Characterization of Radar Target Using Multiple Ultra Wideband Transient Responses

The aspect independency nature of the natural resonance embedded in transient signatures of radar targets allows it to be an excellent candidate for target characterization and recognition. The amplitudes of these resonance modes, however, vary as a function of the excitation aspects and polarization states such that these modes could be poorly excited under certain configurations. To ensure the dominant modes are well excited and included in target characterization, one way is to illuminate the target over a number of aspects and polarization states and perform resonance extraction over the large number of target signatures. In this letter, we aim to evaluate an optimal solution to handle such large amount of data from multiple-aspect multiple-polarization measurements. Different ways to handle the data are explored and exemplified using a simple dielectric target.