mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2024-12-24 19:50:29 -05:00
ebccfbcc81
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7660 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
79 lines
1.8 KiB
Fortran
79 lines
1.8 KiB
Fortran
subroutine msksoftsymw(zz,aa,bb,id,nterms,ierror,rxdata,nhard0,nhardsync0)
|
|
|
|
include 'wsprlf_params.f90'
|
|
|
|
complex zz(NS+ND) !Complex symbol values (intermediate)
|
|
complex z,z0
|
|
real rxdata(ND) !Soft symbols
|
|
real aa(20),bb(20) !Fitted polyco's
|
|
integer id(NS+ND) !NRZ values (+/-1) for Sync and Data
|
|
integer ierror(NS+ND)
|
|
|
|
n=0
|
|
ierror=0
|
|
ierr=0
|
|
jz=(NS+ND+1)/2
|
|
do j=1,jz
|
|
xx=j*2.0/jz - 1.0
|
|
yii=1.
|
|
yqq=0.
|
|
if(nterms.gt.0) then
|
|
yii=aa(1)
|
|
yqq=bb(1)
|
|
do i=2,nterms
|
|
yii=yii + aa(i)*xx**(i-1)
|
|
yqq=yqq + bb(i)*xx**(i-1)
|
|
enddo
|
|
endif
|
|
z0=cmplx(yii,yqq)
|
|
z=zz(j)*conjg(z0)
|
|
p=real(z)
|
|
if(abs(id(j)).eq.2) then
|
|
if(real(z)*id(j).lt.0) then !Sync bit
|
|
nhardsync0=nhardsync0+1
|
|
ierror(j)=2
|
|
endif
|
|
else
|
|
n=n+1 !Data bit
|
|
rxdata(n)=p
|
|
ierr=0
|
|
if(id(j)*p.lt.0) then
|
|
ierr=1
|
|
ierror(j)=1
|
|
endif
|
|
nhard0=nhard0+ierr
|
|
endif
|
|
! write(41,3301) j,id(j),ierror(j),ierr,n,p,p*id(j)
|
|
!3301 format(5i6,2f10.3)
|
|
enddo
|
|
|
|
do j=jz+1,NS+ND
|
|
xx=(j-jz+0.5)*2.0/jz - 1.0
|
|
yii=1.
|
|
yqq=0.
|
|
if(nterms.gt.0) then
|
|
yii=aa(1)
|
|
yqq=bb(1)
|
|
do i=2,nterms
|
|
yii=yii + aa(i)*xx**(i-1)
|
|
yqq=yqq + bb(i)*xx**(i-1)
|
|
enddo
|
|
endif
|
|
z0=cmplx(yii,yqq)
|
|
z=zz(j)*conjg(z0)
|
|
p=aimag(z)
|
|
n=n+1
|
|
if(n.gt.ND) exit
|
|
rxdata(n)=p
|
|
ierr=0
|
|
if(id(j)*p.lt.0) then
|
|
ierr=1
|
|
ierror(j)=1
|
|
endif
|
|
nhard0=nhard0+ierr
|
|
! write(41,3301) j,id(j),ierror(j),ierr,n,p,p*id(j)
|
|
enddo
|
|
|
|
return
|
|
end subroutine msksoftsymw
|