chris/js8call
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed array alignment in decoder

Browse Source
This commit is contained in:
Jordan Sherer 2019-11-28 21:56:38 -05:00
parent f332177034
commit cfeed7fc87
3 changed files with 17 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/decoder.f90
View File

@ -31,6 +31,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
logical baddata,newdat65,newdat9,single_decode,bVHF,bad0,newdat,trydecode
integer*2 id0(NTMAX*12000)
integer*2 id2(NTMAX*12000)
integer pos,sz
type(params_block) :: params
character(len=20) :: datetime
character(len=12) :: mycall, hiscall
@ -85,7 +86,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
sz = max(0,params%kszE)
id0=0
id0(1:sz+1)=id2(pos+1:pos+sz+1)
call my_js8e%decode(js8e_decoded,id0,params%nQSOProgress,params%nfqso, &
params%nftx,newdat,params%nutc,params%nfa,params%nfb, &
params%nexp_decode,params%ndepth,logical(params%nagain), &

32
lib/js8/syncjs8.f90
View File

@ -1,13 +1,10 @@
subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
!include 'js8_params.f90'
complex cx(0:NH1)
real s(NH1,NHSYM)
real savg(NH1)
real sbase(NH1)
real x(NFFT1)
real sync2d(NH1,-JZ:JZ)
real sync1d(-JZ:JZ)
real red(NH1)
real candidate0(3,200)
real candidate(3,200)
@ -29,7 +26,7 @@ subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
icos7c = (/2,5,0,6,4,1,3/) !End Costas 7x7 tone pattern
endif
! Compute symbol spectra, stepping by NSTEP steps.
! Compute symbol spectra, stepping by NSTEP steps.
savg=0.
tstep=NSTEP/12000.0
df=12000.0/NFFT1
@ -45,6 +42,7 @@ subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
enddo
savg=savg + s(1:NH1,j) !Average spectrum
enddo
call baselinejs8(savg,nfa,nfb,sbase)
ia=max(1,nint(nfa/df)) ! min freq
@ -106,17 +104,13 @@ subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
t0=(t0-t)/6.0
sync_bc=t/t0
!sync2d(i,j)=max(max(max(sync_abc, sync_ab), sync_ac), sync_bc)
sync2d(i,j)=max(sync_abc, sync_ab, sync_bc)
sync1d(j)=max(sync_abc, sync_ab, sync_bc)
enddo
enddo
red=0.
do i=ia,ib
ii=maxloc(sync2d(i,-JZ:JZ)) - 1 - JZ
ii=maxloc(sync1d(-JZ:JZ)) - 1 - JZ
j0=ii(1)
jpeak(i)=j0
red(i)=sync2d(i,j0)
red(i)=sync1d(j0)
enddo
iz=ib-ia+1
@ -145,8 +139,7 @@ subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
enddo
ncand=k
! Save only the best of near-dupe freqs.
! Save only the best of near-dupe freqs.
do i=1,ncand
if(i.ge.2) then
do j=1,i-1
@ -159,7 +152,7 @@ subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
endif
enddo
! Put nfqso at top of list
! Put nfqso at top of list
do i=1,ncand
if(abs(candidate0(1,i)-nfqso).lt.10.0) candidate0(1,i)=-candidate0(1,i)
enddo
@ -167,15 +160,13 @@ subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
fac=20.0/maxval(s)
s=fac*s
! Sort by sync
! call indexx(candidate0(3,1:ncand),ncand,indx)
! Sort by frequency
! Sort by sync
! call indexx(candidate0(3,1:ncand),ncand,indx)
! Sort by frequency
call indexx(candidate0(1,1:ncand),ncand,indx)
k=1
! do i=ncand,1,-1
do i=1,ncand
j=indx(i)
! if( candidate0(3,j) .ge. syncmin .and. candidate0(2,j).ge.-1.5 ) then
if( candidate0(3,j) .ge. syncmin ) then
candidate(1,k)=abs(candidate0(1,j))
candidate(2,k)=candidate0(2,j)
@ -184,5 +175,6 @@ subroutine syncjs8(dd,nfa,nfb,syncmin,nfqso,s,candidate,ncand,sbase)
endif
enddo
ncand=k-1
return
end subroutine syncjs8

3
lib/js8e_decode.f90
View File

@ -43,11 +43,13 @@ contains
character*6 mygrid6,hisgrid6
integer*2 iwave(NMAX)
integer apsym(KK)
integer ncand
character datetime*13,message*22,msg37*37
character*22 allmessages(100)
integer allsnrs(100)
save s,dd
ncand=0
bcontest=iand(nexp_decode,128).ne.0
this%callback => callback
write(datetime,1001) nutc !### TEMPORARY ###
@ -115,6 +117,7 @@ contains
lapcqonly,napwid,lsubtract,nagain,iaptype,mycall12,mygrid6, &
hiscall12,bcontest,sync,f1,xdt,xbase,apsym,nharderrors,dmin, &
nbadcrc,iappass,iera,msg37,xsnr)
message=msg37(1:22) !###
nsnr=nint(xsnr)
xdt=xdt-ASTART