Vorrichtung zur Bestimmung eines Volumenstreuungsmodells und Verfahren zur Bestimmung eines Volumenstreuungsmodells

Details

Veröffentlichungs-Nr.

EP4760237

Anmeldetag

12. September 2023

Veröffentlichung

20. März 2025

Rechtsraum

EP

IPC

G01N21/21

Abstract

A volume scattering model determination device is configured to include: a covariance matrix acquisition unit (1) to acquire a covariance matrix corresponding to a scattering matrix of an observation target obtained by alternately radiating two mutually orthogonal polarized waves toward the observation target; and a parameter setting unit (2) to set a plurality of patterns of values of model parameters, as model parameters of a generalized volume scattering model on which scattering matrices of a plurality of scatterers are mapped, and output a plurality of the generalized volume scattering models including the set model parameters, the model parameters including a parameter indicating an element of a scattering matrix of each of the plurality of scatterers, a parameter indicating a distribution of the plurality of scatterers, and a parameter indicating an average inclination angle of the plurality of scatterers. Furthermore, the volume scattering model determination device includes: a coefficient adjustment unit (3) to multiply fitting coefficients on the respective plurality of generalized volume scattering models output from the parameter setting unit (2), and adjust each of the fitting coefficients in such a way as to reduce a difference between each of the generalized volume scattering models obtained after the multiplication of a corresponding one of the fitting coefficients and the covariance matrix; and a model selection unit (4) to compare a plurality of the differences obtained after the coefficient adjustment unit (3) adjusts the fitting coefficients, with each other, and select one generalized volume scattering model from among the plurality of generalized volume scattering models output from the parameter setting unit (2) on the basis of a comparison result of the differences.

Anmelder

Firma

Mitsubishi Electric Corporation

Land

🇯🇵 Japan