GETSignalFunctions.hh File Reference

#include "GETChannel.hh"

Go to the source code of this file.

Functions for fitting the signals
u_int	getIntegPoints
double	GETSquareCurrent (const double x[], const double p[])
double	GETSquareCurrentGaus (const double x[], const double p[])
double	GETSquareCurrentGSC (const double x[], const double p[])
double	GETSquareCurrent2 (const double x[], const double p[])
double	GETSquareCurrent2Gaus (const double x[], const double p[])
double	GETSquareCurrent2GSC (const double x[], const double p[])

Gauss function multiplied by sin(x)/x
TGraph *	getGSCNorm
u_int	getGSCConvPoints
double	getGSCConvMax
void	GETSetNormalizationGSC ()
double	GETGausSinC (const double x[], const double p[])
double	GETGausSinC (double t, double amp, double ctr, double sig, double w)
double	GETConvolutionGSC (const double x[], const double pg[], double(*fct)(const double[], const double[]), const double pf[])

Detailed Description

Include file for signal analysis functions.

Function Documentation

double GETConvolutionGSC	(	const double	x[],
		const double	pg[],
		double(*)(const double[], const double[])	fct,
		const double	pf[]
	)

Function computing the convolution of a user function with the GETGausSinC function.

Parameters

x	array of coordinates (only x[0] is used)
pg	parameters of the GETGausSinC function (4 parameters)
fct	user function pointer
pf	parameters of the user function

References GETGausSinC(), getGSCConvMax, and getGSCConvPoints.

Referenced by GETSquareCurrent2GSC(), and GETSquareCurrentGSC().

double GETGausSinC	(	double	t,
		double	amp,
		double	ctr,
		double	sig,
		double	w
	)

Product of a Gaus function with sinc function: G(x) * sin(x/w) / (x/w).

Parameters

t	point to compute
amp	amplitude (1 for normalized function)
ctr	center
sig	sigma
w	sine cardinal dilatation factor

References getGSCNorm, and GETSetNormalizationGSC().

Referenced by GETConvolutionGSC().

void GETSetNormalizationGSC

(

)

Function that computes the points for the calculation of the GETGausSinC normalization.

References getGSCNorm, and getIntegPoints.

Referenced by GETGausSinC().

double GETSquareCurrent	(	const double	x[],
		const double	p[]
	)

Function for a square current distribution.

• p[0] total charge: time width multiplied by the current value
• p[1] start time
• p[2] width of the square current

  Parameters

  x	coordinates array (only 1 used)
  p	parameters array

Referenced by GETSquareCurrent2GSC(), and GETSquareCurrentGSC().

double GETSquareCurrent2	(	const double	x[],
		const double	p[]
	)

Function for a square current distribution.

• p[0] total charge: time width multiplied by the current value
• p[1] distribution center time
• p[2] width of the square current

  Parameters

  x	coordinates array (only 1 used)
  p	parameters array

double GETSquareCurrent2Gaus	(	const double	x[],
		const double	p[]
	)

Function for a square current distribution, convoluted with a gaus function (smoothing).

• p[0] total charge: time width multiplied by the current value
• p[1] distribution center time
• p[2] width of the square current
• p[3] sigma of the convolution gaus function
• p[4] offset (background)

  Parameters

  x	coordinates array (only 1 used)
  p	parameters array

double GETSquareCurrent2GSC	(	const double	x[],
		const double	p[]
	)

Function for a square current distribution, convoluted with a gaus function (smoothing).

• p[0] total charge: time width multiplied by the current value
• p[1] distribution center time
• p[2] width of the square current
• p[3] sigma of the convolution gaus function
• p[4] sinc coordinate factor
• p[5] offset (background)

  Parameters

  x	coordinates array (only 1 used)
  p	parameters array

References GETConvolutionGSC(), and GETSquareCurrent().

double GETSquareCurrentGaus	(	const double	x[],
		const double	p[]
	)

Function for a square current distribution, convoluted with a gaus function (smoothing).

• p[0] total charge: time width multiplied by the current value
• p[1] start time
• p[2] width of the square current
• p[3] sigma of the convolution gaus function
• p[4] offset (background)

  Parameters

  x	coordinates array (only 1 used)
  p	parameters array

double GETSquareCurrentGSC	(	const double	x[],
		const double	p[]
	)

Function for a square current distribution, convoluted with a gaus function (smoothing).

• p[0] total charge: time width multiplied by the current value
• p[1] start time
• p[2] width of the square current
• p[3] sigma of the convolution gaus function
• p[4] sinc coordinate factor
• p[5] offset (background)

  Parameters

  x	coordinates array (only 1 used)
  p	parameters array

References GETConvolutionGSC(), and GETSquareCurrent().

Variable Documentation

double getGSCConvMax

integration size for convolution with GETGausSinC function (in units of sigma).

Referenced by GETConvolutionGSC().

u_int getGSCConvPoints

number of points for convolution with GETGausSinC function.

Referenced by GETConvolutionGSC().

TGraph* getGSCNorm

Normalisation values for GETGausSinC function (computed by interpolation).

Referenced by GETGausSinC(), and GETSetNormalizationGSC().

u_int getIntegPoints

global variable for integration step number.

Referenced by GETSetNormalizationGSC().