mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-22 12:23:37 -05:00
Temporary save, much work in progress.
This commit is contained in:
Joe Taylor
parent
64516e6abb
commit
9ff6f5b4d3
@ -496,6 +496,7 @@ set (wsjt_FSRCS
|
||||
lib/polyfit.f90
|
||||
lib/prog_args.f90
|
||||
lib/ps4.f90
|
||||
lib/q65_sync.f90
|
||||
lib/qra64a.f90
|
||||
lib/qra_loops.f90
|
||||
lib/qra/q65/q65_ap.f90
|
||||
@ -529,7 +530,6 @@ set (wsjt_FSRCS
|
||||
lib/sync4.f90
|
||||
lib/sync64.f90
|
||||
lib/sync65.f90
|
||||
lib/sync_q65.f90
|
||||
lib/ft4/getcandidates4.f90
|
||||
lib/ft4/get_ft4_bitmetrics.f90
|
||||
lib/ft8/sync8.f90
|
||||
|
||||
@ -90,11 +90,22 @@ contains
|
||||
this%callback => callback
|
||||
if(nutc.eq.-999) print*,lapdx,nfa,nfb,nfqso !Silence warning
|
||||
nFadingModel=1
|
||||
dgen=0
|
||||
call q65_enc(dgen,codewords) !Initialize Q65
|
||||
! nQSOprogress=3 !###
|
||||
dat4=0
|
||||
call timer('sync_q65',0)
|
||||
call sync_q65(iwave,ntrperiod*12000,mode65,nQSOprogress,nsps,nfqso, &
|
||||
ntol,xdt,f0,snr1,width)
|
||||
call q65_sync(iwave,ntrperiod*12000,mode65,nQSOprogress,nsps,nfqso, &
|
||||
ntol,xdt,f0,snr1,dat4,snr2,irc)
|
||||
call timer('sync_q65',1)
|
||||
|
||||
write(55,3055) nutc,xdt,f0,snr1,snr2,irc
|
||||
3055 format(i4.4,4f9.2,i5)
|
||||
if(irc.ge.0) then
|
||||
xdt1=xdt
|
||||
f1=f0
|
||||
go to 100
|
||||
endif
|
||||
|
||||
irc=-9
|
||||
if(snr1.lt.2.8) go to 100
|
||||
jpk0=(xdt+1.0)*6000 !### Is this OK?
|
||||
@ -135,7 +146,7 @@ contains
|
||||
endif
|
||||
call timer('q65loops',0)
|
||||
call q65_loops(c00,nutc,npts/2,nsps/2,nmode,mode65,nsubmode, &
|
||||
nFadingModel,ndepth,jpk0,xdt,f0,width,iaptype,apmask,apsymbols, &
|
||||
nFadingModel,ndepth,jpk0,xdt,f0,iaptype,apmask,apsymbols, &
|
||||
codewords,snr1,xdt1,f1,snr2,irc,dat4)
|
||||
call timer('q65loops',1)
|
||||
snr2=snr2 + db(6912.0/nsps)
|
||||
|
||||
@ -1,11 +1,11 @@
|
||||
subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
xdt,f0,snr1,width)
|
||||
subroutine q65_sync(iwave,nmax,mode_q65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
xdt,f0,snr1,dat4,snr2,irc)
|
||||
|
||||
! Detect and align with the Q65 sync vector, returning time and frequency
|
||||
! offsets and SNR estimate.
