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Three-phase sample timing on a wideband triangular array of 4/3 the usual density reduces the Nyquist rate for far-field signals by two thirds

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1 Author(s)
J. O. Coleman ; Radar Div., Naval Res. Lab., USA

RF-sampled microwave arrays are often limited by the analog-digital conversion speed available. Here the nominally required speed is reduced by a factor of three without aliasing of far-field plane-wave information by using three sample-timing phases on a triangular planar array with 4/3 the element density of the usual "optimal" element layout.

Published in:

Signals, Systems and Computers, 2004. Conference Record of the Thirty-Eighth Asilomar Conference on  (Volume:1 )

Date of Conference:

7-10 Nov. 2004