Abstract
This paper proposed a strategy for improving interference suppression performance of airborne array radar under clutter environment. This strategy detects the range cells containing clutters and then eliminates them. After the estimation of weight coefficients in adaptive interference cancellation algorithm using the left range cells without clutters, the eliminated range cells are put back on their original positions and carry out the interference cancellation. The simulation results show that the proposed strategy improves the interference cancellation performance and ensures the freedom degrees required by adaptive interference cancellation system under clutter environment Furthermore, the resolution that distinguishes different interferences from different angles is also improved. This proposed strategy is simple and has low computational complexity. So it has the practical application prospects in airborne array radar.
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