Results 211 to 220 of about 1,099,186 (283)

Dynamic modeling of the Stewart platform for the NanShan Radio Telescope

Advances in Mechanical Engineering, 2020
The NanShan Radio Telescope is a 26-m fully steerable radio telescope, and it adopts a 6-UPU Stewart platform with electric motors to adjust and align the position of the subreflector.
Guljaina Kazezkhan, B. Xiang, Na Wang, A. Yusup   +3 more
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Passive Multistatic Localization of Space Objects using LOFAR Radio Telescope

Radar, 2023
The paper presents the idea and results of the experimental trials devoted to passive multistatic observation of space objects in low-Earth orbits employing an astronomical LOFAR (LOw-Frequency ARray) radio telescope as a surveillance receiver ...
K. Jędrzejewski, M. Malanowski, M. Płotka, M. Pożoga, K. Kulpa   +4 more
semanticscholar   +1 more source

Passive Space Object Observation using LOFAR Radio Telescope and Software-defined Radio Receiver

European Radar Conference, 2022
The paper shows the first results of experiments on the passive coherent location of space objects using a LOFAR radio telescope and a simple universal software-defined radio receiver (USRP).
K. Jędrzejewski, M. Malanowski, K. Kulpa, P. Krysik, M. Pożoga   +4 more
semanticscholar   +1 more source

Experimental Trials of Space Object Detection using LOFAR Radio Telescope as a Receiver in Passive Radar

International Radar Conference, 2022
The paper presents the results of the first measurements devoted to the experimental verification of the capability of space object detection by passive radar system using astronomical LOFAR (LOw-Frequency ARray) radio telescopes as receivers and DAB ...
K. Jędrzejewski, K. Kulpa, M. Malanowski, M. Pożoga   +3 more
semanticscholar   +1 more source

Conceptual Design of the Lunar Crater Radio Telescope (LCRT) on the Far Side of the Moon

IEEE Aerospace Conference, 2021
An ultra-long-wavelength radio telescope on the far side of the Moon has significant advantages compared to Earth-based and Earth-orbiting telescopes, including: 1.
Saptarshi Bandyopadhyay, P. McGarey, A. Goel, Ramin Rafizadeh, Mélanie Delapierre, Manan Arya, J. Lazio, P. Goldsmith, N. Chahat, A. Stoica, M. Quadrelli, I. Nesnas, K. Jenks, G. Hallinan   +13 more
semanticscholar   +1 more source

Passive Radar Based on LOFAR Radio Telescope for Air and Space Target Detection

International Radar Conference, 2021
this paper presents the concept of using the low-frequency array (LOFAR) radio telescope receiver for passive detection of air and space targets using illuminators of opportunity.
M. Malanowski, K. Jędrzejewski, J. Misiurewicz, K. Kulpa, A. Gromek, Julia Klos, Aleksander Droszcz, M. Pożoga   +7 more
semanticscholar   +1 more source

The high-frequency upgrade of the Sardinia Radio Telescope

URSI General Assembly and Scientific Symposium, 2021
We present the status of the Sardinia Radio Telescope (SRT) and its forthcoming update planned in the next few years. The post-process scenario of the upgraded infrastructure will allow the national and international scientific community to use the SRT ...
F. Govoni, P. Bolli, F. Buffa, L. Caito, E. Carretti, G. Comoretto, D. Fierro, A. Melis, M. Murgia, A. Navarrini, A. Orfei, A. Orlati, T. Pisanu, S. Poppi, A. Possenti, Alessandro Attoli, U. Becciani, C. Belli, Giuseppe Carboni Maria, T. Caria, A. Cattani, R. Concu, L. Cresci, A. Fara, F. Fiocchi, F. Gaudiomonte, A. Ladu, A. Maccaferri, S. Mariotti, P. Marongiu, C. Migoni, E. Molinari, M. Morsiani, R. Nesti, L. Olmi, I. Porceddu, S. Righini, P. Ortu, Stefano Palmas, M. Pili, A. Poddighe, M. Poloni, J. Roda, A. Scalambra, F. Schillirò, L. Schirru, G. Serra, R. Smareglia, G. Vargiu, Fabio R. Vitello   +49 more
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On the Possibility of Using LOFAR Radio Telescope for Passive Radiolocation

International Radar Symposium, 2020
The capability of passive radar employing radio telescope as a receiver and digital radio broadcasting (DAB+) as an illuminator of opportunity is analyzed in the paper.
Julia Klos, Aleksander Droszcz, K. Jędrzejewski, K. Kulpa, M. Pożoga   +4 more
semanticscholar   +1 more source

The Australian radio-telescope

Astrophysics and Space Science, 1986
A large synthesis radio telescope is under construction in Australia at a cost of $A 30.7million. In comprises a 6 km-long ‘compact array’ of 22 m antenna at Culgoora and a ‘long baseline array’ of 319 km, achieved by adding another 22 m antenna near Coonabarabran and the existing 64 m antennae at Parkes.
openaire   +1 more source

Radio Telescopes

2013
© Springer Science+Business Media Dordrecht 2013.Radio Telescopes starts with a brief historical introduction from Jansky’s1931 discovery of radio emission from the Milky Way through the development ofradio telescope dishes and arrays to aperture synthesis imaging.
Ekers, Ronald, Wilson, T.
openaire   +2 more sources