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https://github.com/saitohirga/WSJT-X.git
synced 2024-09-27 07:36:38 -04:00
Convert ft8sim.f90 to use 77bit messages. Remove ft8sim2.f90.
This commit is contained in:
Steve Franke
parent
fffa692ac5
commit
d0f0d420a9
@ -456,7 +456,6 @@ set (wsjt_FSRCS
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lib/ft8/ft8code.f90
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lib/ft8/ft8code.f90
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lib/ft8/ft8_downsample.f90
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lib/ft8/ft8_downsample.f90
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lib/ft8/ft8sim.f90
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lib/ft8/ft8sim.f90
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lib/ft8/ft8sim2.f90
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lib/gen4.f90
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lib/gen4.f90
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lib/gen65.f90
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lib/gen65.f90
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lib/gen9.f90
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lib/gen9.f90
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@ -1250,9 +1249,6 @@ target_link_libraries (ft8code wsjt_fort wsjt_cxx)
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add_executable (ft8sim lib/ft8/ft8sim.f90 wsjtx.rc)
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add_executable (ft8sim lib/ft8/ft8sim.f90 wsjtx.rc)
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target_link_libraries (ft8sim wsjt_fort wsjt_cxx)
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target_link_libraries (ft8sim wsjt_fort wsjt_cxx)
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add_executable (ft8sim2 lib/ft8/ft8sim2.f90 wsjtx.rc)
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target_link_libraries (ft8sim2 wsjt_fort wsjt_cxx)
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add_executable (msk144sd lib/msk144sd.f90 wsjtx.rc)
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add_executable (msk144sd lib/msk144sd.f90 wsjtx.rc)
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target_link_libraries (msk144sd wsjt_fort wsjt_cxx)
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target_link_libraries (msk144sd wsjt_fort wsjt_cxx)
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@ -1,14 +1,16 @@
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program ft8sim
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program ft8sim2
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! Generate simulated data for a 15-second HF/6m mode using 8-FSK.
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! Generate simulated "type 2" ft8 files
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! Output is saved to a *.wav file.
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! Output is saved to a *.wav file.
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use wavhdr
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use wavhdr
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use packjt77
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include 'ft8_params.f90' !Set various constants
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include 'ft8_params.f90' !Set various constants
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parameter (NWAVE=NN*NSPS)
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parameter (NWAVE=NN*NSPS)
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type(hdr) h !Header for .wav file
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type(hdr) h !Header for .wav file
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character arg*12,fname*17
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character arg*12,fname*17
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character msg*37,msgsent*37,msg0*37
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character msg37*37,msgsent37*37,msg40*40
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character c77*77
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complex c0(0:NMAX-1)
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complex c0(0:NMAX-1)
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complex c(0:NMAX-1)
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complex c(0:NMAX-1)
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real wave(NMAX)
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real wave(NMAX)
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@ -19,14 +21,13 @@ program ft8sim
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! Get command-line argument(s)
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! Get command-line argument(s)
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nargs=iargc()
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nargs=iargc()
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if(nargs.ne.8) then
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if(nargs.ne.8) then
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print*,'Usage: ft8sim "message" nsig|f0 DT fdop del width nfiles snr'
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print*,'Usage: ft8sim2 "message" f0 DT fdop del width nfiles snr'
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print*,'Examples: ft8sim "K1ABC W9XYZ EN37" 1500.0 0.0 0.1 1.0 0 10 -18'
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print*,'Examples: ft8sim2 "K1ABC W9XYZ EN37" 1500.0 0.0 0.1 1.0 0 10 -18'
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print*,' ft8sim "K1ABC W9XYZ EN37" 10 0.0 0.1 1.0 25 10 -18'
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print*,' ft8sim2 "WA9XYZ/R KA1ABC/R FN42" 1500.0 0.0 0.1 1.0 0 10 -18'
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print*,' ft8sim "K1ABC W9XYZ EN37" 25 0.0 0.1 1.0 25 10 -18'
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print*,' ft8sim2 "K1ABC RR73; W9XYZ <KH1/KH7Z> -11" 300 0 0 0 25 1 -10'
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print*,' ft8sim "K1ABC RR73; W9XYZ <KH1/KH7Z> -11" 300 0 0 0 25 1 -10'
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go to 999
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go to 999
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endif
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endif
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call getarg(1,msg) !Message to be transmitted
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call getarg(1,msg37) !Message to be transmitted
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call getarg(2,arg)
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call getarg(2,arg)
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read(arg,*) f0 !Frequency (only used for single-signal)
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read(arg,*) f0 !Frequency (only used for single-signal)
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call getarg(3,arg)
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call getarg(3,arg)
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@ -61,84 +62,56 @@ program ft8sim
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if(snrdb.gt.90.0) sig=1.0
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if(snrdb.gt.90.0) sig=1.0
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txt=NN*NSPS/12000.0
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txt=NN*NSPS/12000.0
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! Source-encode, then get itone()
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! Source-encode, then get itone()
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if(index(msg,';').le.0) then
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i3=-1
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i3bit=0
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n3=-1
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call genft8(msg,i3bit,0,1,msgsent,msgbits,itone)
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call pack77(msg37,i3,n3,c77)
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write(*,1000) f0,xdt,txt,snrdb,bw,msgsent
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call genft8_174_91(msg37,i3,n3,msgsent37,msgbits,itone)
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1000 format('f0:',f9.3,' DT:',f6.2,' TxT:',f6.1,' SNR:',f6.1, &
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' BW:',f4.1,2x,a22)
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else
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call foxgen_wrap(msg,msgbits,itone)
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write(*,1001) f0,xdt,txt,snrdb,bw,msg
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1001 format('f0:',f9.3,' DT:',f6.2,' TxT:',f6.1,' SNR:',f6.1, &
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' BW:',f4.1,2x,a37)
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endif
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write(*,1030) msgbits(1:56)
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write(*,*)
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1030 format(/'Call1: ',28i1,' Call2: ',28i1)
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write(*,'(a23,a37,3x,a7,i1,a1,i1)') 'New Style FT8 Message: ',msgsent37,'i3.n3: ',i3,'.',n3
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write(*,1032) msgbits(57:72),msgbits(73:75)
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write(*,1000) f0,xdt,txt,snrdb,bw
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1032 format('Grid: ',16i1,' 3Bit: ',3i1)
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1000 format('f0:',f9.3,' DT:',f6.2,' TxT:',f6.1,' SNR:',f6.1, &
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write(*,1034) itone
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' BW:',f4.1)
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1034 format(/'Channel symbols:'/79i1/)
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write(*,*)
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if(i3.eq.1) then
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write(*,*) ' mycall hiscall hisgrid'
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write(*,'(28i1,1x,i1,1x,28i1,1x,i1,1x,i1,1x,15i1,1x,3i1)') msgbits(1:77)
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else
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write(*,'(a14)') 'Message bits: '
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write(*,'(77i1)') msgbits
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endif
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write(*,*)
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write(*,'(a17)') 'Channel symbols: '
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write(*,'(79i1)') itone
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write(*,*)
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call sgran()
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call sgran()
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msg0=msg
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msg0=msg
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do ifile=1,nfiles
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do ifile=1,nfiles
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c=0.
