Arcetri Astrophysical Observatory

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logosmallarcetri Arcetri Technical Reports 9/2011


Implementation and performance evaluation of a real time pulse blanker
for RFI mitigation in radio astronomy

A.Tani(1,2), G.Comoretto(1)

(1) INAF Osservatorio Astrofisico di Arcetri
(2) Università degli Studi di Firenze

Abstract

Impulsive Radio frequency Interference (RFI) could be a serious threat for observations in the radio astronomy bands, particularly for L-band spectroscopy. This report is focused on the implementation of a real time mitigation strategy based on temporal blanking. Furthermore, the implementation of a real time peak detector to identify the impulsive RFI is also discussed. Finally, to highlight the robustness of the proposed detector, its performance in term of detection probability and false alarm probability is reported under different operating conditions both theoretically and by simulations using a test signal generator.

Pdf version of this report