NoisyAdcSimulator Class Reference

#include <NoisyAdcSimulator.h>

Inheritance diagram for NoisyAdcSimulator:

Public Member Functions
	NoisyAdcSimulator (double vsen, unsigned int nbit, int noise)
	NoisyAdcSimulator (fhicl::ParameterSet const &ps)
Count	count (double vin, Channel chan=0, Tick tick=0) const override
Public Member Functions inherited from AdcSimulator
virtual	~AdcSimulator ()=default

Private Attributes
int	m_noise
double	m_vsen
double	m_vmax
Count	m_adcmax
CLHEP::HepRandomEngine *	m_random_engine

Additional Inherited Members
Public Types inherited from AdcSimulator
using	Channel = unsigned int
using	Count = unsigned short
using	Tick = unsigned int

Detailed Description

Definition at line 27 of file NoisyAdcSimulator.h.

Constructor & Destructor Documentation

NoisyAdcSimulator::NoisyAdcSimulator ( double  vsen, unsigned int  nbit, int  noise  )

explicit

Definition at line 9 of file NoisyAdcSimulator_tool.cc.

  :m_noise(noise), m_vsen(vsen), m_vmax(0.0), m_adcmax(0), m_random_engine(nullptr) {

  art::ServiceHandle<NuRandomService> seedSvc;
  m_random_engine = new HepJamesRandom;
  seedSvc->registerEngine(NuRandomService::CLHEPengineSeeder(m_random_engine), "NoisyAdcSimulator");

  if ( nbit == 0 ) return;
  unsigned int nbitmax = 8*sizeof(Count);
  if ( nbit > nbitmax ) return;
  unsigned int bit = 1;
  for ( unsigned int ibit=0; ibit<nbit; ++ibit ) {
    m_adcmax |= bit;
    bit = bit << 1;
  }
  m_vmax = m_vsen*m_adcmax;
  
}

NoisyAdcSimulator::NoisyAdcSimulator ( fhicl::ParameterSet const &  ps )

explicit

Member Function Documentation

AdcSimulator::Count NoisyAdcSimulator::count ( double  vin, Channel  chan = 0, Tick  tick = 0  ) const

overridevirtual

Implements AdcSimulator.

Definition at line 39 of file NoisyAdcSimulator_tool.cc.

                                                        {
  CLHEP::RandBinomial binom(*m_random_engine);

  //std::cout << "v_sen " << m_vsen <<  " m_vmax " << m_vmax << " vin " << vin << std::endl;
  double halfsen = 0.5*m_vsen;
  if ( m_vsen <= 0.0 ) return 0;
  if ( vin < halfsen ) return 0;
  if ( vin > m_vmax - halfsen ) return m_adcmax;
  Count count = vin/m_vsen + 0.5;
  if (m_noise>0) {
    int n = binom.fire(m_noise,0.5)- m_noise/2;
    count += n;
  }
  if ( count > m_adcmax ) return m_adcmax;
  return count;
}

Member Data Documentation

Count NoisyAdcSimulator::m_adcmax

private

Definition at line 44 of file NoisyAdcSimulator.h.

int NoisyAdcSimulator::m_noise

private

Definition at line 41 of file NoisyAdcSimulator.h.

CLHEP::HepRandomEngine* NoisyAdcSimulator::m_random_engine

private

Definition at line 45 of file NoisyAdcSimulator.h.

double NoisyAdcSimulator::m_vmax

private

Definition at line 43 of file NoisyAdcSimulator.h.

double NoisyAdcSimulator::m_vsen

private

Definition at line 42 of file NoisyAdcSimulator.h.

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

• dunesim/dunesim/DetSim/Tool/NoisyAdcSimulator.h
• dunesim/dunesim/DetSim/Tool/NoisyAdcSimulator_tool.cc