M. Hamadouche, M. Bencheikh, B. Magaz, A. Belouchrani
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Performance Analysis of a Novel Adaptive SLB/CFAR System
In many radar applications, strong signals may enter through the antenna sidelobes and be interpreted as main beam signal. This results in false detection and angle errors [1]. A new adaptive sidelobe blanking (SLB) combined with a constant false alarm rate processor (CFAR) is proposed to prevent acquisition of strong target in the antenna sidelobes and also to reject pulsed interference originating in the sidelobes with maintaining constant the false alarm rate. We assume that the target is a Swerling I target fluctuation model. Closed form of probabilities of detection, false alarm, blanking and false blanking are determined and the performance of the system SLB/CFAR is analysed.
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