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Enable decoding of FST280 for other T/R sequence lengths. Needs testing!
This commit is contained in:
Joe Taylor
parent
b0a979e3f2
commit
1cebbd2cdd
35
lib/jt9.f90
35
lib/jt9.f90
@ -17,19 +17,20 @@ program jt9
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integer(C_INT) iret
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type(wav_header) wav
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real*4 s(NSMAX)
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real*8 TRperiod
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character c
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character(len=500) optarg, infile
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character wisfile*80
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!### ndepth was defined as 60001. Why???
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integer :: arglen,stat,offset,remain,mode=0,flow=200,fsplit=2700, &
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fhigh=4000,nrxfreq=1500,ntrperiod=1,ndepth=1,nexp_decode=0
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fhigh=4000,nrxfreq=1500,ndepth=1,nexp_decode=0
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logical :: read_files = .true., tx9 = .false., display_help = .false., &
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bLowSidelobes = .false.
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type (option) :: long_options(27) = [ &
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option ('help', .false., 'h', 'Display this help message', ''), &
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option ('shmem',.true.,'s','Use shared memory for sample data','KEY'), &
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option ('tr-period', .true., 'p', 'Tx/Rx period, default MINUTES=1', &
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'MINUTES'), &
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option ('tr-period', .true., 'p', 'Tx/Rx period, default SECONDS=60', &
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'SECONDS'), &
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option ('executable-path', .true., 'e', &
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'Location of subordinate executables (KVASD) default PATH="."', &
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'PATH'), &
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@ -78,6 +79,7 @@ program jt9
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data npatience/1/,nthreads/1/
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nsubmode = 0
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TRperiod=60.d0
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do
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call getopt('hs:e:a:b:r:m:p:d:f:w:t:987654qTL:S:H:c:G:x:g:X:', &
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@ -102,7 +104,7 @@ program jt9
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case ('m')
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read (optarg(:arglen), *) nthreads
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case ('p')
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read (optarg(:arglen), *) ntrperiod
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read (optarg(:arglen), *) TRperiod
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case ('d')
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read (optarg(:arglen), *) ndepth
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case ('f')
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@ -200,29 +202,20 @@ program jt9
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go to 2
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1 nutc=0
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2 nsps=0
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if(ntrperiod.eq.1) then
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if(TRperiod.eq.60.d0) then
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nsps=6912
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shared_data%params%nzhsym=181
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else if(ntrperiod.eq.2) then
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nsps=15360
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shared_data%params%nzhsym=178
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else if(ntrperiod.eq.5) then
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nsps=40960
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shared_data%params%nzhsym=172
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else if(ntrperiod.eq.10) then
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nsps=82944
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shared_data%params%nzhsym=171
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else if(ntrperiod.eq.30) then
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nsps=252000
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shared_data%params%nzhsym=167
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endif
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if(mode.eq.280) then
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nsps=6912
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npts=TRperiod*12000.d0
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endif
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if(nsps.eq.0) stop 'Error: bad TRperiod'
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kstep=nsps/2
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k=0
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nhsym0=-999
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npts=(60*ntrperiod-6)*12000
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if(mode.eq.280) npts=60*ntrperiod*12000
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npts=(TRperiod-6.d0)*12000.d0
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if(iarg .eq. offset + 1) then
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call init_timer (trim(data_dir)//'/timer.out')
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call timer('jt9 ',0)
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@ -246,8 +239,8 @@ program jt9
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ingain=0
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call timer('symspec ',0)
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nminw=1
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call symspec(shared_data,k,ntrperiod,nsps,ingain,bLowSidelobes,nminw,pxdb, &
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s,df3,ihsym,npts8,pxdbmax)
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call symspec(shared_data,k,Tperiod,nsps,ingain, &
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bLowSidelobes,nminw,pxdb,s,df3,ihsym,npts8,pxdbmax)
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call timer('symspec ',1)
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endif
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nhsym0=nhsym
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@ -1,9 +1,9 @@
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subroutine symspec(shared_data,k,ntrperiod,nsps,ingain,bLowSidelobes, &
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subroutine symspec(shared_data,k,TRperiod,nsps,ingain,bLowSidelobes, &
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nminw,pxdb,s,df3,ihsym,npts8,pxdbmax)
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! Input:
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! k pointer to the most recent new data
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! ntrperiod T/R sequence length, minutes
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! TRperiod T/R sequence length, seconds
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! nsps samples per symbol, at 12000 Hz
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! bLowSidelobes true to use windowed FFTs
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! ndiskdat 0/1 to indicate if data from disk
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@ -23,6 +23,7 @@ subroutine symspec(shared_data,k,ntrperiod,nsps,ingain,bLowSidelobes, &
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include 'jt9com.f90'
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type(dec_data) :: shared_data
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real*8 TRperiod
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real*4 w3(MAXFFT3)
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real*4 s(NSMAX)
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real*4 ssum(NSMAX)
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@ -38,7 +39,7 @@ subroutine symspec(shared_data,k,ntrperiod,nsps,ingain,bLowSidelobes, &
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equivalence (xc,cx)
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save
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if(ntrperiod.eq.-999) stop !Silence compiler warning
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if(TRperiod.lt.0.d0) stop !Silence compiler warning
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nfft3=16384 !df=12000.0/16384 = 0.732422
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jstep=nsps/2 !Step size = half-symbol in id2()
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if(k.gt.NMAX) go to 900
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@ -89,7 +89,7 @@
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extern "C" {
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//----------------------------------------------------- C and Fortran routines
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void symspec_(struct dec_data *, int* k, int* ntrperiod, int* nsps, int* ingain,
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void symspec_(struct dec_data *, int* k, double* trperiod, int* nsps, int* ingain,
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bool* bLowSidelobes, int* minw, float* px, float s[], float* df3,
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int* nhsym, int* npts8, float *m_pxmax);
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@ -1373,14 +1373,13 @@ void MainWindow::dataSink(qint64 frames)
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}
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// Get power, spectrum, and ihsym
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int trmin=m_TRperiod/60.0;
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dec_data.params.nfa=m_wideGraph->nStartFreq();
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dec_data.params.nfb=m_wideGraph->Fmax();
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int nsps=m_nsps;
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if(m_bFastMode) nsps=6912;
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int nsmo=m_wideGraph->smoothYellow()-1;
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bool bLowSidelobes=m_config.lowSidelobes();
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symspec_(&dec_data,&k,&trmin,&nsps,&m_inGain,&bLowSidelobes,&nsmo,&m_px,s,
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symspec_(&dec_data,&k,&m_TRperiod,&nsps,&m_inGain,&bLowSidelobes,&nsmo,&m_px,s,
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&m_df3,&m_ihsym,&m_npts8,&m_pxmax);
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if(m_mode=="WSPR") wspr_downsample_(dec_data.d2,&k);
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if(m_ihsym <=0) return;
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