mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-09-18 11:16:34 -04:00
d3d956b54c
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/map65@2542 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
50 lines
1.5 KiB
Fortran
50 lines
1.5 KiB
Fortran
subroutine s3avg(nsave,mode65,nutc,ndf,xdt,npol,s3,nsum,nkv,decoded)
|
|
|
|
! Save the current synchronized spectra, s3(64,63), for possible
|
|
! decoding of average.
|
|
|
|
real s3(64,63) !Synchronized spectra for 63 symbols
|
|
real s3a(64,63,32) !Saved spectra
|
|
real s3b(64,63) !Average
|
|
integer iutc(32),idf(32),ipol(32)
|
|
real dt(32)
|
|
character*22 decoded
|
|
logical ltext
|
|
save
|
|
|
|
iutc(nsave)=nutc !Save UTC
|
|
idf(nsave)=ndf !Save DF
|
|
ipol(nsave)=npol !Save pol
|
|
dt(nsave)=xdt !Save DT
|
|
s3a(1:64,1:63,nsave)=s3 !Save the spectra
|
|
|
|
write(71,3001) nsave,nutc,ndf,npol,xdt
|
|
3001 format(4i5,f8.1)
|
|
flush(71)
|
|
|
|
s3b=0.
|
|
nsum=0
|
|
idfdiff=100
|
|
dtdiff=0.2
|
|
do i=1,nsave !Accumulate avg spectra
|
|
if(mod(iutc(i),2).ne.mod(nutc,2)) cycle !Use only 1st or 2nd sequence
|
|
if(abs(ndf-idf(i)).gt.idfdiff) cycle !DF must match
|
|
if(abs(xdt-dt(i)).gt.dtdiff) cycle !DT must match
|
|
s3b=s3b + s3a(1:64,1:63,i)
|
|
nsum=nsum+1
|
|
enddo
|
|
|
|
decoded=' '
|
|
if(nsum.ge.2) then !Try decoding the sverage
|
|
nadd=mode65*nsum
|
|
call extract(s3b,nadd,ncount,nhist,decoded,ltext) !Extract the message
|
|
nkv=nsum
|
|
if(ncount.lt.0) then
|
|
nkv=0
|
|
decoded=' '
|
|
endif
|
|
endif
|
|
|
|
return
|
|
end subroutine s3avg
|