t + ss(i,1+2*n+j) + ss(i,1+2*n+j+78) + ss(i,1+2*n+j+154)
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enddo
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ccf(if0,j)=fac*t
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if(ccf(if0,j).gt.red(if0)) then
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red(if0)=ccf(if0,j)
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if(red(if0).gt.sync) then
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sync=red(if0)
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f0=if0*df
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dtx=j*istep/12000.0 - 1.0
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i0=if0
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j0=j
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endif
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endif
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enddo
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enddo
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do i=0,63
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k=i0 + 2*i
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jj=j0+13
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do j=1,63
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jj=jj+2
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s3(i,j)=ss(k,jj)
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if(j.eq.32) jj=jj+14 !Skip over the middle Costas array
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enddo
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enddo
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do j=1,63
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do i=0,63
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n=0.25*s3(i,j)
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if(n.lt.0) n=0
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if(n.gt.5) n=5
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zplot(i)=mark(n)
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enddo
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ipk=maxloc(s3(0:63,j))
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! write(76,3001) j,zplot,ipk(1)-1
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!3001 format(i2,1x,'|',64a1,'|',i4)
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enddo
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if0=nint(f0/df)
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nfreq=nint(f0)
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blue(0:25)=ccf(if0,0:25)
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jpk=maxloc(blue)
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xpk=jpk(1) + 1.0
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call slope(blue,26,xpk)
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! do j=0,25
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! tsec=j*istep/12000.0
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! write(74,1020) tsec,blue(j)
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!1020 format(f5.2,i3,10f7.1)
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! enddo
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! do i=ia,ib
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! f=i*df
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! write(75,1030) f,red(i)
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!1030 format(2f10.2)
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! enddo
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! flush(74)
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! flush(75)
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! flush(76)
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nsnr=-30
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if(sync.gt.1.0) nsnr=nint(10.0*log10(sync) - 38.0)
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decoded=' '
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nft=100
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mycall=mycall_12(1:6) !### May need fixing ###
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call packcall(mycall,nmycall,ltext)
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! write(77,3002) s3
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!3002 format(f10.3)
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! flush(77)
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! print*,'a',sync,dtx,base
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call qra65_dec(s3,nmycall,dat4,irc) !Attempt decoding
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! print*,'z',sync,dtx,nfreq
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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 fmtmsg(decoded,iz)
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nft=100 + irc
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endif
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return
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end subroutine qra02
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@ -4727,7 +4727,6 @@ void MainWindow::transmit (double snr)
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if(m_nSubMode==0) toneSpacing=12000.0/6912.0;
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if(m_nSubMode==1) toneSpacing=2*12000.0/6912.0;
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if(m_nSubMode==2) toneSpacing=4*12000.0/6912.0;
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qDebug() << "b" << m_modeTx << itone[0]<< itone[1]<< itone[2]<< itone[3]<< itone[4]<< itone[5] ;
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Q_EMIT sendMessage (NUM_QRA65_SYMBOLS,
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6912.0, ui->TxFreqSpinBox->value () - m_XIT,
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toneSpacing, m_soundOutput, m_config.audio_output_channel (),
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