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A low-cost space-based radar system concept

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1 Author(s)
Curry, G.R. ; Sci. Applications Int. Corp., Goleta, CA, USA

A space-based radar system concept is described that can provide continuous world-wide, all-weather, day-night observation and tracking of ships, aircraft, vehicles and ground facilities of interest. The system employs a constellation of radar satellites in low-earth orbit to provide continuous world-wide target access. The radars employ reflector antennas, TWT transmitters and high frequency (e.g., X band) to achieve long range with relatively low weight, complexity and cost. The radars operate in moving-target-detection (MTD) and synthetic-aperture-radar (SAR) spotlight imaging modes to observe moving and fixed targets, respectively. The system could support a wide range of military, intelligence, law-enforcement and civilian missions

Published in:

Aerospace and Electronic Systems Magazine, IEEE  (Volume:11 ,  Issue: 9 )