mirror of https://github.com/saitohirga/WSJT-X.git
48 lines
1.1 KiB
Fortran
48 lines
1.1 KiB
Fortran
subroutine decode9a(c0,npts8,nsps8,fpk,syncpk,snrdb,xdt,freq,drift, &
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i1SoftSymbols)
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complex c0(0:npts8-1)
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complex c2(0:4096-1)
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complex c3(0:4096-1)
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complex c5(0:4096-1)
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complex z
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real a(3),aa(3)
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integer*1 i1SoftSymbolsScrambled(207)
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integer*1 i1SoftSymbols(207)
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character*22 msg
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include 'jt9sync.f90'
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nspsd=16
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ndown=nsps8/nspsd
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! Downsample to 16 samples/symbol
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call downsam9(c0,npts8,nsps8,nspsd,fpk,c2,nz2)
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call peakdt9(c2,nz2,nsps8,nspsd,c3,nz3,xdt)
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fsample=1500.0/ndown
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a=0.
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call afc9(c3,nz3,fsample,a,syncpk)
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call twkfreq(c3,c5,nz3,fsample,a)
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call symspec2(c5,nz3,nsps8,nspsd,fsample,snrdb,i1SoftSymbolsScrambled)
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call interleave9(i1SoftSymbolsScrambled,-1,i1SoftSymbols)
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! limit=10000
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! call decode9(i1SoftSymbols,limit,nlim,msg)
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!###
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! do j=1,85
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! write(71,2101) j,nint(1.e-3*ss2(0:8,j))
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!2101 format(i2,2x,9i6)
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! enddo
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freq=fpk - a(1)
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drift=-2.0*a(2)
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! write(*,1100) nutc,nsync,nsnr,xdt,freq,a(2),msg
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!1100 format(i4.4,i5,i5,f6.1,f9.2,f8.2,2x,a22)
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return
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end subroutine decode9a
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