The paper deals with the cancellation of direct signal, multipath and clutter echoes in passive radar, where the transmitted waveform is not under control of the radar designer and the sidelobes of the ambiguity function mask even targets largely displaced in range and Doppler from the disturbance. A sequential approach is presented for disturbance cancellation and target detection based on projections of the received signals in a subspace orthogonal to both disturbance and previously detected targets. Modeling the clutter spread on few Doppler bins allows complete clutter cancellation. The approach is shown to be effective against typical scenarios with a limited number of iterations. © 2006 IEEE.
Cancellation of clutter and multipath in passive radar using a sequential approach / COLONE, Fabiola; CARDINALI, ROBERTA; LOMBARDO, Pierfrancesco. - (2006), pp. 393-399. (Intervento presentato al convegno 2006 IEEE Radar Conference tenutosi a Verona; United States nel APR 24-27, 2006) [10.1109/radar.2006.1631830].
Cancellation of clutter and multipath in passive radar using a sequential approach
COLONE, Fabiola;CARDINALI, ROBERTA;LOMBARDO, Pierfrancesco
2006
Abstract
The paper deals with the cancellation of direct signal, multipath and clutter echoes in passive radar, where the transmitted waveform is not under control of the radar designer and the sidelobes of the ambiguity function mask even targets largely displaced in range and Doppler from the disturbance. A sequential approach is presented for disturbance cancellation and target detection based on projections of the received signals in a subspace orthogonal to both disturbance and previously detected targets. Modeling the clutter spread on few Doppler bins allows complete clutter cancellation. The approach is shown to be effective against typical scenarios with a limited number of iterations. © 2006 IEEE.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
