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A Royal Air Force Boeing E-3 Sentry over North Yorkshire. An airborne early warning and control (AEW&C) system is an airborne radar early warning system designed to detect aircraft, ships, vehicles, missiles and other incoming projectiles at long ranges, as well as performing command and control of the battlespace in aerial engagements by informing and directing friendly fighter and attack ...
An early-warning radar is any radar system used primarily for the long-range detection of its targets, i.e., allowing defences to be alerted as early as possible before the intruder reaches its target, giving the air defences the maximum time in which to operate.
The Westinghouse radar used a pipelined fast Fourier transform (FFT) to digitally resolve 128 Doppler frequencies, while Hughes's radars used analog filters based on the design for the F-15. Westinghouse's engineering team won this competition by using a programmable 18- bit computer whose software could be modified before each mission.
AN/APN-77 Doppler radar set in SZ-1B, USN helicopters; AN/APN-78 Doppler radar set for helicopters; AN/APN-79 Doppler radar set by Teledyne for helicopters; AN/APN-81 Doppler radar set for RB/WB-66 WB-50 C-130 and KC-135; AN/APN-82 improved AN/APN-81 (with integration of AN/ASN-6); for EB/RB/WB-66 and KC-135; AN/APN-85 navigation radar by ...
The Ballistic Missile Early Warning System (BMEWS) was a radar system built by the United States (with the cooperation of Canada and Denmark on whose territory some of the radars were sited) during the Cold War to give early warning of a Soviet intercontinental ballistic missile (ICBM) nuclear strike, to allow time for US bombers to get off the ground and land-based US ICBMs to be launched, to ...
Weibel Scientific is a Danish engineering company that has specialised in the design and manufacture of doppler radar systems. It has been in operation since 1936, originally being named M. P. Weibel and having worked as an electronics business throughout the firm's existence. Since the 1970s, the company has focused on becoming a specialised ...
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The Erieye AEW&C mission system radar is an active, phased-array, pulse-doppler sensor that can feed an onboard operator architecture or downlink data, via an associated datalink subsystem, to a ground-based air defence network. The system employs a large aperture, dual-sided antenna array housed in a dorsal 'plank' fairing.