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Proceedings Paper

Robust power spectrum estimation in the presence of interferencies
Author(s): Peter A. Fridman
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Paper Abstract

A method of radio frequency interference (RFI) suppression in radio spectroscopy is described based on the analysis of the probability distribution of an instantaneous spectrum. This method allows the separation of the Gaussian component due to the natural radio emission and the non-Gaussian RFI signal. Examples are presented of computer simulations and of radio source observations with RFI suppression applied. The application of the real time digital signal processing for RFI suppression is shown to be an effective means for maintaining the sensitivity of radiometric measurements in radio spectroscopy, remote sensing, radio astronomy, etc.

Paper Details

Date Published: 26 November 2001
PDF: 12 pages
Proc. SPIE 4473, Signal and Data Processing of Small Targets 2001, (26 November 2001); doi: 10.1117/12.492794
Show Author Affiliations
Peter A. Fridman, ASTRON (Netherlands)

Published in SPIE Proceedings Vol. 4473:
Signal and Data Processing of Small Targets 2001
Oliver E. Drummond, Editor(s)

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