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Allocate and use 2d CCF only within q65_ccf_85().

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This commit is contained in:
Joe Taylor 2021-01-31 11:39:04 -05:00
parent 449fab0687
commit cae3095174
1 changed files with 6 additions and 6 deletions
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10
lib/qra/q65/q65.f90
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@ -61,7 +61,6 @@ subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
logical first,lclearave
real, allocatable :: s1(:,:) !Symbol spectra, 1/8-symbol steps
real, allocatable :: s3(:,:) !Data-symbol energies s3(LL,63)
real, allocatable :: ccf(:,:) !CCF(freq,lag)
real, allocatable :: ccf1(:) !CCF(freq) at fixed lag (red)
real, allocatable :: ccf2(:) !Max CCF(freq) at any lag (orange)
data first/.true./
@ -95,7 +94,6 @@ subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
allocate(s1(iz,jz))
allocate(s3(-64:LL-65,63))
allocate(ccf(-ia2:ia2,-53:214))
allocate(ccf1(-ia2:ia2))
allocate(ccf2(-ia2:ia2))
if(LL.ne.LL0 .or. iz.ne.iz0 .or. jz.ne.jz0 .or. lclearave) then
@ -142,7 +140,7 @@ subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
! Try list decoding via "Deep Likelihood".
call timer('ccf_85 ',0)
! Try to synchronize using all 85 symbols
call q65_ccf_85(s1,iz,jz,nfqso,ia,ia2,ipk,jpk,f0,xdt,imsg_best,ccf,ccf1)
call q65_ccf_85(s1,iz,jz,nfqso,ia,ia2,ipk,jpk,f0,xdt,imsg_best,ccf1)
call timer('ccf_85 ',1)
call timer('list_dec',0)
@ -325,17 +323,18 @@ subroutine q65_dec_q012(s3,LL,snr2,dat4,idec,decoded)
100 return
end subroutine q65_dec_q012
subroutine q65_ccf_85(s1,iz,jz,nfqso,ia,ia2,ipk,jpk,f0,xdt,imsg_best,ccf,ccf1)
subroutine q65_ccf_85(s1,iz,jz,nfqso,ia,ia2,ipk,jpk,f0,xdt,imsg_best,ccf1)
! Attempt synchronization using all 85 symbols, in advance of an
! attempt at q3 decoding. Return ccf1 for the "red sync curve".
real s1(iz,jz)
real ccf(-ia2:ia2,-53:214)
real, allocatable :: ccf(:,:) !CCF(freq,lag)
real ccf1(-ia2:ia2)
integer ijpk(2)
integer itone(85)
allocate(ccf(-ia2:ia2,-53:214))
ipk=0
jpk=0
ccf_best=0.
@ -381,6 +380,7 @@ subroutine q65_ccf_85(s1,iz,jz,nfqso,ia,ia2,ipk,jpk,f0,xdt,imsg_best,ccf,ccf1)
ccf1=ccf(:,jpk)
endif
enddo ! imsg
deallocate(ccf)
return
end subroutine q65_ccf_85