|
||||
|
||||
! Input: iwave(0:nmax-1) Raw data
|
||||
! mode65 Tone spacing 1 2 4 8 16 (A-E)
|
||||
! mode_q65 Tone spacing 1 2 4 8 16 (A-E)
|
||||
! nsps Samples per symbol at 12000 Sa/s
|
||||
! nfqso Target frequency (Hz)
|
||||
! ntol Search range around nfqso (Hz)
|
||||
@ -19,17 +19,23 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
integer*2 iwave(0:nmax-1) !Raw data
|
||||
integer isync(22) !Indices of sync symbols
|
||||
integer itone(85)
|
||||
integer codewords(63,64)
|
||||
integer dat4(13)
|
||||
integer ijpk(2)
|
||||
real, allocatable :: s1(:,:) !Symbol spectra, 1/8-symbol steps
|
||||
real, allocatable :: s3(:,:) !Data-symbol energies s3(LL,63)
|
||||
real, allocatable :: ccf(:,:) !CCF(freq,lag)
|
||||
real, allocatable :: ccf1(:) !CCF(freq) at best lag
|
||||
real s3prob(0:63,63) !Symbol-value probabilities
|
||||
real sync(85) !sync vector
|
||||
complex, allocatable :: c0(:) !Complex spectrum of symbol
|
||||
data isync/1,9,12,13,15,22,23,26,27,33,35,38,46,50,55,60,62,66,69,74,76,85/
|
||||
data sync(1)/99.0/
|
||||
save sync
|
||||
|
||||
LL=64*(2+mode_q65)
|
||||
nfft=nsps
|
||||
df=12000.0/nfft !Freq resolution = 0.5*baud
|
||||
df=12000.0/nfft !Freq resolution = baud
|
||||
istep=nsps/NSTEP
|
||||
iz=5000.0/df !Uppermost frequency bin, at 5000 Hz
|
||||
txt=85.0*nsps/12000.0
|
||||
@ -38,6 +44,7 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
ia=ntol/df
|
||||
|
||||
allocate(s1(iz,jz))
|
||||
allocate(s3(-64:LL-65,63))
|
||||
allocate(c0(0:nfft-1))
|
||||
allocate(ccf(-ia:ia,-53:214))
|
||||
allocate(ccf1(-ia:ia))
|
||||
@ -66,12 +73,13 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
s1(i,j)=real(c0(i))**2 + aimag(c0(i))**2
|
||||
enddo
|
||||
! For large Doppler spreads, should we smooth the spectra here?
|
||||
call smo121(s1(1:iz,j),iz)
|
||||
! call smo121(s1(1:iz,j),iz)
|
||||
enddo
|
||||
|
||||
i0=nint(nfqso/df) !Target QSO frequency
|
||||
call pctile(s1(i0-64:i0+192,1:jz),129*jz,40,base)
|
||||
s1=s1/base - 1.0
|
||||
! s1=s1/base - 1.0
|
||||
s1=s1/base
|
||||
|
||||
! Apply fast AGC
|
||||
s1max=20.0 !Empirical choice
|
||||
@ -101,19 +109,9 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
enddo
|
||||
enddo
|
||||
|
||||
ic=ntol/df
|
||||
ccfmax=0.
|
||||
ipk=0
|
||||
jpk=0
|
||||
do i=-ic,ic
|
||||
do j=lag1,lag2
|
||||
if(ccf(i,j).gt.ccfmax) then
|
||||
ipk=i
|
||||
jpk=j
|
||||
ccfmax=ccf(i,j)
|
||||
endif
|
||||
enddo
|
||||
enddo
|
||||
ijpk=maxloc(ccf)
|
||||
ipk=ijpk(1)-ia-1
|
||||
jpk=ijpk(2)-53-1
|
||||
f0=nfqso + ipk*df
|
||||
xdt=jpk*dtstep
|
||||
|
||||
@ -129,28 +127,10 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
smax=ccf(ipk,jpk)
|
||||
snr1=smax/rms
|
||||
|
||||
! do j=lag1,lag2
|
||||
! write(55,3055) j,j*dtstep,ccf(ipk,j)/rms
|
||||
!3055 format(i5,f8.3,f10.3)
|
||||
! enddo
|
||||
!######################################################################
|
||||
! Experimental: Try early list decoding via "Deep Likelihood".
|
||||
|
||||
! do i=-ia,ia
|
||||
! write(56,3056) i*df,ccf(i,jpk)/rms
|
||||
!3056 format(2f10.3)
|
||||
! enddo
|
||||
! flush(56)
|
||||
|
||||
ccf1=ccf(-ia:ia,jpk)
|
||||
acf0=dot_product(ccf1,ccf1)
|
||||
do i=1,ia
|
||||
acf=dot_product(ccf1,cshift(ccf1,i))
|
||||
if(acf.le.0.5*acf0) exit
|
||||
enddo
|
||||
width=i*1.414*df
|
||||
|
||||
!### Experimental:
|
||||
if(nQSOprogress.lt.1) go to 900
|
||||
! "Deep Likelihood" decode attempt
|
||||
snr1a_best=0.
