High resolution cross-range profiling with Passive Radar via ISAR processing

Abstract

This paper investigates the possibility of applying Inverse Synthetic Aperture Radar (ISAR) processing in Passive Radar. The purpose is to obtain high resolution cross-rang profiling of moving targets that could provide important information for their discrimination and automatic recognition. The case study consist of a passive radar based on WiFi transmissions for vehicular targets monitoring. The data processing flow is presented and the obtainable performance in terms of azimuth resolution are discussed. The preliminary results obtained by means of an experimental setup developed and fielded at the DIET Dep. - University of Rome “La Sapienza” -, show that the considered approach is promising thus preliminarily demonstrating the fruitful application of ISAR processing in WiFi-based Passive Radar.