mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-11-03 00:51:13 -04:00
2c17544f3f
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/WSJT/trunk@1 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
78 lines
1.7 KiB
Fortran
78 lines
1.7 KiB
Fortran
subroutine afc65(s2,ipk,lagpk,flip,ftrack)
|
|
|
|
real s2(1024,320)
|
|
real s(-10:10)
|
|
real x(63),y(63),z(63)
|
|
real ftrack(126)
|
|
include 'prcom.h'
|
|
data s/21*0.0/
|
|
|
|
k=0
|
|
u=1.0
|
|
u1=0.2
|
|
fac=sqrt(1.0/u1)
|
|
do j=1,126
|
|
if(pr(j)*flip .lt. 0.0) go to 10
|
|
k=k+1
|
|
m=2*j-1+lagpk
|
|
if(m.lt.1 .or. m.gt.320) go to 10
|
|
smax=0.
|
|
do i=-10,10
|
|
s(i)=(1.0-u)*s(i) + u*s2(ipk+i,m)
|
|
if(s(i).gt.smax) then
|
|
smax=s(i)
|
|
ipk2=i
|
|
endif
|
|
enddo
|
|
u=u1
|
|
dfx=0.0
|
|
sig=100.0*fac*smax
|
|
if(ipk2.gt.-10 .and. ipk2.lt.10 .and. (sig.gt.2.0))
|
|
+ call peakup(s(ipk2-1),s(ipk2),s(ipk2+1),dfx)
|
|
dfx=ipk2+dfx
|
|
x(k)=j
|
|
y(k)=dfx
|
|
z(k)=sig
|
|
if(z(k).lt.1.5 .or. abs(y(k)).gt.5.5) then
|
|
y(k)=0.
|
|
z(k)=0.
|
|
endif
|
|
10 enddo
|
|
|
|
zlim=5.0
|
|
yfit=0.
|
|
k=0
|
|
do j=1,126
|
|
if(pr(j)*flip .lt. 0.0) go to 30
|
|
k=k+1
|
|
sumy=0.
|
|
sumz=0.
|
|
if(k.ge.1) then
|
|
sumz=z(k)
|
|
sumy=sumy+z(k)*y(k)
|
|
endif
|
|
do n=1,30
|
|
m=k-n
|
|
if(m.ge.1) then
|
|
sumz=sumz+z(m)
|
|
sumy=sumy+z(m)*y(m)
|
|
endif
|
|
m=k+n
|
|
if(m.le.63) then
|
|
sumz=sumz+z(m)
|
|
sumy=sumy+z(m)*y(m)
|
|
endif
|
|
if(sumz.ge.zlim) go to 20
|
|
enddo
|
|
n=30
|
|
20 yfit=0.
|
|
if(sumz.gt.0.0) yfit=sumy/sumz
|
|
|
|
30 ftrack(j)=yfit*2.691650
|
|
enddo
|
|
if(ftrack(1).eq.99.0) ftrack(1)=ftrack(2)
|
|
|
|
return
|
|
end
|
|
|