Results 1 to 10 of about 2,143 (164)

I. S. SHKLOVSKY AND LOW-FREQUENCY RADIO ASTRONOMY [PDF]

Radio Physics and Radio Astronomy, 2017
Purpose: Proving of the high astrophysical significance of the low-frequency radio astronomy (decameter and adjacent hectometer and meter wavelengths), demonstration of the priority results of the Ukrainian low-frequency radio astronomy as well as ...
A. A. Konovalenko
doaj   +2 more sources

Performance of the Sardinia Radio Telescope Using the Dual-Polarized Cryogenic C-Low Receiver in the 4.2–5.6 GHz Frequency Band [PDF]

Sensors
The Sardinia Radio Telescope (SRT) is an Italian antenna utilized for scientific research in the field of radio astronomy across a broad frequency range from 300 MHz to 116 GHz. Among the various cryogenic receivers installed on SRT, the dual-polarized C-
Luca Schirru, Elise Egron, Adelaide Ladu, Francesco Gaudiomonte, Alessandro Attoli, Alessandro Cabras, Giuseppe Carboni, Francesca Loi, Paolo Marchegiani, Marco Marongiu, Sara Mulas, Matteo Murgia, Mauro Pili, Alberto Pellizzoni, Sergio Poppi, Fabio Schirru, Valentina Vacca   +16 more
doaj   +2 more sources

Square Kilometre Array Enhancement: A Convex Programming Approach to Optimize SKA-Low Stations in the Case of Perturbed Vogel Layout [PDF]

Sensors
This study presents a convex optimization framework for beam synthesis in Square Kilometre Array low-frequency radio telescope stations configured in a sunflower-like layout.
Giada Maria Battaglia, Giuseppe Caruso, Pietro Bolli, Roberta Palmeri, Andrea Francesco Morabito   +4 more
doaj   +2 more sources

MASER: A Science Ready Toolbox for Low Frequency Radio Astronomy

Data Science Journal, 2020
MASER (Measurements, Analysis, and Simulation of Emission in the Radio range) is a comprehensive infrastructure dedicated to time-dependent low frequency radio astronomy (up to about 50 MHz). The main radio sources observed in this spectral range are the
Baptiste Cecconi, Alan Loh, Pierre Le Sidaner, Renaud Savalle, Xavier Bonnin, Quynh Nhu Nguyen, Sonny Lion, Albert Shih, Stéphane Aicardi, Philippe Zarka, Corentin Louis, Andrée Coffre, Laurent Lamy, Laurent Denis, Jean-Mathias Grießmeier, Jeremy Faden, Chris Piker, Nicolas André, Vincent Génot, Stéphane Erard, Joseph N. Mafi, Todd A. King, Jim Sky, Markus Demleitner   +23 more
doaj   +6 more sources

THE FOUNDER OF THE DECAMETER RADIO ASTRONOMY IN UKRAINE ACADEMICIAN OF NAS OF UKRAINE SEMEN YAKOVYCH BRAUDE IS 110 YEARS OLD: HISTORY OF CREATION AND DEVELOPMENT OF THE NATIONAL EXPERIMENTAL BASE FOR THE LAST HALF CENTURY [PDF]

