2012-05-22 13:09:48 -04:00
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program m65
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! Decoder for map65. Can run stand-alone, reading data from *.tf2 files;
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! or as the back end of map65, with data placed in a shared memory region.
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parameter (NSMAX=60*96000)
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parameter (NFFT=32768)
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integer*2 i2(4,87)
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real*8 hsym
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real*4 ssz5a(NFFT)
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logical*1 lstrong(0:1023)
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common/tracer/limtrace,lu
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real*8 fc0,fcenter
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character*80 arg,infile
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character mycall*12,hiscall*12,mygrid*6,hisgrid*6,datetime*20
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common/datcom/dd(4,5760000),ss(4,322,NFFT),savg(4,NFFT),fc0,nutc0,junk(34)
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common/npar/fcenter,nutc,idphi,mousedf,mousefqso,nagain, &
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ndepth,ndiskdat,neme,newdat,nfa,nfb,nfcal,nfshift, &
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mcall3,nkeep,ntol,nxant,nrxlog,nfsample,nxpol,mode65, &
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mycall,mygrid,hiscall,hisgrid,datetime
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nargs=iargc()
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if(nargs.lt.1) then
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print*,'Usage: m65 [95238] file1 [file2 ...]'
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print*,' Reads data from *.tf2 files.'
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print*,''
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print*,' m65 -s'
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print*,' Gets data from shared memory region.'
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go to 999
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endif
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call getarg(1,arg)
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if(arg(1:2).eq.'-s') then
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call m65a
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call ftnquit
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go to 999
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endif
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nfsample=96000
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nxpol=1
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mode65=2
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ifile1=1
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if(arg.eq.'95238') then
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nfsample=95238
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call getarg(2,arg)
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ifile1=2
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endif
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limtrace=0
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lu=12
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nfa=100
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nfb=162
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nfshift=6
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ndepth=2
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nfcal=344
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idphi=-50
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ntol=500
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nkeep=10
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call ftninit('.')
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do ifile=ifile1,nargs
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call getarg(ifile,infile)
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open(10,file=infile,access='stream',status='old',err=998)
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i1=index(infile,'.tf2')
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read(infile(i1-4:i1-1),*,err=1) nutc0
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go to 2
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1 nutc0=0
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2 hsym=2048.d0*96000.d0/11025.d0 !Samples per half symbol
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nhsym0=-999
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k=0
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fcenter=144.125d0
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mousedf=0
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mousefqso=125
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newdat=1
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mycall='K1JT'
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if(ifile.eq.ifile1) call timer('m65 ',0)
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do irec=1,9999999
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call timer('read_tf2',0)
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read(10) i2
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call timer('read_tf2',1)
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call timer('float ',0)
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do i=1,87
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k=k+1
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dd(1,k)=i2(1,i)
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dd(2,k)=i2(2,i)
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dd(3,k)=i2(3,i)
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dd(4,k)=i2(4,i)
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enddo
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call timer('float ',1)
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nhsym=(k-2048)/hsym
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if(nhsym.ge.1 .and. nhsym.ne.nhsym0) then
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ndiskdat=1
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nb=0
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! Emit signal readyForFFT
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call timer('symspec ',0)
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fgreen=-13.0
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iqadjust=1
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iqapply=1
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nbslider=100
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gainx=0.9962
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gainy=1.0265
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phasex=0.01426
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phasey=-0.01195
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call symspec(k,nxpol,ndiskdat,nb,nbslider,idphi,nfsample,fgreen, &
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iqadjust,iqapply,gainx,gainy,phasex,phasey,rejectx,rejecty, &
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pxdb,pydb,ssz5a,nkhz,ihsym,nzap,slimit,lstrong)
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call timer('symspec ',1)
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nhsym0=nhsym
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if(ihsym.ge.278) go to 10
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endif
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enddo
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10 continue
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if(iqadjust.ne.0) write(*,3002) rejectx,rejecty
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3002 format('Image rejection:',2f7.1,' dB')
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nutc=nutc0
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nstandalone=1
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call decode0(dd,ss,savg,nstandalone,nfsample)
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enddo
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call timer('m65 ',1)
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call timer('m65 ',101)
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call ftnquit
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go to 999
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998 print*,'Cannot open file:'
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print*,infile
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999 end program m65
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