mirror of https://github.com/saitohirga/WSJT-X.git
Simple driver for end-to-end JT65 simulations.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6530 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor
parent
4a4af7b24f
commit
470547537d
|
|
@ -0,0 +1,148 @@
|
|||
program fer65
|
||||
|
||||
! End-to-end simulator for testing JT65.
|
||||
|
||||
! Options
|
||||
! jt65sim jt65sim
|
||||
!----------------------------------------------------------------
|
||||
! -a aggressive
|
||||
! -d Doppler spread -d depth
|
||||
! -f Number of files -f freq
|
||||
! -m (sub)mode -m (sub)mode
|
||||
! -n number of generated sigs -n ntrials
|
||||
! -t Time offset (s) -r robust sync
|
||||
! -p Do not seed random #s -c mycall
|
||||
! -x hiscall
|
||||
! -g hisgrid
|
||||
! -X hinted-decode flags
|
||||
! -s S/N in 2500 Hz -s single-decode mode
|
||||
|
||||
implicit real*8 (a-h,o-z)
|
||||
real*8 s(5),sq(5)
|
||||
character arg*12,cmnd*100,decoded*22,submode*1,csync*1
|
||||
logical syncok
|
||||
|
||||
nargs=iargc()
|
||||
if(nargs.ne.5) then
|
||||
print*,'Usage: fer65 submode fspread snr1 snr2 iters'
|
||||
print*,'Example: fer65 C 3.0 -28 -12 1000'
|
||||
go to 999
|
||||
endif
|
||||
|
||||
call getarg(1,submode)
|
||||
call getarg(2,arg)
|
||||
read(arg,*) d
|
||||
call getarg(3,arg)
|
||||
read(arg,*) snr1
|
||||
call getarg(4,arg)
|
||||
read(arg,*) snr2
|
||||
call getarg(5,arg)
|
||||
read(arg,*) iters
|
||||
|
||||
dfmax=min(d,0.5*2.69)
|
||||
if(submode.eq.'b' .or. submode.eq.'B') dfmax=min(d,2.69)
|
||||
if(submode.eq.'c' .or. submode.eq.'C') dfmax=min(d,2.0*2.69)
|
||||
if(dfmax.lt.0.5*2.69) dfmax=0.5*2.69
|
||||
|
||||
ntrials=1000
|
||||
naggressive=10
|
||||
|
||||
open(20,file='fer65.20',status='unknown')
|
||||
open(21,file='fer65.21',status='unknown')
|
||||
|
||||
write(20,1000) iters,ntrials,naggressive,d
|
||||
1000 format('Iters:',i6,' T:',i7,' Aggressive:',i3,' Doppler:',f6.1)
|
||||
write(20,1002)
|
||||
1002 format(' dB nsync ngood nbad sync snr ', &
|
||||
'DT Freq Drift'/77('-'))
|
||||
|
||||
do isnr=0,20
|
||||
snr=snr1+isnr
|
||||
if(snr.gt.snr2) exit
|
||||
|
||||
nsync=0
|
||||
ngood=0
|
||||
nbad=0
|
||||
s=0.
|
||||
sq=0.
|
||||
do iter=1,iters
|
||||
write(cmnd,1010) submode,d,snr
|
||||
1010 format('./jt65sim -n 1 -m ',a1,' -d',f6.1,' -s \\',f5.1,' >devnull')
|
||||
call unlink('000000_0001.wav')
|
||||
! print*,cmnd
|
||||
call system(cmnd)
|
||||
call unlink('decoded.txt')
|
||||
call unlink('fort.13')
|
||||
isync=0
|
||||
nsnr=0
|
||||
dt=0.
|
||||
freq=0.
|
||||
ndrift=0
|
||||
cmnd='./jt65 -m A -a 10 -f 1500 -n 1000 -d 3 -s -X 32 000000_0001.wav > decoded.txt'
|
||||
cmnd(11:11)=submode
|
||||
! print*,cmnd
|
||||
call system(cmnd)
|
||||
open(13,file='fort.13',status='old',err=20)
|
||||
read(13,1012) nutc,isync,nsnr,dt,freq,ndrift,decoded,nft,nsum,nsmo
|
||||
1012 format(i4,i4,i5,f6.2,f8.0,i4,3x,a22,5x,3i3)
|
||||
close(13)
|
||||
syncok=abs(dt).lt.0.2 .and. abs(freq-1500.0).lt.dfmax
|
||||
csync=' '
|
||||
if(syncok) csync='*'
|
||||
write(21,1014) nutc,isync,nsnr,dt,freq,ndrift,nft,nsum,nsmo,csync, &
|
||||
decoded(1:16)
|
||||
1014 format(i4,i4,i5,f6.2,f8.0,i4,3x,3i3,1x,a1,1x,a16)
|
||||
|
||||
if(syncok) then
|
||||
nsync=nsync+1
|
||||
if(decoded.eq.'K1ABC W9XYZ EN37 ') then
|
||||
ngood=ngood+1
|
||||
s(1)=s(1) + isync
|
||||
s(2)=s(2) + nsnr
|
||||
s(3)=s(3) + dt
|
||||
s(4)=s(4) + freq
|
||||
s(5)=s(5) + ndrift
|
||||
|
||||
sq(1)=sq(1) + isync*isync
|
||||
sq(2)=sq(2) + nsnr*nsnr
|
||||
sq(3)=sq(3) + dt*dt
|
||||
sq(4)=sq(4) + freq*freq
|
||||
sq(5)=sq(5) + ndrift*ndrift
|
||||
else if(decoded.ne.' ') then
|
||||
nbad=nbad+1
|
||||
print*,nbad,decoded
|
||||
endif
|
||||
endif
|
||||
20 continue
|
||||
fsync=float(nsync)/iter
|
||||
fgood=float(ngood)/iter
|
||||
fbad=float(nbad)/iter
|
||||
write(*,1020) iter,isync,nsnr,dt,int(freq),ndrift,fsync,fgood,fbad, &
|
||||
decoded(1:16)
|
||||
1020 format(i8,2i4,f7.2,i6,i4,2f7.3,f10.6,1x,a16)
|
||||
enddo
|
||||
|
||||
if(ngood.ge.1) then
|
||||
xsync=s(1)/ngood
|
||||
xsnr=s(2)/ngood
|
||||
xdt=s(3)/ngood
|
||||
xfreq=s(4)/ngood
|
||||
xdrift=s(5)/ngood
|
||||
endif
|
||||
if(ngood.ge.2) then
|
||||
esync=sqrt(sq(1)/ngood - xsync**2)
|
||||
esnr=sqrt(sq(2)/ngood - xsnr**2)
|
||||
edt=sqrt(sq(3)/ngood - xdt**2)
|
||||
efreq=sqrt(sq(4)/ngood - xfreq**2)
|
||||
edrift=sqrt(sq(5)/ngood - xdrift**2)
|
||||
endif
|
||||
|
||||
dsnr=xsnr-snr
|
||||
write(20,1100) snr,nsync,ngood,nbad,xsync,esync,dsnr,esnr, &
|
||||
xdt,edt,xfreq,efreq,xdrift,edrift
|
||||
1100 format(f5.1,2i6i4,2f6.1,f6.1,f5.1,f6.2,f5.2,f7.1,3f5.1)
|
||||
flush(20)
|
||||
|
||||
enddo
|
||||
|
||||
999 end program fer65
|
||||
Loading…
Reference in New Issue