PoS - Proceedings of Science
Volume 425 - The Multifaceted Universe: Theory and Observations - 2022 (MUTO2022) - Astronomical instruments and methods
Digital methods of RFI mitigation in radio astronomy
M.K. Lebedev*, N.E. Ovchinnikova, V.M. Bogod, A.M. Ripak and A.A. Storozhenko
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Pre-published on: September 17, 2022
Published on:
Abstract
We describe a new spectropolarimetric receiving complex for solar observations with the RATAN-600 radio telescope in the decimeter wavelength range. The use of a high-speed ADC and FPGA-based design of the DSP section made possible the direct detectorless reception and processing of radio frequency signals. The complex makes use of a method of radio frequency interference (RFI) mitigation based on the statistical properties of the received noise signal. We provide a brief description of the method, as well as details of the receiving system design, and give an example of the handling of data obtained from solar observations.
DOI: https://doi.org/10.22323/1.425.0006
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