|
||||
do imsg=1,4
|
||||
ccf=0.
|
||||
@ -159,7 +139,14 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
if(imsg.eq.3) msg='K1ABC W9XYZ 73'
|
||||
if(imsg.eq.4) msg='CQ K9AN EN50'
|
||||
call genq65(msg,0,msgsent,itone,i3,n3)
|
||||
j=0
|
||||
do k=1,85
|
||||
if(sync(k)>0.) cycle
|
||||
j=j+1
|
||||
codewords(j,imsg)=itone(k) - 1
|
||||
enddo
|
||||
|
||||
! Compute 2D ccf using all 85 symbols in the list message
|
||||
do lag=lag1,lag2
|
||||
do k=1,85
|
||||
j=j0 + NSTEP*(k-1) + 1 + lag
|
||||
@ -172,22 +159,12 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
enddo
|
||||
enddo
|
||||
|
||||
ic=ntol/df
|
||||
ccfmax=0.
|
||||
ipk=0
|
||||
jpk=0
|
||||
do i=-ic,ic
|
||||
do j=lag1,lag2
|
||||
if(ccf(i,j).gt.ccfmax) then
|
||||
ipk=i
|
||||
jpk=j
|
||||
ccfmax=ccf(i,j)
|
||||
endif
|
||||
enddo
|
||||
enddo
|
||||
ijpk=maxloc(ccf)
|
||||
ipk=ijpk(1)-ia-1
|
||||
jpk=ijpk(2)-53-1
|
||||
f0a=nfqso + ipk*df
|
||||
xdta=jpk*dtstep
|
||||
|
||||
|
||||
sq=0.
|
||||
nsq=0
|
||||
do j=lag1,lag2
|
||||
@ -205,27 +182,43 @@ subroutine sync_q65(iwave,nmax,mode65,nQSOprogress,nsps,nfqso,ntol, &
|
||||
xdta_best=xdta
|
||||
f0a_best=f0a
|
||||
endif
|
||||
! write(57,3001) imsg,xdt,xdta,f0,f0a,snr1,snr1a
|
||||
!3001 format(i1,6f8.2)
|
||||
enddo ! imsg
|
||||
|
||||
! do j=lag1,lag2
|
||||
! write(55,3055) j,j*dtstep,ccf(ipk,j)/rms
|
||||
!3055 format(i5,f8.3,f10.3)
|
||||
! enddo
|
||||
|
||||
! do i=-ia,ia
|
||||
! write(56,3056) i*df,ccf(i,jpk)/rms
|
||||
!3056 format(2f10.3)
|
||||
! enddo
|
||||
enddo
|
||||
if(snr1a_best.gt.2.0) then
|
||||
xdt=xdta_best
|
||||
f0=f0a_best
|
||||
snr1=1.4*snr1a_best
|
||||
endif
|
||||
|
||||
! write(58,3006) xdta_best,f0a_best,snr1a_best,imsg_best
|
||||
!3006 format(3f8.2,i3)
|
||||
ia=i0+ipk-63
|
||||
ib=ia+LL-1
|
||||
j=j0+jpk-5
|
||||
n=0
|
||||
do k=1,85
|
||||
j=j+8
|
||||
if(sync(k).gt.0.0) then
|
||||
cycle
|
||||
endif
|
||||
n=n+1
|
||||
s3(-64:LL-65,n)=s1(ia:ib,j)
|
||||
enddo
|
||||
|
||||
nsubmode=0
|
||||
nFadingModel=1
|
||||
baud=12000.0/nsps
|
||||
dat4=0
|
||||
irc=-2
|
||||
do ibw=0,10
|
||||
b90=1.72**ibw
|
||||
call q65_intrinsics_ff(s3,nsubmode,b90/baud,nFadingModel,s3prob)
|
||||
call q65_dec_fullaplist(s3,s3prob,codewords,4,esnodb,dat4,plog,irc)
|
||||
if(irc.ge.0) then
|
||||
xdt=xdta_best
|
||||
f0=f0a_best
|
||||
snr2=esnodb - db(2500.0/baud)
|
||||
exit
|
||||
endif
|
||||
enddo
|
||||
|
||||
900 return
|
||||
end subroutine sync_q65
|
||||
end subroutine q65_sync
|
||||
@ -703,10 +703,11 @@ int q65_decode_fullaplist(q65_codec_ds *codec,
|
||||
maxllh = llh;
|
||||
maxcw = k;
|
||||
}
|
||||
// printf("BBB %d %f\n",k,llh);
|
||||
// point to next codeword
|
||||
pCw+=nN;
|
||||
}
|
||||
|
||||
q65_llh=maxllh;
|
||||
if (maxcw<0) // no llh larger than threshold found
|
||||
return Q65_DECODE_FAILED;
|
||||
|
||||
|
||||
