mirror of https://github.com/saitohirga/WSJT-X.git
51 lines
1018 B
Fortran
51 lines
1018 B
Fortran
subroutine s2shape(s2,nchan,nz,tbest)
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C Prepare s2(nchan,nz) for plotting as waterfall.
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real s2(nchan,nz)
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common/fcom/s(3100),indx(3100)
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C Find average of active spectral region, over the whole file.
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sum=0.
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do i=1,44
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do j=1,nz/4
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k=indx(j)
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sum=sum+s2(i+8,k)
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enddo
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enddo
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ave=sum/(44*nz)
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C Subtract the average and normalize.
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do i=1,64
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do j=1,nz
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s2(i,j)=s2(i,j)/ave - 1.0
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enddo
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enddo
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nzz=nz
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nxmax=500 !Was 494, then 385
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if(nz.lt.nxmax) go to 900
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! fac=float(nz)/nxmax
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! nadd=fac + 0.999999
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! nzz=nxmax
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nadd=3
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nzz=nz/3
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do i=1,64
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do k=1,nzz
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sum=0.
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! j=(k-1)*fac
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j=(k-1)*nadd
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do n=1,nadd
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sum=sum+s2(i,j+n)
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enddo
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s2(i,k)=sum/nadd
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enddo
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enddo
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900 s2(1,1)=nzz
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s2(2,1)=tbest
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return
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end
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