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k=nint((xdt+0.5)/dt)
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do isig=1,nsig
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ia=k
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c0=0.
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phi=0.0
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if(nsig.eq.2) then
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c0=0.0
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if(index(msg,'R-').gt.0) f0=500
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do j=1,NN !Generate complex waveform
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i1=index(msg,' ')
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dphi=twopi*(f0*dt+itone(j)/real(NSPS))
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msg(i1+4:i1+4)=char(ichar('A')+isig-1)
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do i=1,NSPS
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if(isig.eq.2) then
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if(k.ge.0 .and. k.lt.NMAX) c0(k)=cmplx(cos(phi),sin(phi))
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f0=f0+100
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k=k+1
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endif
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phi=mod(phi+dphi,twopi)
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call genft8(msg,i3bit,msgsent,msgbits,itone)
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endif
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if(nsig.eq.25) then
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f0=(isig+2)*100.0
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else if(nsig.eq.50) then
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msg=msg0
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f0=1000.0 + (isig-1)*60.0
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i1=index(msg,' ')
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i2=index(msg(i1+1:),' ') + i1
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msg(i1+2:i1+2)=char(ichar('0')+mod(isig-1,10))
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msg(i1+3:i1+3)=char(ichar('A')+mod(isig-1,26))
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msg(i1+4:i1+4)=char(ichar('A')+mod(isig-1,26))
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msg(i1+5:i1+5)=char(ichar('A')+mod(isig-1,26))
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write(msg(i2+3:i2+4),'(i2.2)') isig-1
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if(ifile.ge.2 .and. isig.eq.ifile-1) then
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write(msg(i2+1:i2+4),1002) -isig
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1002 format('R',i3.2)
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f0=600.0 + mod(isig-1,5)*60.0
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endif
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call genft8(msg,i3bit,msgsent,msgbits,itone)
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endif
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! k=nint((xdt+0.5+0.01*gran())/dt)
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k=nint((xdt+0.5)/dt)
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ia=k
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phi=0.0
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do j=1,NN !Generate complex waveform
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dphi=twopi*(f0*dt+itone(j)/real(NSPS))
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do i=1,NSPS
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if(k.ge.0 .and. k.lt.NMAX) c0(k)=cmplx(cos(phi),sin(phi))
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k=k+1
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phi=mod(phi+dphi,twopi)
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enddo
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enddo
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enddo
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if(fspread.ne.0.0 .or. delay.ne.0.0) call watterson(c0,NMAX,fs,delay,fspread)
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c=c+sig*c0
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enddo
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enddo
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if(fspread.ne.0.0 .or. delay.ne.0.0) call watterson(c0,NMAX,fs,delay,fspread)
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c=sig*c0
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ib=k
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ib=k
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wave=real(c)
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wave=real(c)
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peak=maxval(abs(wave(ia:ib)))
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peak=maxval(abs(wave(ia:ib)))
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rms=sqrt(dot_product(wave(ia:ib),wave(ia:ib))/NWAVE)
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rms=sqrt(dot_product(wave(ia:ib),wave(ia:ib))/NWAVE)
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nslots=1
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nslots=1
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if(width.gt.0.0) call filt8(f0,nslots,width,wave)
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if(width.gt.0.0) call filt8(f0,nslots,width,wave)
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if(snrdb.lt.90) then
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if(snrdb.lt.90) then
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do i=1,NMAX !Add gaussian noise at specified SNR
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do i=1,NMAX !Add gaussian noise at specified SNR
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xnoise=gran()
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xnoise=gran()
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@ -159,8 +132,5 @@ program ft8sim
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close(10)
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close(10)
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write(*,1110) ifile,xdt,f0,snrdb,fname
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write(*,1110) ifile,xdt,f0,snrdb,fname
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1110 format(i4,f7.2,f8.2,f7.1,2x,a17)
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1110 format(i4,f7.2,f8.2,f7.1,2x,a17)
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enddo
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enddo
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999 end program ft8sim2
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999 end program ft8sim
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