@ -39,7 +39,7 @@
|
||||
// maximum number of weights for the fast-fading metric evaluation
|
||||
#define Q65_FASTFADING_MAXWEIGTHS 65
|
||||
|
||||
|
||||
float q65_llh;
|
||||
typedef struct {
|
||||
const qracode *pQraCode; // qra code to be used by the codec
|
||||
float decoderEsNoMetric; // value for which we optimize the decoder metric
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
subroutine q65_loops(c00,nutc,npts2,nsps,mode,mode_q65,nsubmode,nFadingModel, &
|
||||
ndepth,jpk0,xdt0,f0,width,iaptype,APmask,APsymbols,codewords,snr1, &
|
||||
ndepth,jpk0,xdt0,f0,iaptype,APmask,APsymbols,codewords,snr1, &
|
||||
xdt1,f1,snr2,irc,dat4)
|
||||
|
||||
use packjt77
|
||||
@ -91,7 +91,6 @@ subroutine q65_loops(c00,nutc,npts2,nsps,mode,mode_q65,nsubmode,nFadingModel, &
|
||||
! b90=1.728**ibw
|
||||
b90=3.0**nbw
|
||||
if(b90.gt.230.0) cycle
|
||||
! if(b90.lt.0.15*width) exit
|
||||
call timer('q65_intr',0)
|
||||
b90ts = b90/baud
|
||||
call q65_intrinsics_ff(s3,nsubmode,b90ts,nFadingModel,s3prob)
|
||||
@ -99,7 +98,8 @@ subroutine q65_loops(c00,nutc,npts2,nsps,mode,mode_q65,nsubmode,nFadingModel, &
|
||||
if(iaptype.eq.4) then
|
||||
codewords(1:63,4)=cw4
|
||||
call timer('q65_apli',0)
|
||||
call q65_dec_fullaplist(s3,s3prob,codewords,4,esnodb,dat4,irc)
|
||||
call q65_dec_fullaplist(s3,s3prob,codewords,4,esnodb, &
|
||||
dat4,plog,irc)
|
||||
call timer('q65_apli',1)
|
||||
else
|
||||
call timer('q65_dec ',0)
|
||||
@ -140,20 +140,20 @@ subroutine q65_loops(c00,nutc,npts2,nsps,mode,mode_q65,nsubmode,nFadingModel, &
|
||||
xdt1=xdt0 + nsps*ndt/(16.0*6000.0)
|
||||
f1=f0 + 0.5*baud*ndf
|
||||
!### For tests only:
|
||||
open(53,file='fort.53',status='unknown',position='append')
|
||||
write(c77,1100) dat4(1:12),dat4(13)/2
|
||||
1100 format(12b6.6,b5.5)
|
||||
call unpack77(c77,0,decoded,unpk77_success) !Unpack to get msgsent
|
||||
m=nutc
|
||||
if(nsps.ge.3600) m=100*m
|
||||
ihr=m/10000
|
||||
imin=mod(m/100,100)
|
||||
isec=mod(m,100)
|
||||
hours=ihr + imin/60.0 + isec/3600.0
|
||||
write(53,3053) m,hours,ndf,ndt,nbw,ndist,irc,iaptype,kavg,snr1, &
|
||||
xdt1,f1,snr2,trim(decoded)
|
||||
3053 format(i6.6,f8.4,4i3,i4,2i3,f6.1,f6.2,f7.1,f6.1,1x,a)
|
||||
close(53)
|
||||
! open(53,file='fort.53',status='unknown',position='append')
|
||||
! write(c77,1100) dat4(1:12),dat4(13)/2
|
||||
!1100 format(12b6.6,b5.5)
|
||||
! call unpack77(c77,0,decoded,unpk77_success) !Unpack to get msgsent
|
||||
! m=nutc
|
||||
! if(nsps.ge.3600) m=100*m
|
||||
! ihr=m/10000
|
||||
! imin=mod(m/100,100)
|
||||
! isec=mod(m,100)
|
||||
! hours=ihr + imin/60.0 + isec/3600.0
|
||||
! write(53,3053) m,hours,ndf,ndt,nbw,ndist,irc,iaptype,kavg,snr1, &
|
||||
! xdt1,f1,snr2,trim(decoded)
|
||||
!3053 format(i6.6,f8.4,4i3,i4,2i3,f6.1,f6.2,f7.1,f6.1,1x,a)
|
||||
! close(53)
|
||||
!###
|
||||
nsave=0
|
||||
s3avg=0.
