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Accumulate the symbol spectra s1() in array s1a().

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This commit is contained in:
Joe Taylor 2021-01-12 13:41:39 -05:00
parent 63beab393b
commit a75037d053
2 changed files with 19 additions and 5 deletions
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1
lib/qra/q65/q65.f90
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@ -12,6 +12,7 @@ module q65
real f0save(MAXAVE)
real xdtsave(MAXAVE)
real snr1save(MAXAVE)
real,allocatable,save :: s1a(:,:) !Cumulative symbol spectra
real,allocatable :: s3save(:,:,:)
real,allocatable :: s3avg(:,:)

23
lib/qra/q65/q65_sync.f90
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@ -60,6 +60,14 @@ subroutine q65_sync(nutc,iwave,ntrperiod,mode_q65,codewords,ncw,nsps, &
allocate(ccf(-ia2:ia2,-53:214))
allocate(ccf1(-ia2:ia2))
allocate(ccf2(-ia2:ia2))
if(LL.ne.LL0 .or. lclearave) then
if(allocated(s1a)) deallocate(s1a)
allocate(s1a(iz,jz))
s1a=0.
navg=0
LL0=LL
endif
s3=0.
if(sync(1).eq.99.0) then !Generate the sync vector
sync=-22.0/63.0 !Sync tone OFF
@ -93,11 +101,13 @@ subroutine q65_sync(nutc,iwave,ntrperiod,mode_q65,codewords,ncw,nsps, &
if(nsps.ge.7200) j0=1.0/dtstep !Nominal start-signal index
if(ncw.lt.1) go to 100
!######################################################################
! Try list decoding via "Deep Likelihood".
call timer('list_dec',0)
! call q65_dec_q3(codewords,ncw,isync,df
ipk=0
jpk=0
ccf_best=0.
@ -190,6 +200,7 @@ subroutine q65_sync(nutc,iwave,ntrperiod,mode_q65,codewords,ncw,nsps, &
go to 100
endif
enddo
irc=-2
dat4=0
@ -256,9 +267,9 @@ subroutine q65_sync(nutc,iwave,ntrperiod,mode_q65,codewords,ncw,nsps, &
n=n+1
if(j.ge.1 .and. j.le.jz) s3(-64:LL-65,n)=s1(i1:i2,j)
enddo
call timer('q65_avg ',0)
call q65_avg(nutc,ntrperiod,LL,nfqso,ntol,lclearave,xdt,f0,snr1,s3)
call timer('q65_avg ',1)
! call timer('q65_avg ',0)
! call q65_avg(nutc,ntrperiod,LL,nfqso,ntol,lclearave,xdt,f0,snr1,s3)
! call timer('q65_avg ',1)
endif
endif
endif
@ -284,12 +295,12 @@ end subroutine q65_sync
subroutine q65_symspec(iwave,nmax,nsps,iz,jz,istep,nsmo,s1)
use q65
integer*2 iwave(0:nmax-1) !Raw data
real s1(iz,jz)
complex, allocatable :: c0(:) !Complex spectrum of symbol
allocate(c0(0:nsps-1))
nfft=nsps
fac=1/32767.0
do j=1,jz !Compute symbol spectra at step size
@ -312,6 +323,8 @@ subroutine q65_symspec(iwave,nmax,nsps,iz,jz,istep,nsmo,s1)
call smo121(s1(1:iz,j),iz)
enddo
enddo
s1a=s1a+s1
navg=navg+1
return
end subroutine q65_symspec