Experimental Verification of the Concept of Using LOFAR Radio-Telescopes as Receivers in Passive Radiolocation Systems

The paper presents a new idea of using a low-frequency radio-telescope belonging to the LOFAR network as a receiver in a passive radar system. The structure of a LOFAR radio-telescope station is described in the context of applying this radio-telescope for detection of aerial (airplanes) and space (...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2021-03, Vol.21 (6), p.2043
Main Authors: Kłos, Julia, Jędrzejewski, Konrad, Droszcz, Aleksander, Kulpa, Krzysztof, Pożoga, Mariusz, Misiurewicz, Jacek
Format: Article
Language:English
Subjects:
Antennas
bistatic radar
Cosmic rays
Data processing
Experiments
Illuminators
LF radio
LOFAR
passive coherent localization
passive radar
Radar equipment
Radio astronomy
Radio broadcasting
Radio telescopes
radio-telescope
radiolocation
Receivers & amplifiers
Signal processing
Telescopes
Transmitters
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Summary:The paper presents a new idea of using a low-frequency radio-telescope belonging to the LOFAR network as a receiver in a passive radar system. The structure of a LOFAR radio-telescope station is described in the context of applying this radio-telescope for detection of aerial (airplanes) and space (satellite) targets. The theoretical considerations and description of the proposed signal processing schema for the passive radar based on a LOFAR radio-telescope are outlined in the paper. The results of initial experiments verifying the concept of a LOFAR station use as a receiver and a commercial digital radio broadcasting (DAB) transmitters as illuminators of opportunity for aerial object detection are presented.
ISSN:1424-8220
1424-8220
DOI:10.3390/s21062043