Merged master 8748

This commit is contained in:
Jordan Sherer
2018-08-05 11:33:30 -04:00
parent 8f8772f1bd
commit 62899069bf
1095 changed files with 31298 additions and 367679 deletions
@@ -1,41 +0,0 @@
// -*- Mode: C++ -*-
#ifndef DISPLAYTEXT_H
#define DISPLAYTEXT_H
#include <QTextEdit>
#include <QFont>
#include "logbook/logbook.h"
#include "decodedtext.h"
class DisplayText
: public QTextEdit
{
Q_OBJECT
public:
explicit DisplayText(QWidget *parent = 0);
void setContentFont (QFont const&);
void insertLineSpacer(QString const&);
void displayDecodedText(DecodedText decodedText, QString myCall, bool displayDXCCEntity,
LogBook logBook, QColor color_CQ, QColor color_MyCall,
QColor color_DXCC, QColor color_NewCall);
void displayTransmittedText(QString text, QString modeTx, qint32 txFreq,
QColor color_TxMsg, bool bFastMode);
void displayQSY(QString text);
Q_SIGNAL void selectCallsign (bool alt, bool ctrl);
Q_SLOT void appendText (QString const& text, QColor bg = Qt::white);
protected:
void mouseDoubleClickEvent(QMouseEvent *e);
private:
QString appendDXCCWorkedB4(QString message, QString const& callsign, QColor * bg, LogBook logBook,
QColor color_CQ, QColor color_DXCC, QColor color_NewCall);
QFont char_font_;
};
#endif // DISPLAYTEXT_H
@@ -1,100 +0,0 @@
program ft8sim
! Generate simulated data for a 15-second HF/6m mode using 8-FSK.
! Output is saved to a *.wav file.
use wavhdr
include 'ft8_params.f90' !Set various constants
type(hdr) h !Header for .wav file
character arg*12,fname*17
character msg*22,msgsent*22
complex c0(0:NMAX-1)
complex c(0:NMAX-1)
integer itone(NN)
integer*2 iwave(NMAX) !Generated full-length waveform
! Get command-line argument(s)
nargs=iargc()
if(nargs.ne.6) then
print*,'Usage: ft8sim "message" DT fdop del nfiles snr'
print*,'Example: ft8sim "K1ABC W9XYZ EN37" 0.0 0.1 1.0 10 -18'
go to 999
endif
call getarg(1,msg) !Message to be transmitted
call getarg(2,arg)
read(arg,*) xdt !Time offset from nominal (s)
call getarg(3,arg)
read(arg,*) fspread !Watterson frequency spread (Hz)
call getarg(4,arg)
read(arg,*) delay !Watterson delay (ms)
call getarg(5,arg)
read(arg,*) nfiles !Number of files
call getarg(6,arg)
read(arg,*) snrdb !SNR_2500
twopi=8.0*atan(1.0)
fs=12000.0 !Sample rate (Hz)
dt=1.0/fs !Sample interval (s)
tt=NSPS*dt !Duration of symbols (s)
baud=1.0/tt !Keying rate (baud)
bw=8*baud !Occupied bandwidth (Hz)
txt=NZ*dt !Transmission length (s)
bandwidth_ratio=2500.0/(fs/2.0)
sig=sqrt(2*bandwidth_ratio) * 10.0**(0.05*snrdb)
if(snrdb.gt.90.0) sig=1.0
txt=NN*NSPS/12000.0
call genft8(msg,msgsent,itone) !Source-encode, then get itone()
write(*,1000) f0,xdt,txt,snrdb,bw,msgsent
1000 format('f0:',f9.3,' DT:',f6.2,' TxT:',f6.1,' SNR:',f6.1, &
' BW:',f4.1,2x,a22)
! call sgran()
c=0.
do ifile=1,nfiles
c0=0.
