31 January 2022 Assessment of the performance impact of direction-independent effects in the Square Kilometre Array
Bassem Alachkar, Peter Dewdney, Luca Stringhetti, Songlin Chen, Keith Grainge, Maria Grazia Labate, Aniket Hendre, Alice Pellegrini, Jayashree Roy, Gerhard Swart, Mark Waterson
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Abstract

We present the main performance aspects of the sensitivity and dynamic range of the Square Kilometre Array (SKA). The sensitivity and dynamic range of a radio astronomy interferometer are affected by different sources of errors and noises. A general description of these effects is given, focusing on the direction-independent effects.

© 2022 Society of Photo-Optical Instrumentation Engineers (SPIE) 2329-4124/2022/$28.00 © 2022 SPIE
Bassem Alachkar, Peter Dewdney, Luca Stringhetti, Songlin Chen, Keith Grainge, Maria Grazia Labate, Aniket Hendre, Alice Pellegrini, Jayashree Roy, Gerhard Swart, and Mark Waterson "Assessment of the performance impact of direction-independent effects in the Square Kilometre Array," Journal of Astronomical Telescopes, Instruments, and Systems 8(1), 011020 (31 January 2022). https://doi.org/10.1117/1.JATIS.8.1.011020
Received: 31 August 2021; Accepted: 7 January 2022; Published: 31 January 2022
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KEYWORDS
Signal to noise ratio

Visibility

Quantization

Calibration

Interference (communication)

Receptors

Signal attenuation

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