Floating Swarm Concept For Passive Bi-static SAR Satellites

Conference: EUSAR 2018 - 12th European Conference on Synthetic Aperture Radar
06/04/2018 - 06/07/2018 at Aachen, Germany

Proceedings: EUSAR 2018

Pages: 6Language: englishTyp: PDF

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Mittermayer, Josef; Krieger, Gerhard (Microwaves and Radar Institute, German Aerospace Center (DLR), Germany)

The floating swarm concept is presented by means of an example with one transmit and 20 small receive-only SAR satellites. The receive antenna size of each satellite is less than 1 m2. The real swarm with its position variations is approximated to an equivalent swarm with ideal positions for the formation of a swarm elevation antenna. A 50 km ground swath is obtained with 1 m resolution by on-ground SCORE. The achievable SAR performance is estimated and opportunities for interferometry and other SAR techniques are outlined.