|
||||
|
||||
@ -111,7 +111,7 @@ void q65_dec_(float s3[], float s3prob[], int APmask[], int APsymbols[],
|
||||
}
|
||||
|
||||
void q65_dec_fullaplist_(float s3[], float s3prob[], int codewords[],
|
||||
int* ncw, float* esnodb0, int xdec[], int* rc0)
|
||||
int* ncw, float* esnodb0, int xdec[], float* plog, int* rc0)
|
||||
{
|
||||
/* Input: s3[LL,NN] Symbol spectra
|
||||
* s3prob[LL,NN] Symbol-value intrinsic probabilities
|
||||
@ -128,6 +128,7 @@ void q65_dec_fullaplist_(float s3[], float s3prob[], int codewords[],
|
||||
float esnodb;
|
||||
|
||||
rc = q65_decode_fullaplist(&codec,ydec,xdec,s3prob,codewords,*ncw);
|
||||
*plog=q65_llh;
|
||||
*rc0=rc;
|
||||
|
||||
// rc = -1: Invalid params
|
||||
|
||||
@ -193,21 +193,21 @@ program q65sim
|
||||
write(10) h,iwave(1:npts) !Save the .wav file
|
||||
close(10)
|
||||
|
||||
if(lsync) then
|
||||
cd=' '
|
||||
if(ifile.eq.nfiles) cd='d'
|
||||
nfqso=nint(f0)
|
||||
ntol=100
|
||||
call sync_q65(iwave,npts,mode65,nsps,nfqso,ntol,xdt2,f02,snr2)
|
||||
terr=1.01/(8.0*baud)
|
||||
ferr=1.01*mode65*baud
|
||||
if(abs(xdt2-xdt).lt.terr .and. abs(f02-f0).lt.ferr) nsync=nsync+1
|
||||
open(40,file='sync65.out',status='unknown',position='append')
|
||||
write(40,1030) ifile,65,csubmode,snrdb,fspread,xdt2-xdt,f02-f0, &
|
||||
snr2,nsync,cd
|
||||
1030 format(i4,i3,1x,a1,2f7.1,f7.2,2f8.1,i5,1x,a1)
|
||||
close(40)
|
||||
endif
|
||||
! if(lsync) then
|
||||
! cd=' '
|
||||
! if(ifile.eq.nfiles) cd='d'
|
||||
! nfqso=nint(f0)
|
||||
! ntol=100
|
||||
! call q65_sync(iwave,npts,mode65,nsps,nfqso,ntol,xdt2,f02,snr2)
|
||||
! terr=1.01/(8.0*baud)
|
||||
! ferr=1.01*mode65*baud
|
||||
! if(abs(xdt2-xdt).lt.terr .and. abs(f02-f0).lt.ferr) nsync=nsync+1
|
||||
! open(40,file='sync65.out',status='unknown',position='append')
|
||||
! write(40,1030) ifile,65,csubmode,snrdb,fspread,xdt2-xdt,f02-f0, &
|
||||
! snr2,nsync,cd
|
||||
!1030 format(i4,i3,1x,a1,2f7.1,f7.2,2f8.1,i5,1x,a1)
|
||||
! close(40)
|
||||
! endif
|
||||
enddo
|
||||
if(lsync) write(*,1040) snrdb,nfiles,nsync
|
||||
1040 format('SNR:',f6.1,' nfiles:',i5,' nsynced:',i5)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user