WSJT-X/map65/libm65/synctest.f90

74 lines
1.7 KiB
Fortran

program synctest
use wideband2_sync
use timer_module, only: timer
use timer_impl, only: init_timer, fini_timer
parameter (MAX0=1000,MAX_CANDIDATES=20)
real ss(4,322,NFFT),savg(4,NFFT)
real candidate(MAX_CANDIDATES,5) !snr1,f0,xdt0,ipol,flip
integer indx(NFFT)
logical skip
character*8 arg
open(50,file='50.a',form='unformatted',status='old')
call getarg(1,arg)
read (arg,*) iutc
do ifile=1,999
read(50,end=999) nutc,npol,ss(1:npol,:,:),savg(1:npol,:)
if(nutc.eq.iutc) exit
enddo
close(50)
call init_timer('timer.out')
call timer('synctest',0)
print*,nutc,npol
ntone_spacing=1
call timer('wb_sync ',0)
call wb2_sync(ss,savg,ntone_spacing)
call timer('wb_sync ',1)
df3=96000.0/NFFT
ia=nint(7000.0/df3)
ib=nint(89000.0/df3)
iz=ib-ia+1
do i=ia,ib
f0=0.001*i*df3
write(13,1000) f0,sync_dat(i,2:5)
1000 format(3f10.3,2f5.0)
enddo
call timer('indexx ',0)
call indexx(sync_dat(ia:ib,2),iz,indx)
call timer('indexx ',1)
k=0
do i=1,MAX0
j=indx(iz+1-i) + ia - 1
f0=0.001*j*df3
snr1=sync_dat(j,2)
if(snr1.lt.3.0) exit
skip=.false.
do n=1,k
diffhz=1000.0*(f0-candidate(n,2))
if(diffhz.gt.-10.0 .and. diffhz.lt.108.0) skip=.true.
enddo
if(skip) cycle
k=k+1
candidate(k,1)=snr1 !snr1
candidate(k,2)=f0 !f0
candidate(k,3)=sync_dat(j,3) !xdt0
candidate(k,4)=sync_dat(j,4) !ipol
candidate(k,5)=sync_dat(j,5) !flip
write(*,1010) k,candidate(k,1:5)
1010 format(i3,3f10.3,2f6.0)
if(k.ge.MAX_CANDIDATES) exit
enddo
999 call timer('synctest',1)
call timer('synctest',101)
call fini_timer()
end program synctest