Radio Physics and Radio Astronomy, 2021
Purpose: A historical review of the experimental baselopment of low-frequency radio astronomy in Ukraine, its foundation half a century ago by an outstanding scientist S.Ya. Braude to the current state.
O. O. Konovalenko, V. V. Zakharenko, L. M. Lytvynenko, O. M. Ulyanov, M. A. Sidorchuk, S. V. Stepkin, V. A. Shepelev, P. Zarka, H. O. Rucker, A. Lecacheux, M. Panchenko, Yu. M. Bruck, P. L. Tokarsky, I. M. Bubnov, S. M. Yerin, V. L. Коliadin, V. M. Melnik, M. M. Kalinichenko, O. O. Stanislavsky, V. V. Dorovskyy, O. D. Khristenko, V. V. Shevchenko, O. S. Belov, A. O. Gridin, O. V. Antonov, V. P. Bovkun, O. M. Reznichenko, V. M. Bortsov, G. V. Kvasov, L. M. Ostapchenko, M. V. Shevchuk, V. A. Shevchenko, Ya. S. Yatskiv, I. B. Vavilova, I. S. Braude, Y. G. Shkuratov, V. B. Ryabov, G. I. Pidgorny, A. G. Tymoshevsky, O. O. Lytvynenko, V. V. Galanin, M. I. Ryabov, A. I. Brazhenko, R. V. Vashchishin, A. V. Frantsuzenko, V. V. Koshovyy, O. L. Ivantyshyn, A. B. Lozinsky, B. S. Kharchenko, I. Y. Vasylieva, I. P. Kravtsov, Y. V. Vasylkivsky, G. V. Litvinenko, D. V. Mukha, N. V. Vasylenko, A. I. Shevtsova, A. P. Miroshnichenko, N. V. Кuhai, Ya. M. Sobolev, N. O. Tsvyk   +59 more
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PROGRESS IN THE STUDY OF DECAMETER-WAVELENGTH SOLAR RADIO EMISSION WITH UKRAINIAN RADIO TELESCOPES. Part 2 [PDF]

Radio Physics and Radio Astronomy, 2023
Subject and Purpose. This part of the paper continues presentation of results of the solar radio emission studies performed with Ukrainian radio telescopes over the past 20 years.
A. A. Stanislavsky, A. A. Koval, I. N. Bubnov, A. I. Brazhenko   +3 more
doaj   +1 more source

INVESTIGATIONS OF COSMIC SOURCES RADIOEMISSION SCINTILLATIONS DUE TO INTERPLANETARY PLASMA IRREGULARITIES AT THE INSTITUTE OF RADIO ASTRONOMY, NAS UKRAINE [PDF]

Radio Physics and Radio Astronomy, 2021
Purpose: Review of investigations of cosmic sources radioemission scintillations due to interplanetary plasma irregularities made at the Institute of Radio Astronomy of the National Academy of Sciences of Ukraine, from the first observations in the mid ...
M. M. Kalinichenko, N. V. Kuhai, O. O. Konovalenko, A. I. Brazhenko, I. M. Bubnov, S. M. Yerin, H. O. Rucker, P. Zarka, A. Lecacheux, O. L. Ivantyshyn, O. O. Lytvynenko, O. I. Romanchuk, A. V. Frantsuzenko   +12 more
doaj   +1 more source

INVESTIGATION OF THE UNIVERSE BY THE LOW-FREQUENCY RADIO ASTRONOMY METHODS IN UKRAINE (According to the report on the XI All-Ukrainian Festival of Science of 18 May 2017, Kyiv) [PDF]

Radio Physics and Radio Astronomy, 2018
Purpose: overview of the main results of half a century activities of Ukraine (with emphasis on the last decade) in the field of decameter radio astronomy, presenting a number of astrophysical discoveries in the study of the Solar system, Galaxy and ...
A. A. Konovalenko
doaj   +1 more source

The study on the effect of population density on radio frequency interference (RFI) analysis on dynamic spectrum at selected CALLISTO stations

Physical Sciences and Technology, 2021
Radio Frequency Interference (RFI) has become a critical issue in radio astronomy observation in recent years. Compact Astronomical Low-Cost Instrument for Spectroscopy in Transportable Observatories (CALLISTO) is a worldwide network of spectrometer ...
Z. N Zainud-din, N. H Sabri, R. Umar, C. Monstein   +3 more
doaj   +3 more sources

Investigation of the Sudden Solar Ionospheric Disturbance using Radio Telescope [PDF]

EPJ Web of Conferences, 2020
Low-frequency radio telescopes are cheap and useful devices for the investigation of terrestrial and extra-terrestrial emissions. These emissions come either from the Sun and the planet Jupiter to terrestrial emissions.
Aqasha Adam, Zheng Andrien, Athreya Sneha, Tan Hoe Teck   +3 more
doaj   +1 more source