Increasing data volumes delivered by a new generation of radio interferometers require
computationally efficient and robust calibration algorithms. In this paper, we propose …

The aim of the new generation of radio synthesis arrays such as LOw Frequency ARray
(LOFAR) and Square Kilometre Array (SKA) is to achieve much higher sensitivity, resolution …

It has recently been shown that radio interferometric gain calibration can be expressed
succinctly in the language of complex optimization. In addition to providing an elegant …

The new generation of radio synthesis arrays, such as Low Frequency Array and Square
Kilometre Array, have been designed to surpass existing arrays in terms of sensitivity …

Radio interferometric gain calibration can be biased by incomplete sky models and radio
frequency interference, resulting in calibration artefacts that can restrict the dynamic range of …

A major stage of radio interferometric data processing is calibration or the estimation of
systematic errors in the data and the correction for such errors. A stochastic error (noise) …

We present the E-field Parallel Imaging Calibration (EPICal) algorithm, which addresses the
need for a fast calibration method for direct imaging radio astronomy correlators. Direct …

The data reduction procedure for radio interferometers can be viewed as a combined
calibration and imaging problem. We present an algorithm that unifies cross-calibration, self …

Recent developments in optimization theory have extended some traditional algorithms for
least-squares optimization of real-valued functions (Gauss–Newton, Levenberg–Marquardt …

Radio Interferometry is an essential method for astronomical observations. Self-calibration
techniques have increased the quality of the radio astronomical observations (and hence …