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Spatial aliasing for near-field sensor arrays

Abhayapala, Thushara; Kennedy, Rodney; Williamson, Robert


An investigation is presented into the presence of spatial aliasing due to the operation of a linear array in the near-field. It shows that the standard half wavelength sensor spacings rule, which guarantees that no aliasing will occur in the operation of far-field arrays, is not sufficient to prevent aliasing in the near-field. This claim is justified by theoretical considerations and corroborated by simulation results.

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Electronics Letters
DOI: 10.1049/el:19990561


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