Blurs the visibilities of the input model according to the diffractive scattering kernel with default values from Johnson 2018. More...

#include "model/model_visibility_galactic_center_diffractive_scattering_screen.h"

Inheritance diagram for model_visibility_galactic_center_diffractive_scattering_screen:

Collaboration diagram for model_visibility_galactic_center_diffractive_scattering_screen:

Classes
class	_P_phi
	Wandering magnetic field angular model. More...

Public Member Functions
	model_visibility_galactic_center_diffractive_scattering_screen (model_visibility &model, double frequency=230e9, std::string scattering_model="dipole", double observer_screen_distance=2.82 3.086e21, double source_screen_distance=5.53 3.086e21, double theta_maj_mas_cm=1.38, double theta_min_ma_cm=0.703, double POS_ANG=81.9, double scatt_alpha=1.38, double r_in=800e5, double r_out=1e20)

virtual size_t	size () const
	Size of the supplied model image, i.e., number of parameters expected.

virtual void	generate_model (std::vector< double > parameters)
	Takes model parameters and generates the model with the diffractive scattering.

virtual std::complex< double >	visibility (datum_visibility &d, double accuracy)
	Redefines the visibility function since we need to multiply by the scattering kernel.

virtual void	set_mpi_communicator (MPI_Comm comm)
	Sets the mpi communicator for generating images.

Private Member Functions
double	Dphi (double r, double phi) const
	< Dphi function for the ensemble averaged image. More...

double	Q (double qx, double qy) const

Private Attributes
model_visibility &	_model
	< Model visibility amplitudes

const double	_wavelength

const std::string	_scattering_model
	Which scattering model to use. Have three options, dipole, boxcar, vonMises.

const double	_theta_maj_mas_cm

const double	_theta_min_mas_cm
	Semi-major and minor axis length of Gaussian component of scattering screen in mas at refernce wavelength of 1 cm.

const double	_phi0
	(90-_POS_ANG)

const double	_M
	Magnification factor.

const double	_scatt_alpha
	Scattering turulence and dissipation scale power law parameter. Kolmogorov scattering has alpha=5/3.

const double	_rin
	Inner scale for the turbulence in the scattering screen.

double	_zeta0

double	_Qbar
	Power spectrum normalization.

double	_C_scatt_0
	Scattering coefficent for phase structure function.

double	_kZeta
	Scattering kernel phase structure coefficient for different wandering magnetic field models.

double	_Bmaj

double	_Bmin

_P_phi	_P_phi_func
	Normalization for wandering magnetic field model.

double	_P_phi_norm

Additional Inherited Members
Protected Attributes inherited from model_visibility
MPI_Comm	_comm

Detailed Description

Unlike the refractive scattering screen this does not increase the number of parameters since this is considered a deterministic process.

Member Function Documentation

private

Power spectrum of phase screen.

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