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AN/APS-134

Description of the radar set, tactical-technical characteristics
Specifications
frequency: 9.5 … 10 GHz
(X-band
pulse repetition time (PRT):
pulse repetition frequency (PRF): 500 or 2 000 Hz
pulsewidth (τ):
receiving time:
dead time:
peak power: 500 kW
average power: 500 W
instrumented range: 150 NM (≙ 275 km)
range resolution: 1.5 ft (≙ 0.46 m)
accuracy:
beamwidth: 2.4°
hits per scan:
antenna rotation: 6 … 150 rpm
MTBCF:
MTTR:

AN/APS-134

The AN/APS-134 “SeaVue” is an operating in the X-band fully coherent, search radar derived from the AN/APS-116 radar for international sales. It is designed for Antisubmarine Warfare (ASW) to detect submarine periscopes and antennas in rough seas. The system can also apply Inverse Synthetic Aperture Radar (ISAR) processing to identify surface-ship targets. The system’s scanner is mounted in a nose radome, and the radar is integrated with the aircraft’s data systems.

For navigation and surface search, the operator can select a high scan rate, high PRF, and pulse compression (τ= 2.5 ns) for high resolution of maritime targets. A relatively slow scan rate, low PRF, and frequency agility are used for long-range search and navigation. The transmitter uses a traveling wave tube (TWT) as a final amplifier stage. The antenna is a vertically polarized, heart-shaped parabolic dish with feed horn and pressurized waveguide.