J. G. bij de Vaate, D. B. Davidson adn S. J. Wijnholds, "Regular Sparse Arrays: the Impact of Grating Lobes on Radio Astronomical Observations" URSI Atlantic Radio Science Conference (AT-RASC), Gran Canaria (Spain), 28 May - 1 June 2018.

abstract:
Large radio astronomy array systems can potentially be realized cost effectively when built with sparse-regular antenna arrays, a concept which is traditionally avoided due to the presence of grating lobes. This paper discusses the impact of grating lobes on the system performance of an aperture array radio telescope.

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