subroutine spec9(c0,npts8,nsps,fpk,xdt,i1SoftSymbols) parameter (MAXFFT=31500) complex c0(0:npts8-1) real ssym(0:7,69) complex c(0:MAXFFT-1) integer*1 i1SoftSymbolsScrambled(207) integer*1 i1SoftSymbols(207) integer isync(85) !Sync vector data isync/ & 1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1,0,0,0,0, & 1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,1,0, & 0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0, & 0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0, & 1,0,0,0,1/ integer ii(16) !Locations of sync symbols data ii/1,6,11,16,21,26,31,39,45,51,57,63,69,75,81,85/ integer ig(0:7) data ig/0,1,3,2,7,6,4,5/ !Gray code removal save ! Fix up the data in c0() twopi=8.0*atan(1.0) phi=0. dphi=twopi*500.0/1500.0 do i=0,npts8-1 phi=phi+dphi if(phi.gt.twopi) phi=phi-twopi if(phi.lt.-twopi) phi=phi+twopi c0(i)=cmplx(aimag(c0(i)),real(c0(i)))*cmplx(cos(phi),sin(phi)) enddo nsps8=nsps/8 foffset=fpk istart=1520 call peakdf9(c0,npts8,nsps8,istart,foffset,idf) fpk=fpk + idf*0.1*1500.0/nsps8 foffset=foffset + idf*0.1*1500.0/nsps8 call peakdt9(c0,npts8,nsps8,istart,foffset,idt) istart=istart + 0.0625*nsps8*idt xdt=istart/1500.0 - 1.0 ! write(*,3002) 0.0625*nsps8*idt/1500.0,idf*0.1*1500.0/nsps8 !3002 format(2f8.2) fshift=foffset twopi=8.0*atan(1.0) dphi=twopi*fshift/1500.0 nfft=nsps8 nsym=min((npts8-istart)/nsps8,85) k=0 do j=1,nsym if(isync(j).eq.1) cycle k=k+1 ia=(j-1)*nsps8 + istart ib=ia+nsps8-1 c(0:nfft-1)=c0(ia:ib) phi=0. do i=0,nfft-1 phi=phi + dphi c(i)=c(i) * cmplx(cos(phi),-sin(phi)) enddo call four2a(c,nfft,1,-1,1) do i=0,nfft-1 sx=real(c(i))**2 + aimag(c(i))**2 if(i.ge.1 .and. i.le.8) ssym(ig(i-1),k)=sx enddo enddo m0=3 ntones=8 k=0 do j=1,69 do m=m0-1,0,-1 !Get bit-wise soft symbols n=2**m r1=0. r2=0. do i=0,ntones-1 if(iand(i,n).ne.0) then r1=max(r1,ssym(i,j)) else r2=max(r2,ssym(i,j)) endif enddo k=k+1 i1SoftSymbolsScrambled(k)=min(127,max(-127,nint(10.0*(r1-r2)))) + 128 enddo enddo call interleave9(i1SoftSymbolsScrambled,-1,i1SoftSymbols) return end subroutine spec9