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Add variables lapon and napwid to control ap decoding. Reconfigure the logic for AP decoding and ordered-statistics decoding.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7933 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Steven Franke 2017-07-22 03:01:09 +00:00
parent d4c6a4e823
commit bbbcae9233
7 changed files with 21 additions and 15 deletions
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2
commons.h
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@ -38,6 +38,8 @@ extern struct dec_data {
int nsubmode;
bool nagain;
int ndepth;
bool lapon;
int napwid;
int ntxmode;
int nmode;
int minw;

2
lib/decoder.f90
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@ -73,7 +73,7 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
call my_ft8%decode(ft8_decoded,id2,params%nfqso, &
newdat,params%nutc,params%nfa, &
params%nfb,logical(params%nagain), &
params%ndepth,params%nsubmode, &
params%ndepth,logical(params%lapon),params%napwid,params%nsubmode, &
params%mycall,params%hiscall,params%hisgrid)
call timer('decft8 ',1)
go to 800

20
lib/fsk4hf/ft8b.f90
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@ -1,5 +1,5 @@
subroutine ft8b(dd0,newdat,nfqso,ndepth,lsubtract,iaptype,icand,sync0,f1,xdt, &
apsym,nharderrors,dmin,nbadcrc,iap,ipass,iera,message,xsnr)
subroutine ft8b(dd0,newdat,nfqso,ndepth,lapon,napwid,lsubtract,iaptype,icand, &
sync0,f1,xdt,apsym,nharderrors,dmin,nbadcrc,iap,ipass,iera,message,xsnr)
use timer_module, only: timer
include 'ft8_params.f90'
@ -19,11 +19,11 @@ subroutine ft8b(dd0,newdat,nfqso,ndepth,lsubtract,iaptype,icand,sync0,f1,xdt,
complex cd0(3200)
complex ctwk(32)
complex csymb(32)
logical newdat,lsubtract
logical newdat,lsubtract,lapon
data rr73/-1,1,1,1,1,1,1,-1,1,1,-1/
data cq/1,1,1,1,1,-1,1,-1,-1,-1,-1,-1,1,-1,-1,-1,-1,-1,1,1,-1,-1,-1,1,1,-1,-1,1/
max_iterations=30
norder=2
nharderrors=-1
fs2=12000.0/NDOWN
dt2=1.0/fs2
@ -153,8 +153,10 @@ subroutine ft8b(dd0,newdat,nfqso,ndepth,lsubtract,iaptype,icand,sync0,f1,xdt,
llr0=2.0*rxdata/(ss*ss)
llra=2.0*rxdatap/(ss*ss) ! llr's for use with ap
apmag=4.0
! If DxCall exists, only do "MyCall DxCall ???" for candidates within nfqso +/- napwid
nap=0
if(ndepth.eq.3) nap=2
if(lapon.and.(ndepth.eq.3).and.(iaptype.eq.1 .or. (iaptype.eq.2.and.abs(nfqso-f1).le.napwid))) nap=2
if(lapon.and.(ndepth.eq.3).and.iaptype.eq.2.and.abs(nfqso-f1).gt.napwid) nap=1
do iap=0,nap !### Temporary ###
nera=1
@ -235,12 +237,8 @@ subroutine ft8b(dd0,newdat,nfqso,ndepth,lsubtract,iaptype,icand,sync0,f1,xdt,
call timer('bpd174 ',1)
dmin=0.0
if(ndepth.eq.3 .and. nharderrors.lt.0) then
if(iaptype.eq.1) norder=2
if(iaptype.eq.2 .and. abs(nfqso-f1).lt.10.0) then
norder=3
else
norder=1
endif
norder=1
if(abs(nfqso-f1).le.napwid) norder=2 !Decode using norder=2 within napwid of nfqso.
call timer('osd174 ',0)
call osd174(llrap,apmask,norder,decoded,cw,nharderrors,dmin)
call timer('osd174 ',1)

6
lib/ft8_decode.f90
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@ -24,7 +24,7 @@ module ft8_decode
contains
subroutine decode(this,callback,iwave,nfqso,newdat,nutc,nfa, &
nfb,nagain,ndepth,nsubmode,mycall12,hiscall12,hisgrid6)
nfb,nagain,ndepth,lapon,napwid,nsubmode,mycall12,hiscall12,hisgrid6)
! use wavhdr
use timer_module, only: timer
include 'fsk4hf/ft8_params.f90'
@ -35,7 +35,7 @@ contains
real s(NH1,NHSYM)
real candidate(3,200)
real dd(15*12000)
logical, intent(in) :: nagain
logical, intent(in) :: nagain,lapon
logical newdat,lsubtract,ldupe
character*12 mycall12, hiscall12
character*6 hisgrid6
@ -83,7 +83,7 @@ contains
xdt=candidate(2,icand)
nsnr0=min(99,nint(10.0*log10(sync) - 25.5)) !### empirical ###
call timer('ft8b ',0)
call ft8b(dd,newdat,nfqso,ndepth,lsubtract,iaptype,icand,sync,f1, &
call ft8b(dd,newdat,nfqso,ndepth,lapon,napwid,lsubtract,iaptype,icand,sync,f1, &
xdt,apsym,nharderrors,dmin,nbadcrc,iap,ipass,iera,message,xsnr)
nsnr=nint(xsnr)
xdt=xdt-0.5

2
lib/jt9.f90
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@ -262,6 +262,8 @@ program jt9
shared_data%params%kin=64800
shared_data%params%nzhsym=181
shared_data%params%ndepth=ndepth
shared_data%params%lapon=.true.
shared_data%params%napwid=75
shared_data%params%dttol=3.
! shared_data%params%minsync=0 !### TEST ONLY

2
lib/jt9com.f90
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@ -21,6 +21,8 @@
integer(c_int) :: nsubmode
logical(c_bool) :: nagain
integer(c_int) :: ndepth
logical(c_bool) :: lapon
integer(c_int) :: napwid
integer(c_int) :: ntxmode
integer(c_int) :: nmode
integer(c_int) :: minw

2
mainwindow.cpp
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@ -2468,6 +2468,8 @@ void MainWindow::decode() //decode()
dec_data.params.ntxmode=4;
}
if(m_mode=="FT8") dec_data.params.nmode=8;
if(m_mode=="FT8") dec_data.params.lapon=true;
if(m_mode=="FT8") dec_data.params.napwid=50;
dec_data.params.ntrperiod=m_TRperiod;
dec_data.params.nsubmode=m_nSubMode;
if(m_mode=="QRA64") dec_data.params.nsubmode=100 + m_nSubMode;