Antenna characterization using the Sources Reconstruction Method

The following contribution describes the Sources Reconstruction Method (SRM) for antenna diagnostics and near-field to far-field transformation method. The SRM is based on the Equivalence Principle, that allows to replace the Antenna Under Test (AUT) by an equivalent model that radiates the same electromagnetic fields. An interesting SRM capability is related to phaseless field measurements in two or more acquisition surfaces. The proposed SRM methodology is able to retrieve an equivalent AUT model, from which the phase of the field at any point of the space can be determined. The SRM theoretical foundations are supported with two application examples.