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Electronics 2017, 6(3), 59; doi:10.3390/electronics6030059

Space Debris Detection in Low Earth Orbit with the Sardinia Radio Telescope

Department of Electrical and Electronic Engineering, University of Cagliari, Piazza D’Armi, 09123 Cagliari, Italy
National Institute for Astrophysics, Cagliari Astronomical Observatory, Via della Scienza 5, 09047 Selargius, Italy
Italian Space Agency, 00133 Rome, Italy
Author to whom correspondence should be addressed.
Received: 14 July 2017 / Revised: 9 August 2017 / Accepted: 12 August 2017 / Published: 14 August 2017
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Space debris are orbiting objects that represent a major threat for space operations. The most used countermeasure to face this threat is, by far, collision avoidance, namely the set of maneuvers that allow to avoid a collision with the space debris. Since collision avoidance is tightly related to the knowledge of the debris state (position and speed), the observation of the orbital debris is the key of the problem. In this work a bistatic radar configuration named BIRALET (BIstatic RAdar for LEO Tracking) is used to detect a set of space debris at 410 MHz, using the Sardinia Radio Telescope as the receiver antenna. The signal-to-noise ratio, the Doppler shift and the frequency spectrum for each debris are reported. View Full-Text
Keywords: space debris; Sardinia Radio Telescope; Doppler radar space debris; Sardinia Radio Telescope; Doppler radar

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Muntoni, G.; Schirru, L.; Pisanu, T.; Montisci, G.; Valente, G.; Gaudiomonte, F.; Serra, G.; Urru, E.; Ortu, P.; Fanti, A. Space Debris Detection in Low Earth Orbit with the Sardinia Radio Telescope. Electronics 2017, 6, 59.

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