do isig=1,25
f0=(isig+2)*100.0
phi=0.0
k=-1 + nint(xdt/dt)
do j=1,NN !Generate complex waveform
dphi=twopi*(f0+itone(j)*baud)*dt
if(k.eq.0) phi=-dphi
do i=1,NSPS
k=k+1
phi=phi+dphi
if(phi.gt.twopi) phi=phi-twopi
xphi=phi
if(k.ge.0 .and. k.lt.NMAX) c0(k)=cmplx(cos(xphi),sin(xphi))
enddo
enddo
if(fspread.ne.0.0 .or. delay.ne.0.0) call watterson(c,NZ,fs,delay,fspread)
c=c+c0
enddo
c=c*sig
if(snrdb.lt.90) then
do i=0,NZ-1 !Add gaussian noise at specified SNR
xnoise=gran()
ynoise=gran()
c(i)=c(i) + cmplx(xnoise,ynoise)
enddo
endif
fac=32767.0
rms=100.0
if(snrdb.ge.90.0) iwave(1:NMAX)=nint(fac*real(c))
if(snrdb.lt.90.0) iwave(1:NMAX)=nint(rms*real(c))
iwave(NZ+1:)=0
h=default_header(12000,NMAX)
write(fname,1102) ifile
1102 format('000000_',i6.6,'.wav')
open(10,file=fname,status='unknown',access='stream')
write(10) h,iwave !Save to *.wav file
close(10)
write(*,1110) ifile,xdt,f0,snrdb,fname
1110 format(i4,f7.2,f8.2,f7.1,2x,a17)
enddo
999 end program ft8sim
@@ -0,0 +1,524 @@
module jt65_decode
integer, parameter :: NSZ=3413, NZMAX=60*12000
type :: jt65_decoder
procedure(jt65_decode_callback), pointer :: callback => null()
contains
procedure :: decode
end type jt65_decoder
! Callback function to be called with each decode
abstract interface
subroutine jt65_decode_callback(this,sync,snr,dt,freq,drift, &
nflip,width,decoded,ft,qual,nsmo,nsum,minsync)
import jt65_decoder
implicit none
class(jt65_decoder), intent(inout) :: this
real, intent(in) :: sync
integer, intent(in) :: snr
real, intent(in) :: dt
integer, intent(in) :: freq
integer, intent(in) :: drift
integer, intent(in) :: nflip
real, intent(in) :: width
character(len=22), intent(in) :: decoded
integer, intent(in) :: ft
integer, intent(in) :: qual
integer, intent(in) :: nsmo
integer, intent(in) :: nsum
integer, intent(in) :: minsync
end subroutine jt65_decode_callback
end interface
contains
subroutine decode(this,callback,dd0,npts,newdat,nutc,nf1,nf2,nfqso, &
ntol,nsubmode,minsync,nagain,n2pass,nrobust,ntrials,naggressive, &
ndepth,emedelay,clearave,mycall,hiscall,hisgrid,nexp_decode, &
nQSOProgress,ljt65apon)
! Process dd0() data to find and decode JT65 signals.
use jt65_mod
use timer_module, only: timer
include 'constants.f90'
class(jt65_decoder), intent(inout) :: this
procedure(jt65_decode_callback) :: callback
real, intent(in) :: dd0(NZMAX),emedelay
integer, intent(in) :: npts, nutc, nf1, nf2, nfqso, ntol &
, nsubmode, minsync, n2pass, ntrials, naggressive, ndepth &
, nexp_decode, nQSOProgress
logical, intent(in) :: newdat, nagain, nrobust, clearave, ljt65apon
character(len=12), intent(in) :: mycall, hiscall
character(len=6), intent(in) :: hisgrid
real dd(NZMAX)
real ss(552,NSZ)
real savg(NSZ)
real a(5)
character*22 decoded,decoded0,avemsg,deepave
type candidate
real freq
real dt
real sync
real flip
end type candidate
type(candidate) ca(300)
type accepted_decode
real freq
real dt
real sync
character*22 decoded
end type accepted_decode
type(accepted_decode) dec(50)
logical :: first_time,prtavg,single_decode,bVHF
integer h0(0:11),d0(0:11)
real r0(0:11)
common/decstats/ntry65a,ntry65b,n65a,n65b,num9,numfano
common/steve/thresh0
common/sync/ss
! 0 1 2 3 4 5 6 7 8 9 10 11
data h0/41,42,43,43,44,45,46,47,48,48,49,49/
data d0/71,72,73,74,76,77,78,80,81,82,83,83/
! 0 1 2 3 4 5 6 7 8 9 10 11
data r0/0.70,0.72,0.74,0.76,0.78,0.80,0.82,0.84,0.86,0.88,0.90,0.90/
data nutc0/-999/,nfreq0/-999/,nsave/0/
save
this%callback => callback
first_time=newdat
dd=dd0
ndecoded=0
if(nsubmode.ge.100) then
! This is QRA64 mode
mode64=2**(nsubmode-100)
!###
! open(60,file='qra64_data.bin',access='stream',position='append')
! write(60) dd,npts,nutc,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth, &
! mycall,hiscall,hisgrid
! close(60)
!###
call qra64a(dd,npts,nutc,nf1,nf2,nfqso,ntol,mode64,minsync,ndepth, &
emedelay,mycall,hiscall,hisgrid,sync,nsnr,dtx,nfreq,decoded,nft)
if (associated(this%callback)) then
ndrift=0
nflip=1
width=1.0
nsmo=0
nqual=0
call this%callback(sync,nsnr,dtx,nfreq,ndrift, &
nflip,width,decoded,nft,nqual,nsmo,1,minsync)
end if
go to 900
endif
single_decode=iand(nexp_decode,32).ne.0 .or. nagain
bVHF=iand(nexp_decode,64).ne.0
if( bVHF ) then
nvec=ntrials
npass=1
if(n2pass.gt.1) npass=2
else
nvec=1000
if(ndepth.eq.1) then
npass=2
nvec=100
elseif(ndepth.eq.2) then
npass=2
nvec=1000
else
npass=4
nvec=1000
endif
endif
do ipass=1,npass
first_time=.true.
