ELECTROMAGNETIC DETECTION OF AN EMBEDDED DIELECTRIC REGION WITHIN AN AMBIENT DIELECTRIC REGION

摘要

A system, and a method of electromagnetically detecting an embedded dielectric region within a target object (12) are provided. The apparatus includes an electromagnetic radiation source (14, 16) configured to direct electromagnetic radiation at the target object, wherein the radiation is characterized by a frequency that is varied incrementally over a frequency band, an electromagnetic radiation detector configured to detect electromagnetic radiation reflected by the target object over the frequency band such that there are M measurements at a number of different frequencies within the frequency band, a data processor configured to construct a correlation matrix representative of the reflected signal, de-correlate the correlation matrix, and construct a scattering signature of the target object.