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WSJT-X
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Some more work on code comparisons. 

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6454 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Steven Franke 2016-02-01 03:01:04 +00:00
parent 541168cb15
commit 35fd23c392
1 changed files with 5 additions and 4 deletions
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9
lib/JTMSKfer.f90
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@ -33,9 +33,10 @@ program JTMSKfer
bias=0.0
scale=20.0
xln2=log(2.0)
mettab=0
do i=128,156
x0=log(max(0.0001,2.0*xp(i-127)))/xln2
x1=log(max(0.001,2.0*(1.0-xp(i-127))))/xln2
x0=log(max(0.001,2.0*xp(i-127)))/xln2
x1=log(max(0.001,2.0*(1-xp(i-127))))/xln2
mettab(i,0)=nint(scale*(x0-bias))
mettab(i,1)=nint(scale*(x1-bias))
mettab(256-i,0)=mettab(i,1)
@ -48,7 +49,7 @@ program JTMSKfer
mettab(256-i,1)=mettab(i,0)
enddo
rdscale=2.0 ! empirically optimized
rdscale=2.0
ntrials=1000000
rate=72.0/198.0
msg="123"
@ -67,7 +68,7 @@ program JTMSKfer
! call sgran()
do idb=0,11
do idb=6,11
db=idb/2.0-0.5 ! Eb/N0=1/(2*R*sigma^2), so sigma= sqrt( 1/(2*R*Eb/N0) )
sigma=1/sqrt( 2*rate*(10**(db/10.0)) )