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2017 | OriginalPaper | Chapter

Methods of Registration of Weak Radio Signals

Authors : Stanislav Klimenko, Andrey Klimenko, Kira Konich, Igor Nikitin, Lialia Nikitina, Valery Malofeev, Sergey Tyul’bashev

Published in: Transactions on Computational Science XXIX

Publisher: Springer Berlin Heidelberg

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Abstract

In this paper we will consider a problem of registration of radio signals from distant sources, natural (pulsars) or artificial (SETI signals). These signals possess a number of common properties, i.e. they are weak, almost indistinguishable from the background noise, are strongly localized on celestial sphere, have spectral characteristics smeared by dispersion on interstellar medium and Doppler drift, suffer from near-Earth electromagnetic interference. In this paper we will overview existing methods for registration of such signals and discuss some alternatives. We implement selected methods as data filters connected to data processing workflow, with 3D Virtual Environment as a frontend, integrate the methods into a system for radio astronomical monitoring StarWatch and apply them for detection of pulsar signals from BSA telescope at Pushchino Radio Astronomy Observatory and narrow band signals in SETI database (setilive.org).

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Metadata
Title
Methods of Registration of Weak Radio Signals
Authors
Stanislav Klimenko
Andrey Klimenko
Kira Konich
Igor Nikitin
Lialia Nikitina
Valery Malofeev
Sergey Tyul’bashev
Copyright Year
2017
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-662-54563-8_3

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