mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-15 08:31:57 -05:00
71 lines
1.9 KiB
Fortran
71 lines
1.9 KiB
Fortran
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program allsim
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! Generate simulated data for WSJT-X slow modes: JT4, JT9, JT65, QRA64,
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! and WSPR. Also unmodulated carrier and 20 WPM CW.
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use wavhdr
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use packjt
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parameter (NMAX=60*12000)
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type(hdr) h
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integer*2 iwave(NMAX) !Generated waveform (no noise)
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integer itone(206) !Channel symbols (values 0-8)
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integer icw(250)
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real*4 dat(NMAX)
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character message*22,msgsent*22,arg*8
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nargs=iargc()
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if(nargs.ne.1) then
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print*,'Usage: allsim <snr>'
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go to 999
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endif
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call getarg(1,arg)
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read(arg,*) snrdb !S/N in dB (2500 hz reference BW)
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message='CQ KA2ABC FN20'
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rmsdb=25.
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rms=10.0**(0.05*rmsdb)
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sig=10.0**(0.05*snrdb)
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npts=NMAX
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call init_random_seed() !Seed Fortran RANDOM_NUMBER generator
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call sgran() !Seed C rand generator (used in gran)
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h=default_header(12000,npts)
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open(10,file='000000_0000.wav',access='stream',status='unknown')
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do i=1,npts !Generate gaussian noise
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dat(i)=gran()
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enddo
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itone=0
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call addit(itone,12000,85,6912,400,sig,dat) !Unmodulated carrier
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call morse('CQ CQ DE KA2ABC KA2ABC',icw,ncw)
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! print*,ncw
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! write(*,3001) icw(1:ncw)
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!3001 format(50i1)
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call addcw(icw,ncw,600,sig,dat) !CW
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call genwspr(message,msgsent,itone)
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call addit(itone,12000,86,8192,800,sig,dat) !WSPR (only 59 s of data)
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call gen9(message,0,msgsent,itone,itype)
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call addit(itone,12000,85,6912,1000,sig,dat) !JT9
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call gen4(message,0,msgsent,itone,itype)
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call addit(itone,11025,206,2520,1200,sig,dat) !JT4
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call genqra64(message,0,msgsent,itone,itype)
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call addit(itone,12000,84,6912,1400,sig,dat) !QRA64
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call gen65(message,0,msgsent,itone,itype)
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call addit(itone,11025,126,4096,1600,sig,dat) !JT65
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iwave(1:npts)=nint(rms*dat(1:npts))
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write(10) h,iwave(1:npts)
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close(10)
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999 end program allsim
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