Efficient calibration of radio interferometers using block LDU decomposition

AM Sardarabadi, AJ van der Veen… - 2018 26th European …, 2018 - ieeexplore.ieee.org
Having an accurate calibration method is crucial for any scientific research done by a radio
telescope. The next generation radio telescopes such as the Square Kilometre Array (SKA) …

Beam Shape Calibration for Multi-Beam Radio Astronomical Phased Arrays

SJ Wijnholds - 2018 26th European Signal Processing …, 2018 - ieeexplore.ieee.org
The ability of phased array systems to form multiple beams simultaneously holds great
promise to revolutionise radio astronomy by enlarging the instantaneous sky coverage …

Calibration Systematics in the Search for Cosmic Reionisation

RC Joseph - 2020 - espace.curtin.edu.au
The Epoch of Reionisation (EoR) holds the key to our understanding of the first luminous
sources in the Universe. The latest generation of low frequency radio interferometers have …

SAGECal performance with large sky models

H Spreeuw, S Yatawatta, B van Werkhoven… - arXiv preprint arXiv …, 2020 - arxiv.org
As astronomical instruments become more sensitive, the requirements for the calibration
software become more stringent; without accurate calibration solutions, thermal noise levels …

Effects of model incompleteness on the drift-scan calibration of radio telescopes

JN Hewitt - 2021 - dspace.mit.edu
Precision calibration poses challenges to experiments probing the redshifted 21-cm signal
of neutral hydrogen from the Cosmic Dawn and Epoch of Reionization (z∼ 30–6). In both …

[PDF][PDF] The LOFAR Two Meter Sky Survey: Deep Fields

C Tasse, T Shimwell, MJ Hardcastle, SP O'Sullivan… - 2020 - researchgate.net
ABSTRACT The Low Frequency Array (LOFAR) is an ideal instrument to conduct deep
extragalactic surveys. It has a large field of view and is sensitive to large scale and compact …

Scaling performance of the SAGECal calibration package: from LOFAR to SKA

JN Spreeuw, S Yatawatta… - … Symposium of the …, 2020 - ieeexplore.ieee.org
This decade, the Square Kilometre Array (SKA) will perform its first observations.
Preparations for building dishes, antennas, correlators and infrastructure are well underway …

[PDF][PDF] Where leaders learn

UAM Sob - 2020 - core.ac.uk
Abstract The forthcoming Square Kilometre Array is expected to provide answers to some of
the most intriguing questions about our Universe. However, as it is already noticeable from …

[引用][C] Improved upper limits on the 21 cm signal power spectrum of neutral hydrogen at z≈ 9.1 from LOFAR

A Ghosh, FG Mertens, M Mevius - 2020 - Oxford University Press

Application design for execution framework

Y Mei, R Tobar, C Wu, H Deng, S Wei, F Wang - Big Data in Astronomy, 2020 - Elsevier
The execution framework would significantly decrease the operation costs and improve the
execution performance, but developing applications of the execution framework is not an …