A target missile identifier compares radar cross-section (RCS) information about the missile with a set including at least one template of RCS to make determination(s) of at least one of (a) the missile type (solid/liquid propellant), (b) missile main engine cutoff, andor (c) staging state of a multistage missile.

 
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> Methods and systems for identifying high-quality phase angle measurements in an interferometric radar system

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