Complex gain calibration in 'hybrid' low-frequency aperture arrays: An array prototype and the Murchison Widefield Array
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Sutinjo, Adrian
Wayth, Randall
Padhi, S.
Colegate, T.
Hall, Peter
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2015Type
Conference Paper
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Sutinjo, A. and Wayth, R. and Padhi, S. and Colegate, T. and Hall, P. 2015. Complex gain calibration in 'hybrid' low-frequency aperture arrays: An array prototype and the Murchison Widefield Array, in Proceedings of the Radio Science Meeting 2015 USNC-URSI, Jul 19-24 2015, pp. 364. Vancouver: IEEE.
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2015 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium), USNC-URSI 2015 - Proceedings
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Department of Electrical and Computer Engineering
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Abstract
© 2015 IEEE. Complex gain calibration is a process which solves and corrects for the composite effects of the unknown electronic and antenna gains from the uncalibrated cross-correlation products ('visibilities') in radio interferometry. The resulting calibrated visibilities form the basis for astronomical post-processing such as imaging and telescope sensitivity measurements. Clearly, complex gain calibration is an essential prerequisite step.
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