Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
@@ -0,0 +1,54 @@
+subroutine softsym(id2,npts8,nsps8,newdat,fpk,syncpk,snrdb,xdt,        &
+     freq,drift,a3,schk,i1SoftSymbols)
+
+! Compute the soft symbols
+
+  use timer_module, only: timer
+
+  parameter (NZ2=1512,NZ3=1360)
+  logical, intent(inout) :: newdat
+  complex c2(0:NZ2-1)
+  complex c3(0:NZ3-1)
+  complex c5(0:NZ3-1)
+  real a(3)
+  integer*1 i1SoftSymbolsScrambled(207)
+  integer*1 i1SoftSymbols(207)
+  include 'jt9sync.f90'
+
+  nspsd=16
+  ndown=nsps8/nspsd
+
+! Mix, low-pass filter, and downsample to 16 samples per symbol
+  call timer('downsam9',0)
+  call downsam9(id2,npts8,nsps8,newdat,nspsd,fpk,c2)
+  call timer('downsam9',1)
+
+  call peakdt9(c2,nsps8,nspsd,c3,xdt)  !Find DT
+
+  fsample=1500.0/ndown
+  a=0.
+  call timer('afc9    ',0)
+  call afc9(c3,nz3,fsample,a,syncpk)  !Find deltaF, fDot, extra DT
+  call timer('afc9    ',1)
+  freq=fpk - a(1)
+  drift=-2.0*a(2)
+!  write(*,3301) fpk,freq,a
+!3301 format(2f9.3,3f10.4)
+  a3=a(3)
+  a(3)=0.
+
+  call timer('twkfreq ',0)
+  call twkfreq(c3,c5,nz3,fsample,a)   !Correct for delta f, f1, f2 ==> a(1:3)
+  call timer('twkfreq ',1)
+
+! Compute soft symbols (in scrambled order)
+  call timer('symspec2',0)
+  call symspec2(c5,nz3,nsps8,nspsd,fsample,freq,drift,snrdb,schk,      &
+       i1SoftSymbolsScrambled)
+  call timer('symspec2',1)
+
+! Remove interleaving
+  call interleave9(i1SoftSymbolsScrambled,-1,i1SoftSymbols)
+
+  return
+end subroutine softsym