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Change sync vector from nearly periodic to 2 x Golomb ruler.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2681 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2012-10-22 19:18:24 +00:00
parent 230b284cd1
commit c0f6b365da
8 changed files with 36 additions and 46 deletions
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8
lib/genjt9.f90
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@ -13,13 +13,7 @@ subroutine genjt9(message,msgsent,i4tone)
integer*4 i4DataSymbols(69) !Data symbols (values 0-7)
integer*4 i4GrayCodedSymbols(69) !Gray-coded symbols (values 0-7)
integer*4 i4tone(85) !Tone #s, data and sync (values 0-8)
integer isync(85) !Sync vector
data isync/ &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0, &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1,0, &
0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0, &
0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0, &
1,0,0,0,1/
include 'jt9sync.f90'
save
call packmsg(message,i4Msg6BitWords) !Pack message into 12 6-bit bytes

9
lib/jt9sim.f90
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@ -15,14 +15,7 @@ program jt9sim
integer*1 i1SoftSymbols(207)
integer*1 i1
equivalence (i1,i4)
integer isync(85) !Sync vector
data isync/ &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0, &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1,0, &
0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0, &
0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0, &
1,0,0,0,1/
include 'jt9sync.f90'
common/acom/dat(NMAX),iwave(NMAX)
nargs=iargc()

3
lib/peakdf9.f90
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@ -2,8 +2,7 @@ subroutine peakdf9(c0,npts8,nsps8,istart,foffset,idfpk)
complex c0(0:npts8-1)
complex zsum
integer ii(16) !Locations of sync symbols
data ii/1,6,11,16,21,26,31,39,45,51,57,63,69,75,81,85/
include 'jt9sync.f90'
twopi=8.0*atan(1.0)
df=1500.0/nsps8

3
lib/peakdt9.f90
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@ -2,8 +2,7 @@ subroutine peakdt9(c0,npts8,nsps8,istart,foffset,idtpk)
complex c0(0:npts8-1)
complex zsum
integer ii(16) !Locations of sync symbols
data ii/1,6,11,16,21,26,31,39,45,51,57,63,69,75,81,85/
include 'jt9sync.f90'
twopi=8.0*atan(1.0)
smax=0.

5
lib/redsync.f90
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@ -3,8 +3,7 @@ subroutine redsync(ss,ntrperiod,ihsym,iz,red)
Parameter (NSMAX=22000)
real*4 ss(184,NSMAX)
real*4 red(NSMAX)
integer ii(16) !Locations of sync half-symbols
data ii/1,11,21,31,41,51,61,77,89,101,113,125,137,149,161,169/
include 'jt9sync.f90'
lagmax=9
if(ntrperiod.eq.2) lagmax=5
@ -20,7 +19,7 @@ subroutine redsync(ss,ntrperiod,ihsym,iz,red)
ref=0.
nr=0
do j=1,16
k=ii(j)+lag
k=ii2(j)+lag
if(k.ge.1 .and. k.le.ihsym) then
sig=sig + ss(k,i)
ns=ns+1

27
lib/spec9.f90
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@ -3,21 +3,14 @@ subroutine spec9(c0,npts8,nsps,fpk0,fpk,xdt,i1SoftSymbols)
parameter (MAXFFT=31500)
complex c0(0:npts8-1)
complex c1(0:2700000)
complex c2(0:2700000)
real ssym(0:7,69)
complex c(0:MAXFFT-1)
integer*1 i1SoftSymbolsScrambled(207)
integer*1 i1SoftSymbols(207)
integer isync(85) !Sync vector
data isync/ &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0, &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1,0, &
0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0, &
0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0, &
1,0,0,0,1/
integer ii(16) !Locations of sync symbols
data ii/1,6,11,16,21,26,31,39,45,51,57,63,69,75,81,85/
integer ig(0:7)
data ig/0,1,3,2,7,6,4,5/ !Gray code removal
include 'jt9sync.f90'
save
! Fix up the data in c0()
@ -37,6 +30,22 @@ subroutine spec9(c0,npts8,nsps,fpk0,fpk,xdt,i1SoftSymbols)
c1(i)=fac*cmplx(aimag(c0(i)),real(c0(i)))*cmplx(cos(phi),sin(phi))
enddo
!###
c2(0:npts8-1)=c1(0:npts8-1)
c2(npts8:)=0.
nfft4=256*1024
df4=1500.0/nfft4
call four2a(c2,nfft4,1,-1,1)
rewind 71
do i=0,nfft4/2
freq=i*df4
p=1.e-5*(real(c2(i))**2 + aimag(c2(i))**2)
write(71,3001) freq,p
3001 format(2f15.3)
enddo
call flush(71)
!###
nsps8=nsps/8
foffset=fpk0
istart=1520

25
lib/sync9.f90
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@ -3,16 +3,7 @@ subroutine sync9(ss,tstep,df3,ntol,nfqso,sync,snr,fpk,ccfred)
parameter (NSMAX=22000) !Max length of saved spectra
real ss(184,NSMAX)
real ccfred(NSMAX)
integer ii(16) !Locations of sync half-symbols
data ii/1,11,21,31,41,51,61,77,89,101,113,125,137,149,161,169/
integer isync(85) !Sync vector for half-symbols
data isync/ &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0, &
1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1,0, &
0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0, &
0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0, &
1,0,0,0,1/
include 'jt9sync.f90'
ipk=0
ipkbest=0
@ -35,7 +26,7 @@ subroutine sync9(ss,tstep,df3,ntol,nfqso,sync,snr,fpk,ccfred)
do lag=-lagmax,lagmax
sum=0.
do j=1,16
k=ii(j) + lag
k=ii2(j) + lag
if(k.ge.1) sum=sum + ss(k,i)
enddo
if(sum.gt.smax) then
@ -44,18 +35,18 @@ subroutine sync9(ss,tstep,df3,ntol,nfqso,sync,snr,fpk,ccfred)
lagpk=lag
endif
enddo
ccfred(i)=smax !Best at this freq, over all lags
if(smax.gt.sbest) then
sbest=smax
ipkbest=ipk
! lagpkbest=lagpk
lagpkbest=lagpk
endif
ccfred(i)=smax
enddo
sum=0.
nsum=0
do i=ia,ib
if(abs(i-ipkbest).ge.2) then
if(abs(i-ipkbest).ge.4) then
sum=sum+ccfred(i)
nsum=nsum+1
endif
@ -67,5 +58,11 @@ subroutine sync9(ss,tstep,df3,ntol,nfqso,sync,snr,fpk,ccfred)
if(sync.gt.10.0) sync=10.0
fpk=(ipkbest-1)*df3
do i=1,184
write(72,3007) i,ss(i,684)
3007 format(i3,f12.3)
enddo
call flush(72)
return
end subroutine sync9

2
mainwindow.cpp
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@ -1,4 +1,4 @@
//---------------------------------------------------------------- MainWindow
//--------------------------------------------------------------- MainWindow
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "devsetup.h"