NewNoiseModel Class Reference

Brief description of class still missing. More...

#include <NewNoiseModel.h>

List of all members.

Public Types
enum	Type {   LowAcceleration, HighAcceleration, LowVelocity, HighVelocity,   LowDisplacement, HighDisplacement }
Public Member Functions
Curve< Point2D >	curve (Type t, double minFrequency, double maxFrequency, int n, SamplingOptions options)
Static Public Member Functions
static double	highAcceleration (double frequency, bool &ok)
static double	highDisplacement (double frequency, bool &ok)
static double	highVelocity (double frequency, bool &ok)
static double	lowAcceleration (double frequency, bool &ok)
static double	lowDisplacement (double frequency, bool &ok)
static double	lowVelocity (double frequency, bool &ok)

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Detailed Description

Brief description of class still missing.

Full description of class still missing

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Member Enumeration Documentation

enum NewNoiseModel::Type

Enumerator:

LowAcceleration
HighAcceleration
LowVelocity
HighVelocity
LowDisplacement
HighDisplacement

{LowAcceleration, HighAcceleration, LowVelocity, HighVelocity, LowDisplacement, HighDisplacement};

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Member Function Documentation

Curve< Point2D > NewNoiseModel::curve	(	Type	t,
		double	minFrequency,
		double	maxFrequency,
		int	n,
		SamplingOptions	options
	)

References HighAcceleration, highAcceleration(), HighDisplacement, highDisplacement(), HighVelocity, highVelocity(), QGpCoreTools::Curve< pointType >::line(), LowAcceleration, lowAcceleration(), LowDisplacement, lowDisplacement(), LowVelocity, lowVelocity(), QGpCoreTools::Curve< pointType >::remove(), QGpCoreTools::Curve< pointType >::resample(), QGpCoreTools::Point2D::setY(), TRACE, and QGpCoreTools::Point2D::x().

{
  TRACE;
  Curve<Point2D> res;
  res.line(Point2D(minFrequency, 0.0), Point2D(maxFrequency, 0.0));
  res.resample(n, minFrequency, maxFrequency, options);

  int i=0;
  while(i<n) {
    Point2D& p=res[i];
    double y;
    bool ok;
    switch(t) {
    case LowAcceleration:
      y=lowAcceleration(p.x(), ok);
      break;
    case HighAcceleration:
      y=highAcceleration(p.x(), ok);
      break;
    case LowVelocity:
      y=lowVelocity(p.x(), ok);
      break;
    case HighVelocity:
      y=highVelocity(p.x(), ok);
      break;
    case LowDisplacement:
      y=lowDisplacement(p.x(), ok);
      break;
    case HighDisplacement:
      y=highDisplacement(p.x(), ok);
      break;
    }
    if(ok) {
      // Get rid of dB scale, transforms to m/s^2/sqrt(Hz)
      p.setY(pow(10.0, y*0.2));
      i++;
    } else {
      // Standard model does not exist at that frequency, remove sample.
      res.remove(i);
      n--;
    }
  }
  return res;
}

double NewNoiseModel::highAcceleration	(	double	frequency,
		bool &	ok
	)		[static]

Referenced by curve().

{
  return interpole(1.0/frequency, 12, highPeriods, highA, highB, ok);
}

double NewNoiseModel::highDisplacement	(	double	frequency,
		bool &	ok
	)		[static]

Referenced by curve().

{
  double period=1.0/frequency;
  return interpole(period, 12, highPeriods, highA, highB, ok) + 20.0*log10(period*period/(4*M_PI*M_PI));
}

double NewNoiseModel::highVelocity	(	double	frequency,
		bool &	ok
	)		[static]

Referenced by curve().

{
  double period=1.0/frequency;
  return interpole(period, 12, highPeriods, highA, highB, ok) + 20.0*log10(period/(2*M_PI));
}

double NewNoiseModel::lowAcceleration	(	double	frequency,
		bool &	ok
	)		[static]

Referenced by curve().

{
  return interpole(1.0/frequency, 22, lowPeriods, lowA, lowB, ok);
}

double NewNoiseModel::lowDisplacement	(	double	frequency,
		bool &	ok
	)		[static]

Referenced by curve().

{
  double period=1.0/frequency;
  return interpole(period, 22, lowPeriods, lowA, lowB, ok) + 20.0*log10(period*period/(4*M_PI*M_PI));
}

double NewNoiseModel::lowVelocity	(	double	frequency,
		bool &	ok
	)		[static]

Referenced by curve().

{
  double period=1.0/frequency;
  return interpole(period, 22, lowPeriods, lowA, lowB, ok) + 20.0*log10(period/(2*M_PI));
}

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

• geopsyhv/NewNoiseModel.h
• geopsyhv/NewNoiseModel.cpp