New applications of clutter simulation in airborne early warning radar

Abstract

The characteristics of airborne early warning radar and the difficulties of clutter suppression are introduced in this paper. The research process of clutter simulation is then reviewed. On the basis of the analysis of the clutter model of airborne early warning radar and the conventional clutter suppression methods, a cognitive clutter suppression method based on high fidelity clutter simulation is proposed. This method uses digital elevation map data, land cover and land use data to carry out signal level airborne radar clutter inversion. It supplements homogeneous clutter samples, improves clutter suppression performance under heterogeneous environment, and points out a new way for the application of clutter simulation in airborne early warning radar. Finally, according to the typical parameters of airborne early warning radar and geographical environment, the effectiveness of this method is verified by simulation.

Keywords

• airborne early warning radar|knowledge-aided|high fidelity clutter simulation