98 lines
2.1 KiB
Plaintext
98 lines
2.1 KiB
Plaintext
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subroutine fast_decode(id2,narg,ntrperiod,line,mycall_12, &
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hiscall_12)
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parameter (NMAX=30*12000)
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integer*2 id2(NMAX)
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integer*2 id2a(NMAX)
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integer*2 id2b(NMAX)
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integer narg(0:14)
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real dat(30*12000)
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complex cdat(262145),cdat2(262145)
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real psavg(450)
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logical pick,first
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character*6 cfile6
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character*80 line(100)
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character*12 mycall_12,hiscall_12
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character*6 mycall,hiscall
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data first/.true./,nutca/0/,nutcb/0/
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save npts,cdat,cdat2,id2a,id2b,nutca,nutcb
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if(first) then
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id2a=0
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id2b=0
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first=.false.
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endif
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mycall=mycall_12(1:6)
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hiscall=hiscall_12(1:6)
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nutc=narg(0)
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ndat0=narg(1)
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nsubmode=narg(2)
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newdat=narg(3)
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minsync=narg(4)
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npick=narg(5)
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t0=0.001*narg(6)
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t1=0.001*narg(7)
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tmid=0.5*(t0+t1)
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maxlines=narg(8)
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nmode=narg(9)
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nrxfreq=narg(10)
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ntol=narg(11)
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nhashcalls=narg(12)
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line(1:100)(1:1)=char(0)
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if(t0.gt.float(ntrperiod)) go to 900
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if(t0.gt.t1) go to 900
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if(nmode.eq.102) then
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call fast9(id2,narg,line)
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go to 900
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endif
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if(newdat.eq.1) then
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cdat2=cdat
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ndat=ndat0
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call wav11(id2,ndat,dat)
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nzz=11025*ntrperiod
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if(ndat.lt.nzz) dat(ndat+1:nzz)=0.0
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ndat=min(ndat,30*11025)
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call ana932(dat,ndat,cdat,npts) !Make downsampled analytic signal
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endif
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! Now cdat() is the downsampled analytic signal.
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! New sample rate = fsample = BW = 11025 * (9/32) = 3100.78125 Hz
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! NB: npts, nsps, etc., are all reduced by 9/32
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write(cfile6,'(i6.6)') nutc
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nfreeze=1
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mousedf=0
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mousebutton=0
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mode4=1
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if(nsubmode.eq.1) mode4=2
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nafc=0
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ndebug=0
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t2=0.
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ia=1
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ib=npts
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pick=.false.
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if(npick.gt.0) then
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pick=.true.
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dt=1.0/11025.0 * (32.0/9.0)
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ia=t0/dt + 1.
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ib=t1/dt + 1.
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t2=t0
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endif
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jz=ib-ia+1
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line(1:100)(1:1)=char(0)
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if(npick.eq.2) then
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call iscat(cdat2(ia),jz,3,40,t2,pick,cfile6,minsync,ntol,NFreeze, &
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MouseDF,mousebutton,mode4,nafc,ndebug,psavg,nmax,nlines,line)
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else
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call iscat(cdat(ia),jz,3,40,t2,pick,cfile6,minsync,ntol,NFreeze, &
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MouseDF,mousebutton,mode4,nafc,ndebug,psavg,maxlines,nlines,line)
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endif
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900 return
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end subroutine fast_decode
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