Premium
Polarizability tensors in low‐frequency inverse scattering
Author(s) -
Angell T. S.,
Kleinman R. E.
Publication year - 1987
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs022i007p01120
Subject(s) - polarizability , ellipsoid , scattering , inverse scattering problem , inverse problem , plane wave , physics , tensor (intrinsic definition) , plane (geometry) , object (grammar) , field (mathematics) , mathematical analysis , orientation (vector space) , inverse , classical mechanics , optics , computational physics , mathematics , geometry , computer science , quantum mechanics , pure mathematics , astronomy , artificial intelligence , molecule
The problem treated is that of determining the geometric configuration and constitutive parameters of an object from a knowledge of the low‐frequency scattered far field produced by an incident plane wave. This problem is recast as a constrained optimization problem for a functional defined in terms of the polarizability tensor elements associated with the object. In particular, a method is described for finding the dimensions and orientation of that ellipsoid, the scattering properties of which best approximate the measured far field.