if(ipass.eq.1) then !First-pass parameters
thresh0=2.5
nsubtract=1
nrob=0
elseif( ipass.eq.2 ) then !Second-pass parameters
thresh0=2.0
nsubtract=1
nrob=0
elseif( ipass.eq.3 ) then
thresh0=2.0
nsubtract=1
nrob=0
elseif( ipass.eq.4 ) then
thresh0=2.0
nsubtract=0
nrob=1
endif
if(npass.eq.1) then
nsubtract=0
thresh0=2.0
endif
call timer('symsp65 ',0)
ss=0.
call symspec65(dd,npts,nqsym,savg) !Get normalized symbol spectra
call timer('symsp65 ',1)
nfa=nf1
nfb=nf2
!### Q: should either of the next two uses of "single_decode" be "bVHF" instead?
if(single_decode .or. (bVHF .and. ntol.lt.1000)) then
nfa=max(200,nfqso-ntol)
nfb=min(4000,nfqso+ntol)
thresh0=1.0
endif
df=12000.0/8192.0 !df = 1.465 Hz
if(bVHF) then
ia=max(1,nint(nfa/df)-ntol)
ib=min(NSZ,nint(nfb/df)+ntol)
nz=ib-ia+1
call lorentzian(savg(ia),nz,a)
baseline=a(1)
amp=a(2)
f0=(a(3)+ia-1)*df
width=a(4)*df
endif
ncand=0
call timer('sync65 ',0)
call sync65(nfa,nfb,naggressive,ntol,nqsym,ca,ncand,nrob,bVHF)
call timer('sync65 ',1)
! If a candidate was found within +/- ntol of nfqso, move it into ca(1).
call fqso_first(nfqso,ntol,ca,ncand)
if(single_decode) then
if(ncand.eq.0) ncand=1
if(abs(ca(1)%freq - f0).gt.width) width=2*df !### ??? ###
endif
mode65=2**nsubmode
nflip=1
nqd=0
decoded=' '
decoded0=""
freq0=0.
prtavg=.false.
if(.not.nagain) nsum=0
if(clearave) then
nsum=0
nsave=0
endif
if(bVHF) then
! Be sure to search for shorthand message at nfqso +/- ntol
if(ncand.lt.300) ncand=ncand+1
ca(ncand)%sync=5.0
ca(ncand)%dt=2.5
ca(ncand)%freq=nfqso
endif
do icand=1,ncand
sync1=ca(icand)%sync
dtx=ca(icand)%dt
freq=ca(icand)%freq
if(bVHF) then
flip=ca(icand)%flip
nflip=flip
endif
if(sync1.lt.float(minsync)) nflip=0
if(ipass.eq.1) ntry65a=ntry65a + 1
if(ipass.eq.2) ntry65b=ntry65b + 1
call timer('decod65a',0)
nft=0
nspecial=0
call decode65a(dd,npts,first_time,nqd,freq,nflip,mode65,nvec, &
naggressive,ndepth,ntol,mycall,hiscall,hisgrid,nQSOProgress, &
ljt65apon,nexp_decode,bVHF,sync2,a,dtx,nft,nspecial,qual, &
nhist,nsmo,decoded)
if(nspecial.eq.2) decoded='RO'
if(nspecial.eq.3) decoded='RRR'
if(nspecial.eq.4) decoded='73'
call timer('decod65a',1)
if(sync1.lt.float(minsync) .and. &
decoded.eq.' ') nflip=0
if(nft.ne.0) nsum=1
nhard_min=param(1)
nrtt1000=param(4)
ntotal_min=param(5)
nsmo=param(9)
nfreq=nint(freq+a(1))
ndrift=nint(2.0*a(2))
if(bVHF) then
xtmp=10**((sync1+16.0)/10.0) ! sync comes to us in dB
s2db=1.1*db(xtmp)+1.4*(dB(width)-4.3)-52.0
! s2db=sync1 - 30.0 + db(width/3.3) !### VHF/UHF/microwave
if(nspecial.gt.0) s2db=sync2
else
s2db=10.0*log10(sync2) - 35 !### Empirical (HF)
endif
nsnr=nint(s2db)
if(nsnr.lt.-30) nsnr=-30
if(nsnr.gt.-1) nsnr=-1
nftt=0
!********* DOES THIS STILL WORK WHEN NFT INCLUDES # OF AP SYMBOLS USED??
