2020-10-03 08:25:17 -04:00
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program test_qra64
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character*71 cmd1,cmd2,line
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character*22 msg
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character*8 arg
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character*1 csubmode
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integer nretcode(0:11)
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logical decok
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nargs=iargc()
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if(nargs.ne.9) then
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print*,'Usage: test_qra64 "msg" A-D depth freq DT fDop TRp nfiles SNR'
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print*,'Example: test_qra64 "K1ABC W9XYZ EN37" A 3 1000 0.0 5.0 60 100 -20'
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print*,' SNR = 0 to loop over all relevant SNRs'
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go to 999
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endif
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call getarg(1,msg)
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call getarg(2,csubmode)
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call getarg(3,arg)
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read(arg,*) ndepth
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call getarg(4,arg)
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read(arg,*) nf0
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call getarg(5,arg)
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read(arg,*) dt
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call getarg(6,arg)
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read(arg,*) fDop
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call getarg(7,arg)
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read(arg,*) ntrperiod
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call getarg(8,arg)
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read(arg,*) nfiles
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call getarg(9,arg)
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read(arg,*) nsnr
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nsps=7680
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i50=-28
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2020-10-04 12:29:18 -04:00
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ia=-20
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2020-10-03 08:25:17 -04:00
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ib=-33
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if(nsnr.ne.0) then
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ia=nsnr
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ib=nsnr
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endif
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baud=12000.0/nsps
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tsym=1.0/baud
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! 1 2 3 4 5 6 7
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! 12345678901234567890123456789012345678901234567890123456789012345678901'
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cmd1='qra64sim "K1ABC W9XYZ EN37 " A 1 0.2 0.00 100 -20 > junk0'
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cmd2='jt9 -q -L 300 -H 3000 -f 1000 -d 3 -b A *.wav > junk'
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write(cmd1(10:33),'(a)') '"'//msg//'"'
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cmd1(35:35)=csubmode
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write(cmd1(40:43),'(f4.1)') fDop
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write(cmd1(44:48),'(f5.2)') dt
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write(cmd1(49:53),'(i5)') nfiles
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write(cmd2(26:29),'(i4)') nf0
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write(cmd2(34:34),'(i1)') ndepth
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cmd2(39:39)=csubmode
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call system('rm -f *.wav')
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write(*,1000) (j,j=0,11)
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write(12,1000) (j,j=0,11)
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2020-10-04 12:29:18 -04:00
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1000 format(/'SNR d Dop Sync Dec Bad',i6,11i4,' tdec'/80('-'))
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2020-10-03 08:25:17 -04:00
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dterr=tsym/4.0
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2020-10-04 12:29:18 -04:00
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nferr=max(1,nint(0.5*baud),nint(fdop/3.0))
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ndecodes0=nfiles
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2020-10-03 08:25:17 -04:00
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do nsnr=ia,ib,-1
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nsync=0
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ndecodes=0
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nfalse=0
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nretcode=0
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write(cmd1(55:57),'(i3)') nsnr
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call system(cmd1)
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call sec0(0,tdec)
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call system(cmd2)
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call sec0(1,tdec)
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open(10,file='junk',status='unknown')
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n=0
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do iline=1,9999
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read(10,'(a71)',end=10) line
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if(index(line,'<Decode').eq.1) cycle
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read(line(11:20),*) xdt,nf
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irc=-1
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if(line(23:23).ne.' ') read(line(45:46),*) irc
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decok=index(line,'W9XYZ').gt.0
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2020-10-04 12:29:18 -04:00
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if((abs(xdt-dt).le.dterr .and. abs(nf-nf0).le.nferr) .or. decok) then
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nsync=nsync+1
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endif
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if(irc.lt.0) cycle
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2020-10-03 08:25:17 -04:00
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if(decok) then
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i=irc
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if(i.le.11) then
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ndecodes=ndecodes + 1
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navg=navg + 1
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else
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i=mod(i,10)
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navg=navg + 1
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endif
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nretcode(i)=nretcode(i) + 1
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else
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nfalse=nfalse + 1
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print*,'False: ',line
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endif
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2020-10-04 12:29:18 -04:00
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enddo ! iline
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2020-10-03 08:25:17 -04:00
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10 close(10)
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2020-10-04 12:29:18 -04:00
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write(*,1100) nsnr,ndepth,fDop,nsync,ndecodes,nfalse,nretcode, &
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tdec/nfiles
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write(12,1100) nsnr,ndepth,fDop,nsync,ndecodes,nfalse,nretcode, &
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tdec/nfiles
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1100 format(i3,i2,f5.1,2i5,i4,i6,11i4,f6.2)
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if(ndecodes.lt.nfiles/2 .and. ndecodes0.ge.nfiles/2) then
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snr_thresh=nsnr + float(nfiles/2 - ndecodes)/(ndecodes0-ndecodes)
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write(13,1200) ndepth,fdop,csubmode,snr_thresh
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1200 format(i1,f6.1,2x,a1,f7.1)
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flush(13)
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2020-10-03 08:25:17 -04:00
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endif
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flush(6)
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flush(12)
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2020-10-04 12:29:18 -04:00
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if(ndecodes.eq.0) exit !Bail out if no decodes at this SNR
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ndecodes0=ndecodes
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enddo ! nsnr
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2020-10-03 08:25:17 -04:00
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999 end program test_qra64
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include 'sec0.f90'
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