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Preparing to add solution for frequendy drift to q65_sync.f90.

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This commit is contained in:
Joe Taylor 2021-01-02 14:21:14 -05:00
parent bc58604d42
commit 04b22ce250
1 changed files with 7 additions and 1 deletions

8
lib/qra/q65/q65_sync.f90
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@ -130,6 +130,7 @@ subroutine q65_sync(nutc,iwave,ntrperiod,mode_q65,codewords,ncw,nsps, &
! Compute 2D ccf using all 85 symbols in the list message
ccf=0.
iia=200.0/df
do lag=lag1,lag2
do k=1,85
j=j0 + NSTEP*(k-1) + 1 + lag
@ -141,6 +142,7 @@ subroutine q65_sync(nutc,iwave,ntrperiod,mode_q65,codewords,ncw,nsps, &
endif
enddo
enddo
ccfmax=maxval(ccf(-ia:ia,:))
if(ccfmax.gt.ccf_best) then
ccf_best=ccfmax
@ -164,7 +166,11 @@ subroutine q65_sync(nutc,iwave,ntrperiod,mode_q65,codewords,ncw,nsps, &
cycle
endif
n=n+1
if(j.ge.1 .and. j.le.jz) s3(-64:LL-65,n)=s1(i1:i2,j)
if(j.ge.1 .and. j.le.jz) then
do i=0,LL
s3(i-64,n)=s1(i+i1,j)
enddo
endif
enddo
nsubmode=0