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Spatial aliasing for near-field sensor arrays

Abhayapala, Thushara; Kennedy, Rodney; Williamson, Robert

Description

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
URI: http://hdl.handle.net/1885/91773
Source: Electronics Letters
DOI: 10.1049/el:19990561

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