WSJT-X/lib/test_qra64.f90

130 lines
3.3 KiB
Fortran
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program test_qra64
character*71 cmd1,cmd2,line
character*22 msg
character*8 arg
character*1 csubmode
integer nretcode(0:11)
logical decok
nargs=iargc()
if(nargs.ne.9) then
print*,'Usage: test_qra64 "msg" A-D depth freq DT fDop TRp nfiles SNR'
print*,'Example: test_qra64 "K1ABC W9XYZ EN37" A 3 1000 0.0 5.0 60 100 -20'
print*,' SNR = 0 to loop over all relevant SNRs'
go to 999
endif
call getarg(1,msg)
call getarg(2,csubmode)
call getarg(3,arg)
read(arg,*) ndepth
call getarg(4,arg)
read(arg,*) nf0
call getarg(5,arg)
read(arg,*) dt
call getarg(6,arg)
read(arg,*) fDop
call getarg(7,arg)
read(arg,*) ntrperiod
call getarg(8,arg)
read(arg,*) nfiles
call getarg(9,arg)
read(arg,*) nsnr
nsps=7680
i50=-28
ia=-20
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ib=-33
if(nsnr.ne.0) then
ia=nsnr
ib=nsnr
endif
baud=12000.0/nsps
tsym=1.0/baud
! 1 2 3 4 5 6 7
! 12345678901234567890123456789012345678901234567890123456789012345678901'
cmd1='qra64sim "K1ABC W9XYZ EN37 " A 1 0.2 0.00 100 -20 > junk0'
cmd2='jt9 -q -L 300 -H 3000 -f 1000 -d 3 -b A *.wav > junk'
write(cmd1(10:33),'(a)') '"'//msg//'"'
cmd1(35:35)=csubmode
write(cmd1(40:43),'(f4.1)') fDop
write(cmd1(44:48),'(f5.2)') dt
write(cmd1(49:53),'(i5)') nfiles
write(cmd2(26:29),'(i4)') nf0
write(cmd2(34:34),'(i1)') ndepth
cmd2(39:39)=csubmode
call system('rm -f *.wav')
write(*,1000) (j,j=0,11)
write(12,1000) (j,j=0,11)
1000 format(/'SNR d Dop Sync Dec Bad',i6,11i4,' tdec'/80('-'))
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dterr=tsym/4.0
nferr=max(1,nint(0.5*baud),nint(fdop/3.0))
ndecodes0=nfiles
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do nsnr=ia,ib,-1
nsync=0
ndecodes=0
nfalse=0
nretcode=0
write(cmd1(55:57),'(i3)') nsnr
call system(cmd1)
call sec0(0,tdec)
call system(cmd2)
call sec0(1,tdec)
open(10,file='junk',status='unknown')
n=0
do iline=1,9999
read(10,'(a71)',end=10) line
if(index(line,'<Decode').eq.1) cycle
read(line(11:20),*) xdt,nf
irc=-1
if(line(23:23).ne.' ') read(line(45:46),*) irc
decok=index(line,'W9XYZ').gt.0
if((abs(xdt-dt).le.dterr .and. abs(nf-nf0).le.nferr) .or. decok) then
nsync=nsync+1
endif
if(irc.lt.0) cycle
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if(decok) then
i=irc
if(i.le.11) then
ndecodes=ndecodes + 1
else
i=mod(i,10)
endif
nretcode(i)=nretcode(i) + 1
else
nfalse=nfalse + 1
print*,'False: ',line
endif
enddo ! iline
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10 close(10)
write(*,1100) nsnr,ndepth,fDop,nsync,ndecodes,nfalse,nretcode, &
tdec/nfiles
write(12,1100) nsnr,ndepth,fDop,nsync,ndecodes,nfalse,nretcode, &
tdec/nfiles
1100 format(i3,i2,f5.1,2i5,i4,i6,11i4,f6.2)
if(ndecodes.lt.nfiles/2 .and. ndecodes0.ge.nfiles/2) then
snr_thresh=nsnr + float(nfiles/2 - ndecodes)/(ndecodes0-ndecodes)
write(13,1200) ndepth,fdop,csubmode,snr_thresh
1200 format(i1,f6.1,2x,a1,f7.1)
flush(13)
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endif
flush(6)
flush(12)
if(ndecodes.eq.0) exit !Bail out if no decodes at this SNR
ndecodes0=ndecodes
enddo ! nsnr
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999 end program test_qra64
include 'sec0.f90'