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Tweaks to simulators.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8398 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Steven Franke 2018-01-07 15:26:43 +00:00
parent 128b8a70d2
commit 4f0e73f68f
5 changed files with 19 additions and 16 deletions
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13
lib/fsk4hf/wspr_wav.f90
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@ -33,10 +33,17 @@ subroutine wspr_wav(baud,xdt,h,f0,itone,snrdb,iwave)
if(k.gt.0 .and. k.le.NMAX) dat(k)=dat(k) + sig*sin(phi)
enddo
enddo
fac=32767.0
rms=100.0
if(snrdb.ge.90.0) iwave=nint(fac*dat)
if(snrdb.lt.90.0) iwave=nint(rms*dat)
if(snrdb.lt.90.0) then
dat=rms*dat;
if(maxval(abs(dat)).gt.32767.0) print*,"Warning - data will be clipped."
else
datpk=maxval(abs(dat))
fac=32767.9/datpk
dat=fac*dat
endif
iwave=nint(dat)
return
end subroutine wspr_wav

8
lib/fsk4hf/wsprsimf.f90
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@ -20,8 +20,8 @@ program wsprsim
! Get command-line argument(s)
nargs=iargc()
if(nargs.ne.8) then
print*,'Usage: wsprmsksim "message" f0 DT fsp del nwav nfiles snr'
print*,'Example: wsprmsksim "K1ABC FN42 30" 50 0.0 0.1 1.0 1 10 -33'
print*,'Usage: wsprsim "message" f0 DT fsp del nwav nfiles snr'
print*,'Example: wsprsim "K1ABC FN42 30" 50 0.0 0.1 1.0 1 10 -33'
go to 999
endif
call getarg(1,msg) !Message to be transmitted
@ -57,8 +57,8 @@ program wsprsim
write(*,1000) f0,xdt,txt,snrdb,fspread,delay,nfiles,msgsent
1000 format('f0:',f9.3,' DT:',f6.2,' txt:',f6.1,' SNR:',f6.1, &
' fspread:',f6.1,' delay:',f6.1,' nfiles:',i3,2x,a22)
write(*,*) "Channel symbols: "
write(*,'(162i2)') itone
! write(*,*) "Channel symbols: "
! write(*,'(162i2)') itone
h=1.0
phi=0.0

8
lib/jt65sim.f90
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@ -286,12 +286,12 @@ program jt65sim
if(snrdb.lt.90.0) then
dat=rms*dat(1:npts)
else
datpk=maxval(abs(dat))
datpk=maxval(abs(dat(1:npts)))
fac=32766.9/datpk
dat=fac*dat(1:npts)
dat(1:npts)=fac*dat(1:npts)
endif
if(any(dat.gt.32767.0)) print*,"Warning - data will be clipped."
iwave(1:npts)=real(dat(1:npts))
if(any(abs(dat(1:npts)).gt.32767.0)) print*,"Warning - data will be clipped."
iwave(1:npts)=nint(dat(1:npts))
write(10) h,iwave(1:npts) !Save the .wav file
close(10)
enddo

4
lib/wsprd/wsprd_exp.c
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@ -327,9 +327,6 @@ void sync_and_demodulate(float *id, float *qd, long np,
if( fsymb[i] < -128 ) fsymb[i]=-128.0;
symbols[i]=fsymb[i] + 128;
}
printf("a: %f %f %f\n",fsymb[0],fsymb[1],fsymb[2]);
printf("a: %f %f %f\n",fsymb[3],fsymb[4],fsymb[5]);
printf("a: %f %f %f\n",fsymb[6],fsymb[7],fsymb[8]);
return;
}
return;
@ -1182,7 +1179,6 @@ int main(int argc, char *argv[])
shift1=shift0[j];
sync1=sync0[j];
// coarse-grid lag and freq search, then if sync>minsync1 continue
fstep=0.0; ifmin=0; ifmax=0;
lagmin=shift1-128;

2
lib/wsprd/wsprsim_utils.c
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@ -302,7 +302,7 @@ int get_wspr_channel_symbols(char* rawmessage, char* hashtab, unsigned char* sym
encode(channelbits,data,nbytes);
interleave(channelbits);
for (i=0; i<162; i++) {
symbols[i]=2*channelbits[i]+pr3[i];
}