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Rfi Mitigation Implementation For Pulsar Radioastronomy

Abstract : The observation of known pulsars (pulsar timing) or the search for new pulsars can be limited by radio frequency interference (RFI) generated by Telecommunications activity. In this paper we propose several RFI mitigation techniques to cope with impulsive and/or narrow band RFI. For pulsar timing, we have implemented, a pulse blanker and a cyclostationary blanker,both in real time. Exemple with real data are shown. For pulsar search, we propose a new approach which combines a hardware-efficient search method and some RFI mitigation capabilities. This method is based on a 2D FFT and Radon transform.
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https://hal.archives-ouvertes.fr/hal-00646290
Contributor : Rodolphe Weber <>
Submitted on : Tuesday, November 29, 2011 - 3:39:34 PM
Last modification on : Wednesday, October 14, 2020 - 4:13:06 AM
Long-term archiving on: : Monday, December 5, 2016 - 4:51:50 AM

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  • HAL Id : hal-00646290, version 1

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Dalal Ait-Allal, Rodolphe Weber, Cedric Dumez-Viou, Ismaël Cognard, Gilles Theureau. Rfi Mitigation Implementation For Pulsar Radioastronomy. EUSIPCO'10, Aug 2010, Aalborg, Denmark. pp.5. ⟨hal-00646290⟩

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