8 August 2016 SRT as a receiver in a bistatic radar space debris configuration
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Abstract
Space debris is becoming a very important and urgent problem for present and future space activities. For that reason many public and private Institutions in the world are being involved in order to monitor and control the debris population increase and to understand which facilities can be used for improving the surveillance and tracking capabilities. In this framework in 2014 we performed some preliminary observations in a beam parking, CW mode and a bistatic configuration, with a transmitter of 4 kW of the Italian Air Force and the SRT (Sardinia Radio Telescope) a 64 meters radiotelescope used as a receiver. We performed the observations in P band at 410 MHz, receiving the signal diffused from some debris of different sizes and distances in LEO orbit, in order to understand the performances and capabilities of the system. In this article we will describe the results of this observations campaign, the simulation work done for preparing it, the RCS (radar cross section) observed, the level of the received signals, the Doppler measurements, and the work we are doing for developing a new and higher performing digital back end, able to process the data received.
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T. Pisanu, T. Pisanu, R. Concu, R. Concu, F. Gaudiomonte, F. Gaudiomonte, P. Marongiu, P. Marongiu, A. Melis, A. Melis, G. Serra, G. Serra, E. Urru, E. Urru, G. Valente, G. Valente, C. Portelli, C. Portelli, G. Muntoni, G. Muntoni, G. Bianchi, G. Bianchi, G. Comoretto, G. Comoretto, F. Dolce, F. Dolce, J. Paoli, J. Paoli, M. Reali, M. Reali, W. Villadei, W. Villadei, } "SRT as a receiver in a bistatic radar space debris configuration", Proc. SPIE 9906, Ground-based and Airborne Telescopes VI, 99060G (8 August 2016); doi: 10.1117/12.2231753; https://doi.org/10.1117/12.2231753
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