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Correction of range cell migration with FIR filter for passive radar

In the paper a method is shown for correcting range cell migration in passive radar. The method is based on filtering the crossambiguity function (CAF) with a two-dimensional finite impulse response (FIR) filter. It is shown that despite heuristic origin of the method, it provides satisfactory results in comparison with rigorous approach in terms of signal to noise ratio loss. The method is tested with simulated signals, as well as signals recorded with DVB-T-based passive radar.