mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-08 18:16:02 -05:00
71 lines
1.9 KiB
Fortran
71 lines
1.9 KiB
Fortran
|
program allsim
|
||
|
|
|
||
|
|
! Generate simulated data for WSJT-X slow modes: JT4, JT9, JT65, QRA64,
|
||
|
|
! and WSPR. Also unmodulated carrier and 20 WPM CW.
|
||
|
|
|
||
|
|
|
||
|
|
use wavhdr
|
||
|
|
use packjt
|
||
|
|
parameter (NMAX=60*12000)
|
||
|
|
type(hdr) h
|
||
|
|
integer*2 iwave(NMAX) !Generated waveform (no noise)
|
||
|
|
integer itone(206) !Channel symbols (values 0-8)
|
||
|
|
integer icw(250)
|
||
|
|
real*4 dat(NMAX)
|
||
|
|
character message*22,msgsent*22,arg*8
|
||
|
|
|
||
|
|
nargs=iargc()
|
||
|
|
if(nargs.ne.1) then
|
||
|
|
print*,'Usage: allsim <snr>'
|
||
|
|
go to 999
|
||
|
|
endif
|
||
|
|
|
||
|
|
call getarg(1,arg)
|
||
|
|
read(arg,*) snrdb !S/N in dB (2500 hz reference BW)
|
||
|
|
|
||
|
|
message='CQ KA2ABC FN20'
|
||
|
|
rmsdb=25.
|
||
|
|
rms=10.0**(0.05*rmsdb)
|
||
|
|
sig=10.0**(0.05*snrdb)
|
||
|
|
npts=NMAX
|
||
|
|
|
||
|
|
call init_random_seed() !Seed Fortran RANDOM_NUMBER generator
|
||
|
|
call sgran() !Seed C rand generator (used in gran)
|
||
|
|
|
||
|
|
h=default_header(12000,npts)
|
||
|
|
open(10,file='000000_0000.wav',access='stream',status='unknown')
|
||
|
|
do i=1,npts !Generate gaussian noise
|
||
|
|
dat(i)=gran()
|
||
|
|
enddo
|
||
|
|
|
||
|
|
itone=0
|
||
|
|
call addit(itone,12000,85,6912,400,sig,dat) !Unmodulated carrier
|
||
|
|
|
||
|
|
call morse('CQ CQ DE KA2ABC KA2ABC',icw,ncw)
|
||
|
|
! print*,ncw
|
||
|
|
! write(*,3001) icw(1:ncw)
|
||
|
|
!3001 format(50i1)
|
||
|
|
call addcw(icw,ncw,600,sig,dat) !CW
|
||
|
|
|
||
|
|
call genwspr(message,msgsent,itone)
|
||
|
|
call addit(itone,12000,86,8192,800,sig,dat) !WSPR (only 59 s of data)
|
||
|
|
|
||
|
|
call gen9(message,0,msgsent,itone,itype)
|
||
|
|
call addit(itone,12000,85,6912,1000,sig,dat) !JT9
|
||
|
|
|
||
|
|
call gen4(message,0,msgsent,itone,itype)
|
||
|
|
call addit(itone,11025,206,2520,1200,sig,dat) !JT4
|
||
|
|
|
||
|
|
call genqra64(message,0,msgsent,itone,itype)
|
||
|
|
call addit(itone,12000,84,6912,1400,sig,dat) !QRA64
|
||
|
|
|
||
|
|
call gen65(message,0,msgsent,itone,itype)
|
||
|
|
call addit(itone,11025,126,4096,1600,sig,dat) !JT65
|
||
|
|
|
||
|
|
iwave(1:npts)=nint(rms*dat(1:npts))
|
||
|
|
|
||
|
|
write(10) h,iwave(1:npts)
|
||
|
|
close(10)
|
||
|
|
|
||
|
|
999 end program allsim
|