Radartutorial .eu AN/SPY-1
Figure 1: AN-SPY-1
Figure 2: AN-SPY-1
The AN/SPY-1 is the electronically scanned fixed-array radar for the US Navy's Aegis fleet air defence 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 3.65·3.65 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.
| Specifications | |
|---|---|
| frequency: | E/F-Band |
| pulse repetition time (PRT): | |
| pulse repetition frequency (PRF): | |
| pulsewidth (PW): | |
| receive time: | |
| dead time: | |
| peak power: | 4 to 6 megawatts |
| average power: | 58 kilowatts |
| displayed range: | |
| range resolution: | |
| beamwidth: | 1.7 degrees |
| hits per scan: | |
| antenna rotation: | none (fixed antenna) |