Abstract

The practical application of adaptive digital beamforming (ADBF) to phased array radar systems has been demonstrated by several systems, most notably MESAR. However, MESAR and the other fielded radar systems employing ADBF are limited to narrow bandwidth operation. The next generation of defense radar systems currently under development are considering ADBF architecture, but with wideband waveforms. New radar system architectures are mandated by the requirement for simultaneously accomplishing wide bandwidth and ADBF, particularly for the precision measurement and tracking environment of ballistic missile defense. This paper describes approaches to developing wideband architectures suitable for this and similar applications.

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