WireCell::SigProc::LfFilter Class Reference

#include <LfFilter.h>

Inheritance diagram for WireCell::SigProc::LfFilter:

Public Member Functions
	LfFilter (double max_freq=1 *units::megahertz, double tau=0.02 *units::megahertz)
virtual	~LfFilter ()
virtual const Waveform::realseq_t	filter_waveform (int nbins) const
	Provide the filter waveform with a given number of frequency bins. More...
virtual void	configure (const WireCell::Configuration &config)
	Accept a configuration. More...
virtual WireCell::Configuration	default_configuration () const
	Optional, override to return a hard-coded default configuration. More...
Public Member Functions inherited from WireCell::IFilterWaveform
virtual	~IFilterWaveform ()
Public Member Functions inherited from WireCell::IComponent< IFilterWaveform >
virtual	~IComponent ()
Public Member Functions inherited from WireCell::Interface
virtual	~Interface ()
Public Member Functions inherited from WireCell::IConfigurable
virtual	~IConfigurable ()
Public Member Functions inherited from WireCell::IComponent< IConfigurable >
virtual	~IComponent ()

Private Attributes
double	m_max_freq
double	m_tau

Additional Inherited Members
Public Types inherited from WireCell::IComponent< IFilterWaveform >
typedef std::shared_ptr< IFilterWaveform >	pointer
	Access subclass facet by pointer. More...
typedef std::vector< pointer >	vector
	Vector of shared pointers. More...
Public Types inherited from WireCell::Interface
typedef std::shared_ptr< Interface >	pointer
Public Types inherited from WireCell::IComponent< IConfigurable >
typedef std::shared_ptr< IConfigurable >	pointer
	Access subclass facet by pointer. More...
typedef std::vector< pointer >	vector
	Vector of shared pointers. More...

Detailed Description

Definition at line 11 of file LfFilter.h.

Constructor & Destructor Documentation

SigProc::LfFilter::LfFilter	(	double	max_freq = 1 * units::megahertz,
		double	tau = 0.02* units::megahertz
	)

Definition at line 11 of file LfFilter.cxx.

  : m_max_freq(max_freq)
  , m_tau(tau)
{
}

SigProc::LfFilter::~LfFilter ( )

virtual

Definition at line 17 of file LfFilter.cxx.

{
}

Member Function Documentation

void SigProc::LfFilter::configure ( const WireCell::Configuration &  config )

virtual

Accept a configuration.

Implements WireCell::IConfigurable.

Definition at line 29 of file LfFilter.cxx.

{
  m_tau = get(cfg,"tau",m_tau);
  m_max_freq = get(cfg,"max_freq",m_max_freq);
}

WireCell::Configuration SigProc::LfFilter::default_configuration ( ) const

virtual

Optional, override to return a hard-coded default configuration.

Reimplemented from WireCell::IConfigurable.

Definition at line 21 of file LfFilter.cxx.

{
    Configuration cfg;
    cfg["tau"] = m_tau;
    cfg["max_freq"] = m_max_freq;
    return cfg;
}

const Waveform::realseq_t SigProc::LfFilter::filter_waveform ( int  nfbins ) const

virtual

Provide the filter waveform with a given number of frequency bins.

Implements WireCell::IFilterWaveform.

Definition at line 36 of file LfFilter.cxx.

{
  Waveform::realseq_t m_wfs(nbins);

  Response::LfFilter lf_filter(m_tau);

  for (size_t i=0; i!=m_wfs.size();i++){
    double freq = i * 1.0 / int(m_wfs.size()) * 2 * m_max_freq;
    if (freq > m_max_freq)
      freq = freq - 2*m_max_freq;
    m_wfs.at(i) = lf_filter(fabs(freq));
  }
  // std::cout << m_wfs.size() << std::endl;
  
  return m_wfs;
}

Member Data Documentation

double WireCell::SigProc::LfFilter::m_max_freq

private

Definition at line 24 of file LfFilter.h.

double WireCell::SigProc::LfFilter::m_tau

private

Definition at line 25 of file LfFilter.h.

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The documentation for this class was generated from the following files:

• wire-cell-build/sigproc/inc/WireCellSigProc/LfFilter.h
• wire-cell-build/sigproc/src/LfFilter.cxx