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The AN/SPY-1 is the electronically scanned
fixed-array radar for the US Navy's Aegis fleet air defense system.
It operates in the E/F- Band, and the output is in
several megawatts. The transmitter serves several parallel channels
simultaneously.
The four fixed and phase-scanned arrays of
AN/SPY-1 send out beams of electromagnetic energy in all directions
simultaneously, continuously providing a search and tracking
capability for hundreds of target at the same time. Each array has
4,100 discrete elements, and measures 3.65 x 3.65 m. These elements
are controlled by AN/UYK-7 digital computers to produce and steer
multiple radar beams for target search, detection and tracking. The
SPY-1 also tracks the ship's own missiles fired against hostile
targets. In addition to search and track, it provides midcourse
guidance to the Standard missile (SM-2).
The Aegis system has been fully operational since 1983 and
advanced versions of the radar have also been developed. |
