Space-time adaptive processing of curved antenna arrays

This study investigates the effects of curvature of a curved antenna array on the rank of the clutter covariance matrix and on the output of a fully adaptive space-time adaptive processor (STAP) in comparison to a linear antenna array. Both forward looking and side looking configurations are investigated while varying the radius of curvature and the number of antenna elements. In this study the signals received by an airborne pulsed-Doppler radar system are modeled and then processed using fully adaptive STAP to suppress undesired interference in the form of clutter, jamming, and receiver noise.