Title :
Transmission-Based Imaging of an Electrically Small Aperture in a Shielded System
Author :
Cozza, Andrea ; Monsef, Florian
Author_Institution :
Dept. de Rech. en Electromagn., Univ. Paris-Sud, Gif-sur-Yvette, France
Abstract :
The possibility of imaging the position and nature of apertures in a metallic shielding is discussed. Synthetic images are obtained from signals induced at the interior of the shielding by a set of plane waves impinging on it along different directions of arrival. The proposed technique works analogously to inverse synthetic aperture radar imaging, but is based on signals related to transmitted rather than scattered waves. A theoretical analysis of the features of the images associated to electric and magnetic coupling is presented.
Keywords :
magnetic shielding; radar imaging; synthetic aperture radar; electric coupling; electrically small aperture; inverse synthetic aperture radar imaging; magnetic coupling; metallic shielding; plane waves; shielded system; synthetic images; transmission-based imaging; Apertures; Couplings; Magnetic noise; Magnetic resonance imaging; Magnetic separation; Magnetic shielding; Coupling; imaging techniques; radiated tests; shielding; small apertures;
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
DOI :
10.1109/LAWP.2014.2374699