JACOUSTICS::JKatoomba< JAbstractMinimiser > Struct Template Reference

Template specialisation of fit function of acoustic model based on JAbstractMinimiser minimiser. More...

#include <JKatoomba.hh>

Inheritance diagram for JACOUSTICS::JKatoomba< JAbstractMinimiser >:

Public Types
typedef double	result_type

Public Member Functions
	JKatoomba (const JDetector &detector, const JSoundVelocity &velocity)
	Constructor. More...
template<class JPDF_t >
result_type	operator() (const JModel &model, const JHit< JPDF_t > &hit) const
	Fit function. More...
template<class T >
result_type	operator() (const JModel &model, T __begin, T __end)
	Fit. More...
template<class JFunction_t , class T >
result_type	operator() (const JFunction_t &fit, T __begin, T __end)
	Get chi2. More...
template<class JPDF_t >
double	getToA (const JModel &model, const JHit< JPDF_t > &hit) const
	Get estimated time-of-arrival for given hit. More...

Public Attributes
JModel_t	value
	model value More...
const JDetector &	detector
const JSoundVelocity &	velocity
JLANG::JSharedPointer < JMEstimator >	estimator
	M-Estimator function. More...

Static Public Attributes
static int	debug = 0
	debug level (default is off). More...

Detailed Description

template<>
struct JACOUSTICS::JKatoomba< JAbstractMinimiser >

Template specialisation of fit function of acoustic model based on JAbstractMinimiser minimiser.

This class can be used to evaluate the chi2.

Definition at line 94 of file JKatoomba.hh.

Member Typedef Documentation

typedef double JACOUSTICS::JKatoomba< JAbstractMinimiser >::result_type

Definition at line 98 of file JKatoomba.hh.

Constructor & Destructor Documentation

JACOUSTICS::JKatoomba< JAbstractMinimiser >::JKatoomba ( const JDetector &  detector, const JSoundVelocity &  velocity  )

inline

Constructor.

Parameters

detector	detector
velocity	sound velocity

Definition at line 107 of file JKatoomba.hh.

                                              :
      JKatoomba_t(detector, velocity)
    {};

Member Function Documentation

template<class JPDF_t >

result_type JACOUSTICS::JKatoomba< JAbstractMinimiser >::operator() ( const JModel &  model, const JHit< JPDF_t > &  hit  ) const

inline

Fit function.

This method is used to determine the chi2 of given hit with respect to actual model.

Parameters

model	model
hit	hit

Returns

chi2 and gradient

Definition at line 122 of file JKatoomba.hh.

    {
      const double toa_s = this->getToA(model, hit);
      const double u     = (toa_s - hit.getValue()) / hit.sigma;

      return estimator->getRho(u);
    }

template<class T >

result_type JACOUSTICS::JKatoomba< JAbstractMinimiser >::operator() ( const JModel &  model, T  __begin, T  __end  )

inline

Fit.

Parameters

model	model
__begin	begin of hits
__end	end of hits

Returns

chi2

Definition at line 140 of file JKatoomba.hh.

    {
      this->value = model;

      return JAbstractMinimiser<JModel>::operator()(*this, __begin, __end);
    }

template<class JModel_t>

template<class JFunction_t , class T >

result_type JFIT::JAbstractMinimiser< JModel_t >::operator() ( const JFunction_t &  fit, T  __begin, T  __end  )

inlineinherited

Get chi2.

Parameters

fit	fit function
__begin	begin of data
__end	end of data

Returns

chi2

Definition at line 46 of file JRegressor.hh.

    {
      double chi2 = 0.0;

      for (T i = __begin; i != __end; ++i) {
        chi2 += fit(value, *i);
      }

      return chi2;
    }

template<class JPDF_t >

double JACOUSTICS::JKatoomba_t::getToA ( const JModel &  model, const JHit< JPDF_t > &  hit  ) const

inlineinherited

Get estimated time-of-arrival for given hit.

Parameters

model	model
hit	hit

Returns

time-of-arrival

Definition at line 62 of file JKatoomba.hh.

    {
      const JString&         string     = detector[hit.getString()];
      const JModel::JString& parameters = model.string[hit.getString()];
      const JPosition3D      position   = string.getPosition(parameters, hit.getFloor());

      const double D     = hit.getDistance(position);
      const double Vi    = velocity.getInverseVelocity(D, hit.getZ(), position.getZ());

      return model.emitter[hit.getEKey()].t1  +  D * Vi;
    }

Member Data Documentation

template<class JModel_t>

JModel_t JFIT::JAbstractMinimiser< JModel_t >::value

inherited

model value

Definition at line 57 of file JRegressor.hh.

template<class T>

int JEEP::JMessage< T >::debug = 0

staticinherited

debug level (default is off).

Definition at line 45 of file JMessage.hh.

const JDetector& JACOUSTICS::JKatoomba_t::detector

inherited

Definition at line 75 of file JKatoomba.hh.

const JSoundVelocity& JACOUSTICS::JKatoomba_t::velocity

inherited

Definition at line 76 of file JKatoomba.hh.

JLANG::JSharedPointer<JMEstimator> JACOUSTICS::JKatoomba_t::estimator

inherited

M-Estimator function.

Definition at line 78 of file JKatoomba.hh.

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The documentation for this struct was generated from the following file:

• JKatoomba.hh