if(nft.ne.1 .and. iand(ndepth,16).eq.16 .and. (.not.prtavg)) then
! Single-sequence FT decode failed, so try for an average FT decode.
if(nutc.ne.nutc0 .or. abs(nfreq-nfreq0).gt.ntol) then
! This is a new minute or a new frequency, so call avg65.
nutc0=nutc
nfreq0=nfreq
nsave=nsave+1
nsave=mod(nsave-1,64)+1
call avg65(nutc,nsave,sync1,dtx,nflip,nfreq,mode65,ntol, &
ndepth,nagain,ntrials,naggressive,clearave,neme,mycall, &
hiscall,hisgrid,nftt,avemsg,qave,deepave,nsum,ndeepave, &
nQSOProgress,ljt65apon)
nsmo=param(9)
nqave=qave
if (associated(this%callback) .and. nsum.ge.2) then
call this%callback(sync1,nsnr,dtx-1.0,nfreq,ndrift, &
nflip,width,avemsg,nftt,nqave,nsmo,nsum,minsync)
prtavg=.true.
end if
endif
endif
if(nftt.eq.1) then
! nft=1
decoded=avemsg
go to 5
endif
n=naggressive
rtt=0.001*nrtt1000
if(nft.lt.2 .and. minsync.ge.0 .and. nspecial.eq.0) then
if(nhard_min.gt.50) cycle
if(nhard_min.gt.h0(n)) cycle
if(ntotal_min.gt.d0(n)) cycle
if(rtt.gt.r0(n)) cycle
endif
5 continue
if(decoded.eq.decoded0 .and. abs(freq-freq0).lt. 3.0 .and. &
minsync.ge.0) cycle !Don't display dupes
if(decoded.ne.' ' .or. minsync.lt.0) then
if(nsubtract.eq.1) then
call timer('subtr65 ',0)
call subtract65(dd,npts,freq,dtx)
call timer('subtr65 ',1)
endif
ndupe=0 ! de-dedupe
do i=1, ndecoded
if(decoded==dec(i)%decoded) then
ndupe=1
exit
endif
enddo
if(ndupe.ne.1 .and. sync1.ge.float(minsync)) then
if(ipass.eq.1) n65a=n65a + 1
if(ipass.eq.2) n65b=n65b + 1
if(ndecoded.lt.50) ndecoded=ndecoded+1
dec(ndecoded)%freq=freq+a(1)
dec(ndecoded)%dt=dtx
dec(ndecoded)%sync=sync2
dec(ndecoded)%decoded=decoded
nqual=min(qual,9999.0)
if (associated(this%callback)) then
call this%callback(sync1,nsnr,dtx-1.0,nfreq,ndrift, &
nflip,width,decoded,nft,nqual,nsmo,1,minsync)
end if
endif
decoded0=decoded
freq0=freq
if(decoded0.eq.' ') decoded0='*'
endif
enddo !Candidate loop
if(ipass.eq.2 .and. ndecoded.lt.1) exit
enddo !Multiple-pass loop
900 return
end subroutine decode
subroutine avg65(nutc,nsave,snrsync,dtxx,nflip,nfreq,mode65,ntol,ndepth, &
nagain, ntrials,naggressive,clearave,neme,mycall,hiscall,hisgrid,nftt, &
avemsg,qave,deepave,nsum,ndeepave,nQSOProgress,ljt65apon)
! Decodes averaged JT65 data
use jt65_mod
parameter (MAXAVE=64)
character*22 avemsg,deepave,deepbest
character mycall*12,hiscall*12,hisgrid*6
character*1 csync,cused(64)
logical nagain
integer iused(64)
! Accumulated data for message averaging
integer iutc(MAXAVE)
integer nfsave(MAXAVE)
integer nflipsave(MAXAVE)
real s1b(-255:256,126)
real s1save(-255:256,126,MAXAVE)
real s2(66,126)
real s3save(64,63,MAXAVE)
real s3b(64,63)
real s3c(64,63)
real dtsave(MAXAVE)
real syncsave(MAXAVE)
logical first,clearave,ljt65apon
data first/.true./
save
if(first .or. clearave) then
iutc=-1
nfsave=0
dtdiff=0.2
first=.false.
s3save=0.
s1save=0.
nsave=1 !### ???
