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200 papers

Antenna arrays have a long history of more than 100 years and have evolved closely with the development of electronic and information technologies, playing an indispensable role in wireless communications and radar. With the rapid…

Information Theory · Computer Science 2022-03-29 Zhenyu Xiao , Zhu Han , Arumugam Nallanathan , Octavia A. Dobre , Bruno Clerckx , Jinho Choi , Chong He , Wen Tong

The Square Kilometre Array (SKA) provides an excellent opportunity for low cost searches for fast radio transients. The increased sensitivity and field of view of the SKA compared with other radio telescopes will make it an ideal instrument…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 T. M. Colegate , N. Clarke

The future of cm and m-wave astronomy lies with the Square Kilometre Array (SKA), a telescope under development by a consortium of 17 countries that will be 50 times more sensitive than any existing radio facility. Most of the key science…

Cosmology and Nongalactic Astrophysics · Physics 2009-03-25 Simon Johnston , Ilana J. Feain , Neeraj Gupta

Low frequency imaging radio arrays such as MWA, LWA and LOFAR have been recently commissioned, and significantly more advanced and flexible arrays are planned for the near term. These powerful instruments offer new opportunities for direct…

Instrumentation and Methods for Astrophysics · Physics 2018-02-07 C. Lonsdale , L. Benkevitch , I. Cairns , M. Crowley , P. Erickson , M. Knapp , K. Kozarev , F. Lind , P. McCauley , J. Morgan , D. Oberoi

The Square Kilometre Array (SKA) project is an international effort to build the world's most sensitive radio telescope operating in the 50 MHz to 14 GHz frequency range. Construction of the SKA is divided into phases, with the first phase…

Instrumentation and Methods for Astrophysics · Physics 2018-08-15 Sascha Schediwy , David Gozzard

Radio-astronomy is about to embark on a new way of doing science. The revolution that is about to take place is not due to the enormous sensitivity of the Square Kilometre Array, which is still a decade away, but due to its pathfinders,…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Ray P. Norris

The Square Kilometre Array (SKA), with the aim of achieving a collecting area of one square kilometre, will be the world's largest radio telescope. A scientific collaboration between 12 countries (with more to join), it will consist of one…

Instrumentation and Methods for Astrophysics · Physics 2019-03-21 Cristina García-Miró , Antonio Chrysostomou , Zsolt Paragi , Ilse van Bemmel

The concept of a Square Kilometre Array was developed to ensure that progress in Radio Astronomy in the early 21st Century continued at the same impressive pace as was achieved during the first 50 years. The SKA telescope is designed to…

Instrumentation and Methods for Astrophysics · Physics 2012-12-11 Lisa Harvey-Smith

The Square Kilometre Array (SKA) is a radio telescope designed to operate between 70MHz and 10GHz. Due to this large bandwidth, the SKA will be built out of different collectors, namely antennas and dishes to cover the frequency range…

Instrumentation and Methods for Astrophysics · Physics 2012-01-04 Adam Gauci , Kristian Zarb Adami , John Abela , Babak E. Cohanim

The Square Kilometre Array (SKA) is intended as the next-generation radio telescope and will address fundamental questions in astrophysics, physics, and astrobiology. The international science community has developed a set of Key Science…

Instrumentation and Methods for Astrophysics · Physics 2009-10-06 Joseph Lazio

In this short paper we outline the case for a small radio telescope array in the southern hemisphere with operations dedicated to rapid follow-up and monitoring of astrophysical transients. We argue that the science harvest from such a…

Instrumentation and Methods for Astrophysics · Physics 2024-02-08 Rob Fender , Assaf Horesh , Phil Charles , Patrick Woudt , James Miller-Jones , Joe Bright

The Square Kilometre Array (SKA) project is an international effort to build the world's most sensitive radio telescope operating in the 50 MHz to 14 GHz frequency range. Construction of the SKA is divided into phases, with the first phase…

Instrumentation and Methods for Astrophysics · Physics 2018-07-31 Sascha Schediwy , David Gozzard

The Square Kilometre Array (SKA) will be both the largest radio telescope ever constructed and the largest Big Data project in the known Universe. The first phase of the project will generate on the order of 5 zettabytes of data per year. A…

Instrumentation and Methods for Astrophysics · Physics 2018-11-21 Jamie Farnes , Ben Mort , Fred Dulwich , Stef Salvini , Wes Armour

The Square Kilometre Array (SKA) is a proposed next generation radio telescope. Between now and 2005 this project is in a technology development and prototyping phase, with construction likely to begin in $\sim 2010$. This paper describes…

Astrophysics · Physics 2007-05-23 J. F. Bell

Digital radio arrays have become an effective tool to measure air showers at energies around and above 100 PeV. Compared to optical techniques, the radio technique is not restricted to clear nights. Thanks to recent progress on…

High Energy Astrophysical Phenomena · Physics 2022-04-28 Frank G. Schröder

Next-generation radio arrays, including the Square Kilometre Array (SKA) and its pathfinders, will open up new avenues for exciting transient science at radio wavelengths. Their innovative designs, comprising a large number of small…

Instrumentation and Methods for Astrophysics · Physics 2015-06-15 N. D. R. Bhat , J. N. Chengalur , P. J. Cox , Y. Gupta , J. Prasad , J. Roy , M. Bailes , S. Burke-Spolaor , S. S. Kudale , W. van Straten

High energy astrophysics has made good use of combined high energy (X-ray, gamma-ray) and radio observations to uncover connections between outbursts, accretion, particle acceleration and kinetic feedback to the local ambient medium. In the…

Astrophysics · Physics 2008-10-07 Rob Fender

Low-frequency radio observations have been expected to serve as a powerful tool for Space Weather (SW) observations for decades. Radio observations are sensitive to a wide range of SW-related observations ranging from emissions from coronal…

Solar and Stellar Astrophysics · Physics 2023-02-01 Devojyoti Kansabanik , Surajit Mondal , Divya Oberoi , Puja Majee