Phased Subarray of the Low-Frequency Radio Telescope GURT as a Standalone Instrument for Radio Astronomy Studies
| Autor: | A. Coffre, Peter L. Tokarsky, D. V. Mukha, A. I. Myasoyed, I. P. Kravtsov, A. D. Khristenko, V. V. Zakharenko, G. Kvasov, A. S. Belov, Y. Vasylkivskyi, Aleksander Stanislavsky, V. Bortsov, L. Denis, S. V. Stepkin, V. A. Shepelev, M. V. Shevchuk, I. M. Bubnov, Julien N. Girard, S. N. Yerin, P. Zarka, Valentin Melnik, M. A. Sydorchuk, V. Kharlanova, D. Charier, O. M. Ulyanov, V. Lisachenko, M. M. Kalinichenko, A. Reznichenko, Mykhaylo Panchenko, V. V. Dorovskyy, Helmut O. Rucker, Alexandr A. Konovalenko, A. I. Shevtsova |
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| Přispěvatelé: | Laboratoire d'études spatiales et d'instrumentation en astrophysique (LESIA (UMR_8109)), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Unité Scientifique de la Station de Nançay (USN), Observatoire des Sciences de l'Univers en région Centre (OSUC), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université d'Orléans (UO)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de physique subatomique et des technologies associées (SUBATECH), Université de Nantes - UFR des Sciences et des Techniques (UN UFR ST), Université de Nantes (UN)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT), Astrophysique Interprétation Modélisation (AIM (UMR7158 / UMR_E_9005 / UM_112)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Beamforming
Computer science business.industry Antenna aperture Electrical engineering Astrophysics::Instrumentation and Methods for Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics Low frequency Directivity Radio telescope [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det] Antenna (radio) business Digital signal processing Radio astronomy |
| Zdroj: | IEEE Xplore 2020 IEEE Ukrainian Microwave Week 2020 IEEE Ukrainian Microwave Week, Sep 2020, Kharkiv, Ukraine. ⟨10.1109/ukrmw49653.2020.9252788⟩ |
| DOI: | 10.1109/ukrmw49653.2020.9252788⟩ |
| Popis: | International audience; Cutting edge astrophysical studies require more and more observing time at low-frequency radio telescopes, which is limited and quite expensive. Modern digital signal processing systems still unable to provide affordable computational and storage resources to allow simultaneous beamforming in a wide frequency range for multiple studies. Low-frequency radio telescopes of a new generation are very flexible and could be split into subarrays or groups of subarrays for some studies which do not require large antenna effective area and high directivity. In this paper we make a survey of astrophysical studies in the frequency range 8-80 MHz using a rather small part of the low-frequency radio telescope GURT - the subarray of 25 active antennas. |
| Databáze: | OpenAIRE |
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