Raytheon Company

Frederic C Stevens, Iv

Kaichiang Chang

Stephen M Sparagna

Yong Liu

David R Schmidt

A radar system uses multiple-beam maximum likelihood estimation (MLE) during both search and tracking operations. During search, a four beam sequential beam cluster may be used to search for targets in a region-of-interest. During tracking, a three beam triad may be used to track one or more detected targets. In some embodiments, a beam selector switch may be used to allow two offset receive beams to time share a beamformer output port to generate the four beam sequential cluster.

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Milford, MA, United States of America

Frederic C Stevens, Iv