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Guard against base=0 when normalizing an snr2 estimate in ccf65().

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This commit is contained in:
Joe Taylor 2021-04-15 13:51:01 -04:00
parent e3f405684f
commit 2ed4ca3aaf
1 changed files with 3 additions and 2 deletions
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5
map65/libm65/ccf65.f90
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@ -113,8 +113,9 @@ subroutine ccf65(ss,nhsym,ssmax,sync1,ipol1,jpz,dt1,flipk, &
tmp1(i)=ss(ipol2,i)
enddo
call pctile(tmp1,nhsym,40,base)
snr2=0.398107*ccfbest2/base !### empirical
syncshort=0.5*ccfbest2/rms - 4.0 !### better normalizer than rms?
snr2=0.01
if(base.gt.0.0) snr2=0.398107*ccfbest2/base !### empirical
syncshort=0.5*ccfbest2/rms - 4.0 !### better normalizer than rms?
dt2=2.5 + lagpk2*(2048.0/11025.0)
return