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https://github.com/saitohirga/WSJT-X.git
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8b55eb3a28
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/jtms3@2519 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
104 lines
2.7 KiB
Fortran
104 lines
2.7 KiB
Fortran
subroutine rtping(dat,k,cfile6,MinSigdB,MouseDF,ntol)
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!subroutine rtping(dat,jz,nz,MinSigdB,MinWidth,NFreeze,DFTolerance, &
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! MouseDF,istart,pick,cfile6,mycall,hiscall,mode,ps0)
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! Decode Multi-Tone FSK441 mesages.
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parameter (NSMAX=30*48000)
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parameter (NZMAX=NSMAX/2048)
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real dat(NSMAX) !Raw audio data
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logical pick
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character*6 cfile6
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real sig(NZMAX) !Sq-law detected signal, sampled at 43 ms
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real sigdb(NZMAX) !Signal in dB, sampled at 43 ms
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real work(NZMAX)
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real pingdat(3,100)
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! character msg*40,msg3*3
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character*90 line
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common/ccom/nline,tping(100),line(100)
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data nping0/0/
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save
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slim=MinSigdB
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! nf1=-ntol
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! nf2=ntol
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dt=1.0/48000.0
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kstep=2048
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! pick=.false.
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istart=1
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jz=k
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! Find signal power
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j=k/kstep
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sig(j)=dot_product(dat(k-kstep+1:k),dat(k-kstep+1:k))/kstep
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if(j.lt.10) return
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! Remove baseline, compute signal level in dB
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call pctile (sig,work,j,50,base1)
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do i=1,j
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sigdb(i)=db(sig(i)/base1)
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if(j.eq.703) write(13,3001) i,sig(i),sigdb(i)
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3001 format(i5,2e12.3)
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enddo
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dtbuf=kstep*dt
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wmin=0.040
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call ping(sigdb,j,dtbuf,slim,wmin,pingdat,nping)
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! If this is a "mouse pick" and no ping was found, force a pseudo-ping
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! at center of data.
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! if(pick.and.nping.eq.0) then
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! if(nping.le.99) nping=nping+1
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! pingdat(1,nping)=0.5*jz*dt
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! pingdat(2,nping)=0.16
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! pingdat(3,nping)=1.0
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! endif
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do iping=1,nping
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! Find starting place and length of data to be analyzed:
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tstart=pingdat(1,iping)
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width=pingdat(2,iping)
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peak=pingdat(3,iping)
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! mswidth=10*nint(100.0*width)
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jj=(tstart-0.02)/dt
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if(jj.lt.1) jj=1
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jjz=nint((width+0.02)/dt)+1
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jjz=min(jjz,jz+1-jj)
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! Compute average spectrum of this ping.
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! call spec441(dat(jj),jjz,ps,f0)
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! Decode the message.
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! msg=' '
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! call longx(dat(jj),jjz,ps,DFTolerance,noffset,msg,msglen,bauderr)
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! Assemble a signal report:
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nwidth=0
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if(width.ge.0.04) nwidth=1 !These might depend on NSPD
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if(width.ge.0.12) nwidth=2
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if(width.gt.1.00) nwidth=3
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nstrength=6
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if(peak.ge.11.0) nstrength=7
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if(peak.ge.17.0) nstrength=8
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if(peak.ge.23.0) nstrength=9
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! nrpt=10*nwidth + nstrength
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t2=tstart + dt*(istart-1)
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jjzz=min(jjz,2*48000) !Max data size 2 s
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!###
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jjzz=14400
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jj=jj-200
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!###
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if(nping.gt.nping0) then
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print*,'a',jj,jjzz,jj*dt,jjzz*dt,t2,width
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call jtmsk(dat(jj),jjzz,cfile6,t2,mswidth,int(peak),nrpt, &
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nfreeze,DFTolerance,MouseDF,pick)
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nping0=nping
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endif
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enddo
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return
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end subroutine rtping
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