mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-08-11 01:02:27 -04:00
9cfadf6ccb
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7704 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
27 lines
481 B
Fortran
27 lines
481 B
Fortran
subroutine makepings(pings,npts,width,sig)
|
|
|
|
real pings(npts)
|
|
real*8 t
|
|
real t0(14)
|
|
|
|
iping0=-999
|
|
dt=1.0/12000.0
|
|
do i=1,14
|
|
t0(i)=i !Make pings at t=1, 2, ... 14 s.
|
|
enddo
|
|
amp=sig
|
|
|
|
do i=1,npts
|
|
iping=min(max(1,i/12000),14)
|
|
t=(i*dt-t0(iping))/width
|
|
if(t.lt.0.d0 .and. t.lt.10.0) then !????
|
|
fac=0.
|
|
else
|
|
fac=2.718*t*dexp(-t)
|
|
endif
|
|
pings(i)=fac*amp
|
|
enddo
|
|
|
|
return
|
|
end subroutine makepings
|