mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-31 04:50:34 -04:00
129 lines
3.6 KiB
Fortran
129 lines
3.6 KiB
Fortran
subroutine qra64a(dd,npts,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth, &
|
|
emedelay,mycall_12,hiscall_12,hisgrid_6,sync,nsnr,dtx,nfreq,decoded,nft)
|
|
|
|
use packjt
|
|
use timer_module, only: timer
|
|
|
|
parameter (NMAX=60*12000,LN=1152*63)
|
|
character decoded*22
|
|
character*12 mycall_12,hiscall_12
|
|
character*6 mycall,hiscall,hisgrid_6
|
|
character*4 hisgrid
|
|
logical ltext
|
|
complex c00(0:720000) !Analytic signal for dd()
|
|
real dd(NMAX) !Raw data sampled at 12000 Hz
|
|
integer dat4(12) !Decoded message (as 12 integers)
|
|
data nc1z/-1/,nc2z/-1/,ng2z/-1/,maxaptypez/-1/
|
|
save
|
|
|
|
call timer('qra64a ',0)
|
|
irc=-1
|
|
decoded=' '
|
|
nft=99
|
|
if(nfqso.lt.nf1 .or. nfqso.gt.nf2) go to 900
|
|
|
|
mycall=mycall_12(1:6) !### May need fixing? ###
|
|
hiscall=hiscall_12(1:6)
|
|
hisgrid=hisgrid_6(1:4)
|
|
call packcall(mycall,nc1,ltext)
|
|
call packcall(hiscall,nc2,ltext)
|
|
call packgrid(hisgrid,ng2,ltext)
|
|
nSubmode=0
|
|
if(mode64.eq.2) nSubmode=1
|
|
if(mode64.eq.4) nSubmode=2
|
|
if(mode64.eq.8) nSubmode=3
|
|
if(mode64.eq.16) nSubmode=4
|
|
b90=1.0
|
|
nFadingModel=1
|
|
maxaptype=4
|
|
if(iand(ndepth,64).ne.0) maxaptype=5
|
|
call qra_params(ndepth,maxaptype,idfmax,idtmax,ibwmin,ibwmax,maxdist)
|
|
if(nc1.ne.nc1z .or. nc2.ne.nc2z .or. ng2.ne.ng2z .or. &
|
|
maxaptype.ne.maxaptypez) then
|
|
do naptype=0,maxaptype
|
|
if(naptype.eq.2 .and. maxaptype.eq.4) cycle
|
|
call qra64_dec(s3dummy,nc1,nc2,ng2,naptype,1,nSubmode,b90, &
|
|
nFadingModel,dat4,snr2,irc)
|
|
enddo
|
|
nc1z=nc1
|
|
nc2z=nc2
|
|
ng2z=ng2
|
|
maxaptypez=maxaptype
|
|
endif
|
|
naptype=maxaptype
|
|
|
|
call ana64(dd,npts,c00)
|
|
|
|
call timer('sync64 ',0)
|
|
call sync64(c00,nf1,nf2,nfqso,ntol,minsync,mode64,emedelay,dtx,f0, &
|
|
jpk0,sync,sync2,width)
|
|
call timer('sync64 ',1)
|
|
nfreq=nint(f0)
|
|
if(mode64.eq.1 .and. minsync.ne.-1 .and. (sync-7.0).lt.minsync) go to 900
|
|
|
|
nsps=6912
|
|
call timer('qraloops',0)
|
|
call qra_loops(c00,npts/2,nsps,64,mode64,nsubmode,nFadingModel, &
|
|
ndepth,nc1,nc2,ng2,naptype,jpk0,dtx,f0,width,snr2,irc,dat4)
|
|
call timer('qraloops',1)
|
|
|
|
decoded=' '
|
|
if(irc.ge.0) then
|
|
call unpackmsg(dat4,decoded) !Unpack the user message
|
|
call fmtmsg(decoded,iz)
|
|
if(index(decoded,"000AAA ").ge.1) then
|
|
! Suppress a certain type of garbage decode.
|
|
decoded=' '
|
|
irc=-1
|
|
endif
|
|
nft=100 + irc
|
|
nsnr=nint(snr2)
|
|
else
|
|
snr2=0.
|
|
endif
|
|
nfreq=nint(f0)
|
|
|
|
900 if(irc.lt.0) then
|
|
sy=max(1.0,sync)
|
|
if(nSubmode.eq.0) nsnr=nint(10.0*log10(sy)-35.0) !A
|
|
if(nSubmode.eq.1) nsnr=nint(10.0*log10(sy)-34.0) !B
|
|
if(nSubmode.eq.2) nsnr=nint(10.0*log10(sy)-29.0) !C
|
|
if(nSubmode.eq.3) nsnr=nint(10.0*log10(sy)-29.0) !D
|
|
if(nSubmode.eq.4) nsnr=nint(10.0*log10(sy)-24.0) !E
|
|
endif
|
|
call timer('qra64a ',1)
|
|
|
|
return
|
|
end subroutine qra64a
|
|
|
|
subroutine qra_params(ndepth,maxaptype,idf0max,idt0max,ibwmin,ibwmax,maxdist)
|
|
|
|
! If file qra_params is present in CWD, read decoding params from it.
|
|
|
|
integer iparam(7)
|
|
logical first,ex
|
|
! data iparam/3,5,11,11,0,11,60/ !Maximum effort
|
|
data iparam/3,5,7,7,0,4,15/ !Default values
|
|
data first/.true./
|
|
save first,iparam
|
|
|
|
if(first) then
|
|
inquire(file='qra_params',exist=ex)
|
|
if(ex) then
|
|
open(29,file='qra_params',status='old')
|
|
read(29,*) iparam
|
|
close(29)
|
|
endif
|
|
first=.false.
|
|
endif
|
|
ndepth=iparam(1)
|
|
maxaptype=iparam(2)
|
|
idf0max=iparam(3)
|
|
idt0max=iparam(4)
|
|
ibwmin=iparam(5)
|
|
ibwmax=iparam(6)
|
|
maxdist=iparam(7)
|
|
|
|
return
|
|
end subroutine qra_params
|