WSJT-X/lib/ft8/genft8refsig.f90
2018-06-30 14:56:19 -05:00

24 lines
481 B
Fortran

subroutine genft8refsig(itone,cref,f0)
complex cref(79*1920)
integer itone(79)
! real*8 twopi,phi,dphi,dt,xnsps
real twopi,phi,dphi,dt,xnsps
data twopi/0.d0/
save twopi
if( twopi .lt. 0.1 ) twopi=8.d0*atan(1.d0)
xnsps=1920.d0
dt=1.d0/12000.d0
phi=0.d0
k=1
do i=1,79
dphi=twopi*(f0*dt+itone(i)/xnsps)
do is=1,1920
cref(k)=cmplx(cos(phi),sin(phi))
phi=mod(phi+dphi,twopi)
k=k+1
enddo
enddo
return
end subroutine genft8refsig