Reciprocal-Filter-Based STAP for Passive Radar on Moving Platforms

This paper addresses the problem of clutter cancellation and slowly moving target detection in digital video broadcast-terrestrial-based passive radar systems mounted on moving platforms. First, we show that conventional processing approaches based on the availability of multiple receiving channels...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 2019-04, Vol.55 (2), p.967-988
Hauptverfasser: Wojaczek, Philipp, Colone, Fabiola, Cristallini, Diego, Lombardo, Pierfrancesco
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creator Wojaczek, Philipp
Colone, Fabiola
Cristallini, Diego
Lombardo, Pierfrancesco
description This paper addresses the problem of clutter cancellation and slowly moving target detection in digital video broadcast-terrestrial-based passive radar systems mounted on moving platforms. First, we show that conventional processing approaches based on the availability of multiple receiving channels might be ineffective in the considered scenarios due to the impossibility to control the employed waveform of opportunity. Therefore, an appropriate space-time adaptive processing scheme is proposed to cope with the Doppler spread clutter returns aiming at ground moving target indication applications. It exploits the benefits of the reciprocal filtering strategy applied at a range compression stage together with a flexible displaced phase center antenna approach. The effectiveness of the proposed scheme is demonstrated via application to a simulated dataset and then tested against experimental data collected by multichannel passive radar on a maritime moving platform.
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subjects Adaptive control
Clutter
Clutter cancellation
digital video broadcast-terrestrial (DVB-T)
Digital Video Broadcasting
displaced phase center antenna (DPCA)
Doppler effect
ground moving target indication (GMTI)
OFDM
passive coherent location (PCL)
Passive radar
Platforms
Radar
Radar antennas
Receiving antennas
Space-time adaptive processing
space-time adaptive processing (STAP)
Target detection
title Reciprocal-Filter-Based STAP for Passive Radar on Moving Platforms
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