mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-02-03 09:44:24 -05:00
Extend write_ref() to compute freq offset and Doppler spread. Also some minor code cleanup.
This commit is contained in:
Joe Taylor
parent
ff0d31986f
commit
b3882a93c0
@ -196,9 +196,8 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
|
||||
call my_fst240%decode(fst240_decoded,id2,params%nutc, &
|
||||
params%nQSOProgress,params%nfqso,params%nfa,params%nfb, &
|
||||
params%nsubmode,ndepth,params%ntr,params%nexp_decode, &
|
||||
params%ntol,params%nzhsym,params%emedelay, &
|
||||
logical(params%lapcqonly),params%napwid,mycall,hiscall, &
|
||||
params%nfsplit,iwspr)
|
||||
params%ntol,params%emedelay, &
|
||||
logical(params%lapcqonly),mycall,hiscall,params%nfsplit,iwspr)
|
||||
call timer('dec240 ',1)
|
||||
go to 800
|
||||
endif
|
||||
@ -211,9 +210,8 @@ subroutine multimode_decoder(ss,id2,params,nfsample)
|
||||
call my_fst240%decode(fst240_decoded,id2,params%nutc, &
|
||||
params%nQSOProgress,params%nfqso,params%nfa,params%nfb, &
|
||||
params%nsubmode,ndepth,params%ntr,params%nexp_decode, &
|
||||
params%ntol,params%nzhsym,params%emedelay, &
|
||||
logical(params%lapcqonly),params%napwid,mycall,hiscall, &
|
||||
params%nfsplit,iwspr)
|
||||
params%ntol,params%emedelay, &
|
||||
logical(params%lapcqonly),mycall,hiscall,params%nfsplit,iwspr)
|
||||
call timer('dec240 ',1)
|
||||
go to 800
|
||||
endif
|
||||
@ -700,7 +698,7 @@ contains
|
||||
end subroutine ft4_decoded
|
||||
|
||||
subroutine fst240_decoded (this,nutc,sync,nsnr,dt,freq,decoded,nap, &
|
||||
qual,ntrperiod,lwspr)
|
||||
qual,ntrperiod,lwspr,fmid,w50)
|
||||
|
||||
use fst240_decode
|
||||
implicit none
|
||||
@ -716,6 +714,8 @@ contains
|
||||
real, intent(in) :: qual
|
||||
integer, intent(in) :: ntrperiod
|
||||
logical, intent(in) :: lwspr
|
||||
real, intent(in) :: fmid
|
||||
real, intent(in) :: w50
|
||||
|
||||
character*2 annot
|
||||
character*37 decoded0
|
||||
@ -733,8 +733,9 @@ contains
|
||||
write(13,1002) nutc,nint(sync),nsnr,dt,freq,0,decoded0
|
||||
1002 format(i6.6,i4,i5,f6.1,f8.0,i4,3x,a37,' FST240')
|
||||
else
|
||||
write(*,1003) nutc,nsnr,dt,nint(freq),decoded0,annot
|
||||
1003 format(i4.4,i4,f5.1,i5,' ` ',1x,a37,1x,a2)
|
||||
if(fmid.ne.-999.0) write(decoded0(16:21),'(f6.3)') w50
|
||||
write(*,1003) nutc,nsnr,dt,nint(freq),decoded0,annot
|
||||
1003 format(i4.4,i4,f5.1,i5,' ` ',1x,a37,1x,a2,2f7.3)
|
||||
write(13,1004) nutc,nint(sync),nsnr,dt,freq,0,decoded0
|
||||
1004 format(i4.4,i4,i5,f6.1,f8.0,i4,3x,a37,' FST240')
|
||||
endif
|
||||
|
||||
@ -8,7 +8,7 @@ module fst240_decode
|
||||
|
||||
abstract interface
|
||||
subroutine fst240_decode_callback (this,nutc,sync,nsnr,dt,freq, &
|
||||
decoded,nap,qual,ntrperiod,lwspr)
|
||||
decoded,nap,qual,ntrperiod,lwspr,fmid,w50)
|
||||
import fst240_decoder
|
||||
implicit none
|
||||
class(fst240_decoder), intent(inout) :: this
|
||||
@ -22,14 +22,16 @@ module fst240_decode
|
||||
real, intent(in) :: qual
|
||||
integer, intent(in) :: ntrperiod
|
||||
logical, intent(in) :: lwspr
|
||||
real, intent(in) :: fmid
|
||||
real, intent(in) :: w50
|
||||
end subroutine fst240_decode_callback
|
||||
end interface
|
||||
|
||||
contains
|
||||
|
||||
subroutine decode(this,callback,iwave,nutc,nQSOProgress,nfqso, &
|
||||
nfa,nfb,nsubmode,ndepth,ntrperiod,nexp_decode,ntol,nzhsym, &
|
||||
