Analysis of Side Lobe Cancellation Algorithm for Practical Implementation

Side Lobe Cancellation (SLC) is one of the widely used Electronic Counter-Counter Measure (ECCM) techniques to cancel the adverse effects of high duty noise like jamming on radar. This paper deals with performance analysis of open loop SLC in terms of variation of Cancellation Ratio (CR) with respect to Jammer to Noise Ratio (JNR), Jammer Direction of Arrival (DOA), number of snapshots, and phase center of auxiliary antennas. Simulation results are presented with different combinations of auxiliary channels & number of jammers. Results indicate that to achieve better side lobe CR, number of training samples & phase center of auxiliary antennas must be optimally chosen.