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Increase the Q65 minimum snr1 from 2.5 to 2.8.

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This commit is contained in:
Joe Taylor 2020-11-03 10:36:19 -05:00
parent 1b541082fd
commit 2c51c97b14
2 changed files with 6 additions and 7 deletions
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4
lib/q65_decode.f90
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@ -96,7 +96,7 @@ contains
call timer('sync_q65',1)
irc=-1
if(snr1.lt.2.5) go to 100
if(snr1.lt.2.8) go to 100
jpk0=(xdt+1.0)*6000 !### Is this OK?
if(ntrperiod.le.30) jpk0=(xdt+0.5)*6000 !###
if(jpk0.lt.0) jpk0=0
@ -128,7 +128,7 @@ contains
endif
call timer('q65loops',0)
call q65_loops(c00,npts/2,nsps/2,nmode,mode65,nsubmode,nFadingModel, &
ndepth,jpk0,xdt,f0,width,ipass,apmask,apsymbols,snr2,irc,dat4)
ndepth,jpk0,xdt,f0,width,ipass,apmask,apsymbols,snr1,snr2,irc,dat4)
call timer('q65loops',1)
snr2=snr2 + db(6912.0/nsps)
if(irc.ge.0) exit

9
lib/qra/q65/q65_loops.f90
View File

@ -1,5 +1,5 @@
subroutine q65_loops(c00,npts2,nsps,mode,mode64,nsubmode,nFadingModel, &
ndepth,jpk0,xdt,f0,width,ipass,APmask,APsymbols,snr2,irc,dat4)
ndepth,jpk0,xdt,f0,width,ipass,APmask,APsymbols,snr1,snr2,irc,dat4)
use packjt77
use timer_module, only: timer
@ -105,14 +105,13 @@ subroutine q65_loops(c00,npts2,nsps,mode,mode64,nsubmode,nFadingModel, &
snr2=esnodb - db(2500.0/baud)
if(iavg.eq.0) navg=0
!### For tests only:
open(53,file='fort.53',status='unknown',position='append')
open(53,file='fort.53',status='unknown')
write(c77,1100) dat4
1100 format(12b6.6,b5.5)
call unpack77(c77,0,decoded,unpk77_success) !Unpack to get msgsent
write(53,3053) ndf,ndt,nbw,b90,xdt,f0,snr2,ndist,irc,ipass,navg, &
trim(decoded)
3053 format(3i5,f7.1,f7.2,2f7.1,4i4,2x,a)
close(53)
snr1,trim(decoded)
3053 format(3i4,f6.1,f6.2,f7.1,f6.1,4i4,f7.2,1x,a)
!###
nsave=0
s3avg=0.