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Proceedings Paper

Antenna phase center locations in tapered aperture subarrays
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Paper Abstract

Antenna apertures are often parsed into subapertures for Direction of Arrival (DOA) measurements. However, when the overall aperture is tapered for sidelobe control, the locations of phase centers for the individual subapertures are shifted due to the local taper of individual subapertures. Furthermore, individual subaperture gains are also affected. These non-uniform perturbations complicate DOA calculations. Techniques are presented to calculate subaperture phase center locations, and algorithms are given for equalizing subapertures’ gains.

Paper Details

Date Published: 12 May 2016
PDF: 12 pages
Proc. SPIE 9829, Radar Sensor Technology XX, 98291K (12 May 2016); doi: 10.1117/12.2214515
Show Author Affiliations
A. W. Doerry, Sandia National Labs. (United States)
D. L. Bickel, Sandia National Labs. (United States)

Published in SPIE Proceedings Vol. 9829:
Radar Sensor Technology XX
Kenneth I. Ranney; Armin Doerry, Editor(s)

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