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Fix up SNR calculation so that it reverts to SJF SNR when polyfit SNR is not sane.

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This commit is contained in:
Steve Franke 2018-09-24 19:04:34 -05:00
parent 983193a5d4
commit 591de66a31
1 changed files with 5 additions and 5 deletions
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10
lib/ft8/ft8b_2.f90
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@ -337,12 +337,12 @@ subroutine ft8b_2(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
enddo
xsnr=0.001
if(xnoi.gt.0 .and. xnoi.lt.xsig) xsnr=xsig/xnoi-1.0
if(.not.nagain) then
xbase=10**(xbase/10.0)
arg=xsig/xbase/3.6e6-1.0
if(arg.gt.0.1) xsnr=arg
endif
xsnr=10.0*log10(xsnr)-27.0
xbase=10**(xbase/10.0)
! factor=xnoi/xbase
factor=3.6e6
xsnr2=10*log10(xsig/xbase/factor-1.0)-27.0
! if(.not.nagain) xsnr=xsnr2
if(xsnr .lt. -24.0) xsnr=-24.0
return