! Silence compiler warnings
if(nagain .and. ndeepave.eq.-99 .and. neme.eq.-99) stop
endif
do i=1,64
if(iutc(i).lt.0) exit
if(nutc.eq.iutc(i) .and. abs(nfreq-nfsave(i)).le.ntol) go to 10
enddo
! Save data for message averaging
iutc(nsave)=nutc
syncsave(nsave)=snrsync
dtsave(nsave)=dtxx
nfsave(nsave)=nfreq
nflipsave(nsave)=nflip
s1save(-255:256,1:126,nsave)=s1
s3save(1:64,1:63,nsave)=s3a
10 syncsum=0.
dtsum=0.
nfsum=0
nsum=0
s1b=0.
s3b=0.
s3c=0.
do i=1,MAXAVE !Consider all saved spectra
cused(i)='.'
if(iutc(i).lt.0) cycle
if(mod(iutc(i),2).ne.mod(nutc,2)) cycle !Use only same (odd/even) seq
if(abs(dtxx-dtsave(i)).gt.dtdiff) cycle !DT must match
if(abs(nfreq-nfsave(i)).gt.ntol) cycle !Freq must match
if(nflip.ne.nflipsave(i)) cycle !Sync type (*/#) must match
s3b=s3b + s3save(1:64,1:63,i)
s1b=s1b + s1save(-255:256,1:126,i)
syncsum=syncsum + syncsave(i)
dtsum=dtsum + dtsave(i)
nfsum=nfsum + nfsave(i)
cused(i)='$'
nsum=nsum+1
iused(nsum)=i
enddo
if(nsum.lt.64) iused(nsum+1)=0
syncave=0.
dtave=0.
fave=0.
if(nsum.gt.0) then
syncave=syncsum/nsum
dtave=dtsum/nsum
fave=float(nfsum)/nsum
endif
do i=1,nsave
csync='*'
if(nflipsave(i).lt.0.0) csync='#'
write(14,1000) cused(i),iutc(i),syncsave(i),dtsave(i)-1.0,nfsave(i),csync
1000 format(a1,i5.4,f6.1,f6.2,i6,1x,a1)
enddo
if(nsum.lt.2) go to 900
nftt=0
df=1378.125/512.0
! Do the smoothing loop
qualbest=0.
minsmo=0
maxsmo=0
if(mode65.ge.2) then
minsmo=nint(width/df)
maxsmo=2*minsmo
endif
nn=0
do ismo=minsmo,maxsmo
if(ismo.gt.0) then
do j=1,126
call smo121(s1b(-255,j),512)
if(j.eq.1) nn=nn+1
if(nn.ge.4) then
call smo121(s1b(-255,j),512)
if(j.eq.1) nn=nn+1
endif
enddo
endif
do i=1,66
jj=i
if(mode65.eq.2) jj=2*i-1
if(mode65.eq.4) then
ff=4*(i-1)*df - 355.297852
jj=nint(ff/df)+1
endif
s2(i,1:126)=s1b(jj,1:126)
enddo
do j=1,63
k=mdat(j) !Points to data symbol
if(nflip.lt.0) k=mdat2(j)
do i=1,64
s3c(i,j)=4.e-5*s2(i+2,k)
enddo
enddo
nadd=nsum*ismo
call extract(s3c,nadd,mode65,ntrials,naggressive,ndepth,nflip,mycall, &
hiscall,hisgrid,nQSOProgress,ljt65apon,nexp_decode,ncount,nhist, &
avemsg,ltext,nftt,qual)
if(nftt.eq.1) then
nsmo=ismo
param(9)=nsmo
go to 900
else if(nftt.eq.2) then
if(qual.gt.qualbest) then
deepbest=avemsg
qualbest=qual
nnbest=nn
nsmobest=ismo
nfttbest=nftt
endif
endif
enddo
if(nfttbest.eq.2) then
avemsg=deepbest !### ???
deepave=deepbest
qave=qualbest
nsmo=nsmobest
param(9)=nsmo
nftt=nfttbest
endif
900 continue
return
end subroutine avg65
end module jt65_decode