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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@334 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
78 lines
1.8 KiB
Fortran
78 lines
1.8 KiB
Fortran
subroutine afc65(s2,ipk,lagpk,flip,ftrack)
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real s2(1024,320)
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real s(-10:10)
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real x(63),y(63),z(63)
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real ftrack(126)
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include 'prcom.h'
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data s/21*0.0/
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k=0
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u=1.0
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u1=0.2
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fac=sqrt(1.0/u1)
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do j=1,126
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if(pr(j)*flip .lt. 0.0) go to 10
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k=k+1
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m=2*j-1+lagpk
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if(m.lt.1 .or. m.gt.320) go to 10
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smax=0.
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do i=-10,10
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s(i)=(1.0-u)*s(i) + u*s2(ipk+i,m)
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if(s(i).gt.smax) then
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smax=s(i)
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ipk2=i
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endif
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enddo
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u=u1
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dfx=0.0
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sig=100.0*fac*smax
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if(ipk2.gt.-10 .and. ipk2.lt.10 .and. (sig.gt.2.0))
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+ call peakup(s(ipk2-1),s(ipk2),s(ipk2+1),dfx)
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dfx=ipk2+dfx
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x(k)=j
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y(k)=dfx
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z(k)=sig
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if(z(k).lt.1.5 .or. abs(y(k)).gt.5.5) then
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y(k)=0.
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z(k)=0.
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endif
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10 enddo
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zlim=5.0
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yfit=0.
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k=0
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do j=1,126
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if(pr(j)*flip .lt. 0.0) go to 30
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k=k+1
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sumy=0.
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sumz=0.
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if(k.ge.1) then
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sumz=z(k)
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sumy=sumy+z(k)*y(k)
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endif
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do n=1,30
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m=k-n
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if(m.ge.1) then
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sumz=sumz+z(m)
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sumy=sumy+z(m)*y(m)
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endif
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m=k+n
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if(m.le.63) then
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sumz=sumz+z(m)
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sumy=sumy+z(m)*y(m)
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endif
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if(sumz.ge.zlim) go to 20
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enddo
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n=30
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20 yfit=0.
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if(sumz.gt.0.0) yfit=sumy/sumz
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30 ftrack(j)=yfit*2.691650
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enddo
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if(ftrack(1).eq.99.0) ftrack(1)=ftrack(2)
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return
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end
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