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Article Dans Une Revue Comptes Rendus. Physique Année : 2012

Blind detection of giant pulses: GPU implementation

Résumé

Radio astronomical pulsar observations require specific instrumentation and dedicated signal processing to cope with the dispersion caused by the interstellar medium. Moreover, the quality of observations can be limited by radio frequency interference (RFI) generated by Telecommunications activity. This article presents the innovative pulsar instrumentation based on graphical processing units (GPU) which has been designed at the Nançay Radio Astronomical Observatory. In addition, for giant pulsar search, we propose a new approach which combines a hardware-efficient search method and some RFI mitigation capabilities. Although this approach is less sensitive than the classical approach, its advantage is that no a priori information on the pulsar parameters is required. The validation of a GPU implementation is under way.
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Dates et versions

hal-00669698 , version 1 (14-02-2012)

Licence

Paternité - Pas d'utilisation commerciale - Pas de modification

Identifiants

Citer

Dalal Ait-Allal, Rodolphe Weber, Cedric Dumez-Viou, Ismaël Cognard, Gilles Theureau. Blind detection of giant pulses: GPU implementation. Comptes Rendus. Physique, 2012, 13 (1), pp.80-87. ⟨10.1016/j.crhy.2011.10.009⟩. ⟨hal-00669698⟩
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