PhaseLockedFilterbank.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// dspsr/Signal/Pulsar/dsp/PhaseLockedFilterbank.h
 
#ifndef __baseband_dsp_PhaseLockedFilterbank_h
#define __baseband_dsp_PhaseLockedFilterbank_h
 
#include "dsp/Transformation.h"
#include "dsp/TimeSeries.h"
#include "dsp/PhaseSeries.h"
#include "dsp/TimeDivide.h"
 
namespace Pulsar {
  class Predictor;
}
 
namespace dsp {
  
 
  class PhaseLockedFilterbank 
    : public Transformation <TimeSeries, PhaseSeries> {
 
  public:
 
    PhaseLockedFilterbank ();
 
    void set_nchan (unsigned nchan);
 
    unsigned get_nchan () const { return nchan; }
 
    void set_nbin (unsigned nbin);
 
    unsigned get_nbin () const { return nbin; }
 
    void set_npol (unsigned npol);
 
    unsigned get_npol () const { return npol; }
 
    bool has_folding_predictor() const { return bin_divider.get_predictor(); }
 
    const Pulsar::Predictor* get_folding_predictor() const
      { return bin_divider.get_predictor(); }
 
    double get_folding_period () const { return bin_divider.get_period(); }
 
    TimeDivide bin_divider;
 
    PhaseSeries* get_result() const { return output; }
 
    void normalize_output ();
 
    void reset ();
 
    void finish ();
 
  protected:
 
    virtual void transformation ();
 
    unsigned nchan;
 
    unsigned nbin;
 
    unsigned npol;
 
    bool built;
 
    void prepare ();
 
    virtual void set_limits (const Observation* input);
 
    uint64_t idat_start;
 
    uint64_t ndat_fold;
 
  };
  
}
 
#endif