Reintegrate merge from wsjtx_exp branch.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6122 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2026-07-30 14:04:12 -04:00 · 2015-11-18 01:28:12 +00:00
parent 1be194efdd
commit 1a23757b26
148 changed files with 10084 additions and 1574 deletions
@@ -0,0 +1,77 @@
+subroutine sync65(ss,nfa,nfb,nhsym,ca,ncand,nrobust)
+
+  parameter (NSZ=3413,NFFT=8192,MAXCAND=300)
+  real ss(322,NSZ)
+  real ccfblue(-5:540)             !CCF with pseudorandom sequence
+  real ccfred(NSZ)                 !Peak of ccfblue, as function of freq
+  
+  type candidate
+     real freq
+     real dt
+     real sync
+  end type candidate
+  type(candidate) ca(MAXCAND)
+
+  common/steve/thresh0
+
+  call setup65
+  df=12000.0/NFFT                            !df = 12000.0/16384 = 0.732 Hz
+  ia=max(2,nint(nfa/df))
+  ib=min(NSZ-1,nint(nfb/df))
+  lag1=-5
+  lag2=59
+  nsym=126
+!!  thresh0=5.5
+  ncand=0
+  fdot=0.
+  ccfred=0.
+  ccfblue=0.
+
+  do i=ia,ib
+     call xcor(ss,i,nhsym,nsym,lag1,lag2,ccfblue,ccf0,lagpk0,flip,fdot,nrobust)
+! Remove best-fit slope from ccfblue and normalize so baseline rms=1.0
+     call slope(ccfblue(lag1),lag2-lag1+1,lagpk0-lag1+1.0)
+     ccfred(i)=ccfblue(lagpk0)
+  enddo
+  call pctile(ccfred(ia:ib),ib-ia+1,35,xmed)
+  ccfred(ia:ib)=ccfred(ia:ib)-xmed
+  ccfred(ia-1)=ccfred(ia)
+  ccfred(ib+1)=ccfred(ib)
+
+  do i=ia,ib
+     freq=i*df
+     itry=0
+     if(ccfred(i).gt.thresh0 .and. ccfred(i).gt.ccfred(i-1) .and.       &
+          ccfred(i).gt.ccfred(i+1)) then
+        itry=1
+        ncand=ncand+1
+     endif
+!     write(79,1010) i,freq,ccfred(i),itry,ncand
+!1010 format(i6,2f10.2,i5,i6)
+!     flush(79)
+     if(itry.ne.0) then
+        call xcor(ss,i,nhsym,nsym,lag1,lag2,ccfblue,ccf0,lagpk,flip,fdot,nrobust)
+        call slope(ccfblue(lag1),lag2-lag1+1,lagpk-lag1+1.0)
+        xlag=lagpk
+        if(lagpk.gt.lag1 .and. lagpk.lt.lag2) then
+           call peakup(ccfblue(lagpk-1),ccfmax,ccfblue(lagpk+1),dx2)
+           xlag=lagpk+dx2
+        endif
+        dtx=xlag*2048.0/11025.0
+        ccfblue(lag1)=0.
+        ccfblue(lag2)=0.
+!        open(14,file="/tmp/fort.14",access="append")
+!        do j=lag1,lag2
+!           write(14,1020) j,ccfblue(j)
+!1020       format(i5,f10.3)
+!        enddo
+!        close(14)
+        ca(ncand)%freq=freq
+        ca(ncand)%dt=dtx
+        ca(ncand)%sync=ccfred(i)
+     endif
+     if(ncand.eq.MAXCAND) return
+  enddo
+
+  return
+end subroutine sync65