emedelay,lapcqonly,napwid,mycall,hiscall,nfsplit,iwspr)
|
||||
nfa,nfb,nsubmode,ndepth,ntrperiod,nexp_decode,ntol, &
|
||||
emedelay,lapcqonly,mycall,hiscall,nfsplit,iwspr)
|
||||
|
||||
use timer_module, only: timer
|
||||
use packjt77
|
||||
@ -548,9 +550,10 @@ contains
|
||||
call get_fst240_tones_from_bits(message74,itone,1)
|
||||
endif
|
||||
inquire(file='plotspec',exist=ex)
|
||||
fmid=-999.0
|
||||
if(ex) then
|
||||
call write_ref(itone,iwave,nsps,nmax,ndown,hmod, &
|
||||
isbest,fc_synced)
|
||||
isbest,fc_synced,fmid,w50)
|
||||
endif
|
||||
xsig=0
|
||||
do i=1,NN
|
||||
@ -572,7 +575,7 @@ contains
|
||||
! nutc,icand,itry,nsyncoh,iaptype,ijitter,ntype,nsync_qual,nharderrors,dmin,sync,xsnr,xdt,fsig,msg
|
||||
! flush(21)
|
||||
call this%callback(nutc,smax1,nsnr,xdt,fsig,msg, &
|
||||
iaptype,qual,ntrperiod,lwspr)
|
||||
iaptype,qual,ntrperiod,lwspr,fmid,w50)
|
||||
goto 2002
|
||||
endif
|
||||
enddo ! metrics
|
||||
@ -807,9 +810,10 @@ contains
|
||||
return
|
||||
end subroutine get_candidates_fst240
|
||||
|
||||
subroutine write_ref(itone,iwave,nsps,nmax,ndown,hmod,i0,fc)
|
||||
subroutine write_ref(itone,iwave,nsps,nmax,ndown,hmod,i0,fc,fmid,w50)
|
||||
complex cwave(nmax)
|
||||
complex, allocatable :: c(:)
|
||||
real,allocatable :: ss(:)
|
||||
integer itone(160)
|
||||
integer*2 iwave(nmax)
|
||||
integer hmod
|
||||
@ -817,10 +821,11 @@ contains
|
||||
save ncall
|
||||
|
||||
ncall=ncall+1
|
||||
allocate( c(0:nmax-1) )
|
||||
allocate(c(0:nmax-1))
|
||||
wave=0
|
||||
fsample=12000.0
|
||||
nsym=160
|
||||
|
||||
call gen_fst240wave(itone,nsym,nsps,nmax,fsample,hmod,fc, &
|
||||
1,cwave,wave)
|
||||
cwave=cshift(cwave,-i0*ndown)
|
||||
@ -832,26 +837,60 @@ contains
|
||||
fac=1.0/32768
|
||||
c=fac*float(iwave)*conjg(cwave)
|
||||
call four2a(c,nmax,1,-1,1) !Forward c2c FFT
|
||||
|
||||
df=12000.0/nmax
|
||||
ia=-10.1/df
|
||||
ib=10.1/df
|
||||
ia=1.0/df
|
||||
smax=0.
|
||||
do i=ia,ib
|
||||
do i=-ia,ia
|
||||
j=i
|
||||
if(j.lt.0) j=i+nmax
|
||||
s=real(c(j))**2 + aimag(c(j))**2
|
||||
smax=max(s,smax)
|
||||
enddo
|
||||
do i=ia,ib
|
||||
ia=10.1/df
|
||||
allocate(ss(-ia:ia))
|
||||
sum1=0.
|
||||
sum2=0.
|
||||
ns=0
|
||||
do i=-ia,ia
|
||||
j=i
|
||||
if(j.lt.0) j=i+nmax
|
||||
s=(real(c(j))**2 + aimag(c(j))**2)/smax
|
||||
s=s + ncall-1
|
||||
ss(i)=(real(c(j))**2 + aimag(c(j))**2)/smax
|
||||
f=i*df
|
||||
write(52,1010) f,s,db(s)
|
||||
1010 format(f12.6,f12.6,f10.3)
|
||||
if(f.ge.-4.0 .and. f.le.-2.0) then
|
||||
sum1=sum1 + ss(i)
|
||||
ns=ns+1
|
||||
else if(f.ge.2.0 .and. f.le.4.0) then
|
||||
sum2=sum2 + ss(i)
|
||||
endif
|
||||
enddo
|
||||
! close(52)
|
||||
avg=min(sum1/ns,sum2/ns)
|
||||
|
||||
sum1=0.
|
||||
do i=-ia,ia
|
||||
f=i*df
|
||||
if(abs(f).le.1.0) sum1=sum1 + ss(i)-avg
|
||||
y=0.99*ss(i) + ncall-1
|
||||
write(52,1010) f,y
|
||||
1010 format(f12.6,f12.6)
|
||||
enddo
|
||||
|
||||
ia=nint(1.0/df)
|
||||
sum2=0.0
|
||||
i1=-999
|
||||
i2=-999
|
||||
i3=-999
|
||||
do i=-ia,ia
|
||||
sum2=sum2 + ss(i)-avg
|
||||
if(sum2.ge.0.25*sum1 .and. i1.eq.-999) i1=i
|
||||
if(sum2.ge.0.50*sum1 .and. i2.eq.-999) i2=i
|
||||
if(sum2.ge.0.75*sum1) then
|
||||
i3=i
|
||||
exit
|
||||
endif
|
||||
enddo
|
||||
fmid=i2*df
|
||||
w50=(i3-i1+1)*df
|
||||
|
||||
return
|
||||
end subroutine write_ref
|
||||
|
||||
Loading…
Reference in New Issue
Block a user