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Don't allow divide-by-0 for pathological JT4 signal.

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This commit is contained in:
Joe Taylor 2018-11-12 11:44:55 -05:00
parent e14fbd2fd0
commit 038405bc1e
1 changed files with 3 additions and 1 deletions
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4
lib/sync4.f90
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@ -139,8 +139,10 @@ subroutine sync4(dat,jz,ntol,nfqso,mode,mode4,minwidth,dtx,dfx,snrx, &
ns=ns+1 ns=ns+1
endif endif
enddo enddo
rms=sqrt(sq/ns) rms=0.1
if(ns.gt.0) rms=sqrt(sq/ns)
snrx=10.0*log10(ccfred(ipk1a)/rms) - 41.2 snrx=10.0*log10(ccfred(ipk1a)/rms) - 41.2
if(snrx.gt.50.0) snrx=50.0
900 return 900 return
end subroutine sync4 end subroutine sync4