Ricerc@Sapienza

This paper addresses the detection of surface slow moving targets by means of an array passive radar based on low-EIRP satellite illuminators of opportunity. Particularly, the use of the receiving array of K elements is considered to provide increased detection capability for targets with limited radar cross section, together with the capability to estimate the target direction-of-arrival. A full processing scheme is proposed to exploit together both the long integration times and the multiple receiving elements.

In this paper, the comparison is investigated between quasi-monostatic and near forward scatter configurations for WiFi-based passive radar sensors. To this purpose, a barrier coverage application for vehicular targets is onsidered

This work addresses the exploitation of Digital Video Broadcasting - Satellite (DVB-S) signals as sources of opportunity for the surveillance of small targets in the proximity of critical infrastructures. A performance analysis has been carried out and it is reported to demonstrate the feasibility of the proposed system. Then, a preliminary experimental validation is performed using data collected by means of a low cost COTS based multipolarimetric receiver to detect small and close targets, as drones and human beings.

The paper addresses the exploitation of Global Navigation Satellite Systems (GNSS) as transmitters of opportunity in passive bistatic radar (PBR) systems for maritime surveillance. The main limitation of this technology is the restricted power budget provided by navigation satellites, which makes it necessary to define innovative moving target detection techniques specifically tailored for the system under consideration.