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Make DT search range -1s to +2s.

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This commit is contained in:
Steven Franke 2020-06-24 12:22:22 -05:00
parent 55115a2955
commit 31f98b94b9
1 changed files with 14 additions and 6 deletions
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16
lib/fst280_decode.f90
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@ -158,14 +158,16 @@ contains
do isync=0,1 do isync=0,1
if(isync.eq.0) then if(isync.eq.0) then
fc1=0.0 fc1=0.0
is0=2*nint(fs2) is0=1.5*nint(fs2)
ishw=is0 ishw=1.5*is0
isst=4*hmod isst=4*hmod
ifhw=12 ifhw=12
df=.1*baud df=.1*baud
else if(isync.eq.1) then else if(isync.eq.1) then
fc1=fc28 fc1=fc21
is0=isbest8 if(hmod.eq.1) fc1=fc28
is0=isbest1
if(hmod.eq.1) is0=isbest8
ishw=4*hmod ishw=4*hmod
isst=1*hmod isst=1*hmod
ifhw=7 ifhw=7
@ -408,9 +410,15 @@ contains
nsec=8/ncoh nsec=8/ncoh
do i=1,nsec do i=1,nsec
is=(i-1)*ncoh*nss is=(i-1)*ncoh*nss
z1=0
if(i1+is.ge.1) then
z1=sum(cd0(i1+is:i1+is+ncoh*nss-1)*conjg(csynct(is+1:is+ncoh*nss))) z1=sum(cd0(i1+is:i1+is+ncoh*nss-1)*conjg(csynct(is+1:is+ncoh*nss)))
endif
z2=sum(cd0(i2+is:i2+is+ncoh*nss-1)*conjg(csynct(is+1:is+ncoh*nss))) z2=sum(cd0(i2+is:i2+is+ncoh*nss-1)*conjg(csynct(is+1:is+ncoh*nss)))
z3=0
if(i3+is+ncoh*nss-1.le.np) then
z3=sum(cd0(i3+is:i3+is+ncoh*nss-1)*conjg(csynct(is+1:is+ncoh*nss))) z3=sum(cd0(i3+is:i3+is+ncoh*nss-1)*conjg(csynct(is+1:is+ncoh*nss)))
endif
s1=s1+abs(z1)/(8*nss) s1=s1+abs(z1)/(8*nss)
s2=s2+abs(z2)/(8*nss) s2=s2+abs(z2)/(8*nss)
s3=s3+abs(z3)/(8*nss) s3=s3+abs(z3)/(8*nss)