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Multi-Frequency Target Detection Techniques for DVB-T Based Passive Radar Sensors
This paper investigates the possibility to improve target detection capability in a DVB-T based passive radar sensor by jointly exploiting multiple digital television channels broadcasted by the same transmitter of opportunity. Based on the remarkable results obtained by such multi-frequency approach with other signals of opportunity (i.e. FM radio broadcast transmissions), we propose appropriate modifications to the previously devised signal processing techniques for them to be effective against the newly considered scenarios. The resulting processing schemes are extensively applied against experimental DVB-T based passive radar data pertaining to different surveillance applications. The obtained results clearly show the effectiveness of the proposed multi-frequency approaches and demonstrate their suitability for application in the considered scenarios.
Martelli Tatiana, Colone Fabiola, Tilli Enrico, Di Lallo Anna Rita
Paper for Specialistic Magazine
Sensors - Open Access Journal
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