This paper addresses the problem of a passive radar system mounted on a moving platform with the purpose of Ground Moving Target Indication (GMTI). When exploiting digital communication signals for passive radar, the signal structures result in ambiguities and grating-lobes which may overlap echo signals of targets, which are then difficult to detect. Echo signals of targets can also be covered by Doppler-shift induced from the receiver’s motion. We suggest to apply a reciprocal filter for ambiguities removal and the Displaced-Phase Centre- Antenna (DPCA) technique for clutter removal. The effectiveness of our approach is shown with simulated and real data.
The application of the reciprocal filter and DPCA for GMTI in DVB-T - PCL / Wojaczek, P.; Colone, F.; Cristallini, D.; Lombardo, P.; Kuschel, H.. - (2017), pp. 1-5. (Intervento presentato al convegno International Conference on Radar Systems (RADAR 2017) tenutosi a Belfast (UK)) [10.1049/cp.2017.0478].
The application of the reciprocal filter and DPCA for GMTI in DVB-T - PCL
Wojaczek, P.;Colone, F.;Lombardo, P.;
2017
Abstract
This paper addresses the problem of a passive radar system mounted on a moving platform with the purpose of Ground Moving Target Indication (GMTI). When exploiting digital communication signals for passive radar, the signal structures result in ambiguities and grating-lobes which may overlap echo signals of targets, which are then difficult to detect. Echo signals of targets can also be covered by Doppler-shift induced from the receiver’s motion. We suggest to apply a reciprocal filter for ambiguities removal and the Displaced-Phase Centre- Antenna (DPCA) technique for clutter removal. The effectiveness of our approach is shown with simulated and real data.File | Dimensione | Formato | |
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