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https://github.com/saitohirga/WSJT-X.git
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8c9ed820c8
2. "/A" added to list of optional callsign suffixes. 3. Improved algorithm for measuring error in soundcard sample rates. 4. Optional 5-sec shift of input data, to catch some clock errors. git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/trunk@274 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
53 lines
1.5 KiB
Fortran
53 lines
1.5 KiB
Fortran
subroutine avesp2(dat,jza,nadd,mode,NFreeze,MouseDF,
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+ DFTolerance,fzap)
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real dat(jza)
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integer DFTolerance
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real psa(1024) !Ave ps, flattened and rolled off
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real ref(557) !Ref spectrum, lines excised
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real birdie(557) !Birdie spectrum (ave-ref)
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real variance(557)
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real s2(557,323)
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real fzap(200)
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iz=557 !Compute the 2d spectrum
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df=11025.0/2048.0
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nfft=nadd*1024
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jz=jza/nfft
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do j=1,jz
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k=(j-1)*nfft + 1
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call ps(dat(k),nfft,psa)
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call move(psa,s2(1,j),iz)
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enddo
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C Flatten s2 and get psa, ref, and birdie
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call flatten(s2,557,jz,psa,ref,birdie,variance)
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call zero(fzap,200)
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ia=300/df
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ib=2700/df
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n=0
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fmouse=0.
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if(mode.eq.2) fmouse=1270.46+MouseDF
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if(mode.eq.4) fmouse=1076.66+MouseDF
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do i=ia,ib
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if(birdie(i)-ref(i).gt.3.0) then
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f=i*df
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C Don't zap unless Freeze is OFF or birdie is outside the "Tol" range.
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if(NFreeze.eq.0 .or.
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+ abs(f-fmouse).gt.float(DFTolerance)) then
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if(n.lt.200 .and. variance(i-1).lt.2.5 .and.
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+ variance(i).lt.2.5.and.variance(i+1).lt.2.5) then
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n=n+1
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fzap(n)=f
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endif
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endif
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endif
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enddo
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return
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end
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