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Estimate rms of ccf2 without using the 2-dimensional ccf().

This commit is contained in:
Joe Taylor 2021-01-30 11:36:43 -05:00
parent 316f41996e
commit 791b39fce5
1 changed files with 3 additions and 13 deletions
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16
lib/qra/q65/q65.f90
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@ -169,19 +169,9 @@ subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
endif
! Estimate rms on ccf baseline
sq=0.
nsq=0
jd=(lag2-lag1)/4
do i=-ia2,ia2
do j=lag1,lag2
if(abs(j-jpk).gt.jd .and. abs(i-ipk).gt.ia/2) then
sq=sq + ccf(i,j)**2
nsq=nsq+1
endif
enddo
enddo
rms=sqrt(sq/nsq)
smax=ccf(ipk,jpk)
call pctile(ccf2(-ia2:ia2),2*ia2+1,40,base)
rms=0.6*base !Empirical constant 0.6
smax=maxval(ccf2)
snr1=smax/rms
ccf2=ccf2/rms
if(snr1.gt.10.0) ccf2=(10.0/snr1)*ccf2