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Monopulse radars are widely used in tracking systems, due to their relativesimplicity and theoretical precision, but the presence of multipathimpairs the tracking capabilities of these radars, especially when multipathsignals are strong, as in a naval environment. A special monopulsesetup, the crossfeed, has been proposed in the past to provide an automaticcancellation from smooth sea multipath. In this contribution,the performances of such a system are analyzed in presence of rough seascattering and compared with those of a standard monopulse setup. Particularattention is devoted to performance degradations due to possiblephase errors in the passive network implementing the comparator anddue to ship rolling and pitching. This latter requires a full 3D monopulsesimulator for its correct evaluation

A Comparison between Standard and Crossfeed Monopulse Radars in Presence of Rough Sea Scattering and Ship Movements