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Code cleanup, looking toward possible implementation of -120F and -300F submodes.

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This commit is contained in:
Joe Taylor 2021-01-27 13:19:39 -05:00
parent 29a2737cf7
commit 4e27b009f0
2 changed files with 8 additions and 22 deletions
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28
lib/qra/q65/q65.f90
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@ -186,11 +186,11 @@ subroutine q65_dec0(iavg,nutc,iwave,ntrperiod,nfqso,ntol,ndepth,lclearave, &
if(snr1.gt.10.0) ccf2=(10.0/snr1)*ccf2
if(idec.le.0) then
! The q3 decode attempt failed. Copy synchronied symbol spectra from s1
! The q3 decode attempt failed. Copy synchronied symbol energies from s1
! into s3 and prepare to try a more general decode.
ccf1=ccf(:,jpk)/rms
if(snr1.gt.10.0) ccf1=(10.0/snr1)*ccf1
call q65_s1_to_s3(s1,iz,jz,ipk,jpk,LL,mode_q65,sync,s3)
call q65_s1_to_s3(s1,iz,jz,ipk,jpk,LL,mode_q65,sync,1,s3)
endif
smax=maxval(ccf1)
@ -272,35 +272,21 @@ end subroutine q65_symspec
subroutine q65_dec_q3(s1,iz,jz,s3,LL,ipk,jpk,snr2,dat4,idec,decoded)
! Copy synchronized symbol spectra from s1 into s3, then attempt a q3 decode.
! Copy synchronized symbol energies from s1 into s3, then attempt a q3 decode.
character*37 decoded
integer dat4(13)
real s1(iz,jz)
real s3(-64:LL-65,63)
i1=i0+ipk-64
i2=i1+LL-1
j=j0+jpk-7
n=0
do k=1,85
j=j+8
if(sync(k).gt.0.0) then
cycle
endif
n=n+1
if(j.ge.1 .and. j.le.jz) then
do i=0,LL-1
s3(i-64,n)=s1(i+i1,j) !Copy from s1 into s3
enddo
endif
enddo
call q65_s1_to_s3(s1,iz,jz,ipk,jpk,LL,mode_q65,sync,0,s3)
nsubmode=0
if(mode_q65.eq.2) nsubmode=1
if(mode_q65.eq.4) nsubmode=2
if(mode_q65.eq.8) nsubmode=3
if(mode_q65.eq.16) nsubmode=4
if(mode_q65.eq.32) nsubmode=5
baud=12000.0/nsps
do ibw=ibwa,ibwb
@ -516,7 +502,7 @@ subroutine q65_dec2(s3,nsubmode,b90ts,esnodb,irc,dat4,decoded)
return
end subroutine q65_dec2
subroutine q65_s1_to_s3(s1,iz,jz,ipk,jpk,LL,mode_q65,sync,s3)
subroutine q65_s1_to_s3(s1,iz,jz,ipk,jpk,LL,mode_q65,sync,itone0,s3)
! Copy synchronized symbol energies from s1 (or s1a) into s3.
@ -524,7 +510,7 @@ subroutine q65_s1_to_s3(s1,iz,jz,ipk,jpk,LL,mode_q65,sync,s3)
real s3(-64:LL-65,63)
real sync(85) !sync vector
i1=i0+ipk-64 + mode_q65
i1=i0+ipk-64 + mode_q65*itone0
i2=i1+LL-1
if(i1.ge.1 .and. i2.le.iz) then
j=j0+jpk-7

2
lib/qra/q65/q65_loops.f90
View File

@ -6,7 +6,7 @@ subroutine q65_loops(c00,npts2,nsps2,nsubmode,ndepth,jpk0, &
use q65
parameter (NN=63)
parameter (LN=1152*63) !LN=LL*NN; LL=64*(mode_q65+2), NN=63
parameter (LN=2176*63) !LN=LL*NN; LL=64*(mode_q65+2), NN=63
complex c00(0:npts2-1) !Analytic representation of dd(), 6000 Hz
complex ,allocatable :: c0(:) !Ditto, with freq shift
character decoded*37