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Use dd in sync8, in anticipation of multiple detection/decoding passes.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7789 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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@ -10,8 +10,8 @@ subroutine subtractft8(dd,itone,f0,dt)
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use timer_module, only: timer
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parameter (NMAX=15*12000,NFRAME=1920*79)
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parameter (NFFT=NMAX,NFILT=1000)
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real*4 dd(NMAX),dds(NMAX), window(-NFILT/2:NFILT/2)
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parameter (NFFT=NMAX,NFILT=400)
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real*4 dd(NMAX), window(-NFILT/2:NFILT/2)
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complex cref,camp,cfilt,cw
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integer itone(79)
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logical first
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@ -50,17 +50,12 @@ subroutine subtractft8(dd,itone,f0,dt)
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cfilt(1:nfft)=cfilt(1:nfft)*cw(1:nfft)
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call four2a(cfilt,nfft,1,1,1)
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dds=dd
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! Subtract the reconstructed signal
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do i=1,nframe
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j=nstart+i-1
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if(j.ge.1 .and. j.le.NMAX) dd(j)=dd(j)-2*REAL(cfilt(i)*cref(i))
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enddo
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!do i=1,NMAX
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!write(34,*) i,dds(i),dd(i)
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!enddo
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return
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end subroutine subtractft8
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@ -1,4 +1,4 @@
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subroutine sync8(iwave,nfa,nfb,nfqso,s,candidate,ncand)
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subroutine sync8(dd,nfa,nfb,nfqso,s,candidate,ncand)
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include 'ft8_params.f90'
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parameter (JZ=31) !DT up to +/- 2.5 s
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@ -10,7 +10,7 @@ subroutine sync8(iwave,nfa,nfb,nfqso,s,candidate,ncand)
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real red(NH1)
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real candidate0(3,100)
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real candidate(3,100)
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integer*2 iwave(NMAX)
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real dd(NMAX)
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integer jpeak(NH1)
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integer indx(NH1)
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integer ii(1)
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@ -29,7 +29,7 @@ subroutine sync8(iwave,nfa,nfb,nfqso,s,candidate,ncand)
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do j=1,NHSYM
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ia=(j-1)*istep + 1
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ib=ia+NSPS-1
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x(1:NSPS)=fac*iwave(ia:ib)
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x(1:NSPS)=fac*dd(ia:ib)
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x(NSPS+1:)=0.
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call four2a(x,NFFT1,1,-1,0) !r2c FFT
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do i=1,NH1
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@ -43,11 +43,12 @@ contains
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write(datetime,1001) nutc !### TEMPORARY ###
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1001 format("000000_",i6.6)
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dd=iwave
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call timer('sync8 ',0)
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call sync8(iwave,nfa,nfb,nfqso,s,candidate,ncand)
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call sync8(dd,nfa,nfb,nfqso,s,candidate,ncand)
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call timer('sync8 ',1)
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dd=iwave
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syncmin=2.0
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! rewind 51
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do icand=1,ncand
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