A Fast and Exact w-stacking and w-projection Hybrid Algorithm for Wide-field Interferometric Imaging

The standard wide-field imaging technique, the w-projection, allows correction for wide fields of view for non-coplanar radio interferometric arrays. However, calculating exact corrections for each measurement has not been possible due to the amount of computation required at high resolution and wit...

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Veröffentlicht in:	The Astrophysical journal 2019-04, Vol.874 (2), p.174
Hauptverfasser:	Pratley, Luke, Johnston-Hollitt, Melanie, McEwen, Jason D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Algorithms Arrays Astrophysics Computing costs Forecasting Image reconstruction Interferometry Kernels Mathematical analysis methods: data analysis Quadratures Radio interferometers Stacking techniques: image processing techniques: interferometric
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