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7369062c4a
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2635 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
48 lines
1.2 KiB
Fortran
48 lines
1.2 KiB
Fortran
subroutine sync9(ss,tstep,f0a,df3,lagpk,fpk)
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parameter (NSMAX=22000) !Max length of saved spectra
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real ss(184,NSMAX)
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integer ii0(16)
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integer ii(16) !Locations of sync half-symbols
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data ii/1,11,21,31,41,51,61,77,89,101,113,125,137,149,161,169/
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integer isync(85) !Sync vector for half-symbols
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data isync/ &
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1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0, &
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1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1,0, &
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0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0, &
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0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0, &
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1,0,0,0,1/
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nz=1000.0/df3
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smax=0.
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lagmax=2.5/tstep + 0.9999
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do n=1,nz
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do lag=-lagmax,lagmax
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sum=0.
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do i=1,16
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k=ii(i) + lag
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if(k.ge.1) sum=sum + ss(k,n)
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enddo
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if(sum.gt.smax) then
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smax=sum
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npk=n
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lagpk=lag
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endif
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enddo
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enddo
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fpk=f0a + (npk-1)*df3
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do lag=-lagmax,lagmax
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sum=0.
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do i=1,16
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k=ii(i) + lag
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if(k.ge.1) sum=sum + ss(k,npk)
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enddo
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enddo
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return
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end subroutine sync9
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