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Moved JS8E to 3.125 baud instead of 3 baud.

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This commit is contained in:
Jordan Sherer 2019-12-10 22:24:50 -05:00
parent 699af49718
commit 8e0e94e8bb
4 changed files with 11 additions and 5 deletions
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4
commons.h
View File

@ -14,7 +14,7 @@
#define JS8_ALLOW_EXTENDED 1 // allow extended latin-1 capital charset
#ifdef QT_DEBUG
#define JS8_DEBUG_DECODE 1 // emit debug statements for the decode pipeline
#define JS8_DEBUG_DECODE 0 // emit debug statements for the decode pipeline
#else
#define JS8_DEBUG_DECODE 0
#endif
@ -38,7 +38,7 @@
#define JS8C_TX_SECONDS 6
#define JS8C_START_DELAY_MS 100
#define JS8E_SYMBOL_SAMPLES 4000
#define JS8E_SYMBOL_SAMPLES 3840
#define JS8E_TX_SECONDS 30
#define JS8E_START_DELAY_MS 500

6
lib/js8/js8dec.f90
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@ -466,6 +466,12 @@ subroutine js8dec(dd0,newdat,nQSOProgress,nfqso,nftx,ndepth,lapon,lapcqonly, &
ios=mod(itone(i)+4,7)
xnoi=xnoi+s2(ios,i)**2
enddo
if(NWRITELOG.eq.1) then
write(*,*) '<DecodeDebug> snr', xnoi, xsig, xbase, db(xsig/xbase), db(xsig/xbase - 1.0)
flush(6)
endif
xsnr=0.001
if(xnoi.gt.0 .and. xnoi.lt.xsig) xsnr=xsig/xnoi-1.0
xsnr=10.0*log10(xsnr)-27.0

4
lib/js8/js8e_params.f90
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@ -17,8 +17,8 @@
! parameter (NSPS=960, NTXDUR=8, NDOWNSPS=24, NDD=100, JZ=116) ! 100 Hz 12.50 baud 32 wpm -22.0dB (1.0Eb/N0) 5.92s
! parameter (NSPS=1200, NTXDUR=10, NDOWNSPS=20, NDD=100, JZ=116) ! 80 Hz 10 baud 24 wpm -23.0dB (1.0Eb/N0) 7.90s
! parameter (NSPS=1920, NTXDUR=15, NDOWNSPS=32, NDD=100, JZ=116) ! 50 Hz 6.250 baud 16 wpm -25.0dB (1.0Eb/N0) 12.64s
! parameter (NSPS=3840, NTXDUR=30, NDOWNSPS=32, NDD=94, JZ=116) ! 24 Hz 3.125 baud 8 wpm -28.0dB (1.0Eb/N0) 25.28s
parameter (NSPS=4000, NTXDUR=28, NDOWNSPS=20, NDD=90, JZ=32) ! 24 Hz 3 baud 8 wpm -28.2dB (1.0Eb/N0) 26.33s
parameter (NSPS=3840, NTXDUR=28, NDOWNSPS=32, NDD=90, JZ=32) ! 25 Hz 3.125 baud 8 wpm -28.0dB (1.0Eb/N0) 25.28s
! parameter (NSPS=4000, NTXDUR=28, NDOWNSPS=40, NDD=90, JZ=32) ! 24 Hz 3 baud 8 wpm -28.2dB (1.0Eb/N0) 26.33s
parameter (AZ=12000.0/(1.0*NSPS)*0.8d0) !Dedupe overlap in Hz
parameter (ASTART=0.5) !Start delay in seconds

2
mainwindow.ui
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@ -5769,7 +5769,7 @@ list. The list can be maintained in Settings (F2).</string>
<bool>true</bool>
</property>
<property name="text">
<string>JS8 (&amp;Slow, 30s, 24Hz, ~8 WPM)</string>
<string>JS8 (&amp;Slow, 30s, 25Hz, ~8 WPM)</string>
</property>
</action>
</widget>