An L-shaped Array with Non-Orthogonal Axes – Its Cramer-Rao Bound for Direction Finding
Kitavi, Dominic M.
Wong, Kainam Thomas
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If a nominally L-shaped sensor-array's two legs are not exactly perpendicular, its azimuth-polar direction-of-arrival estimation would be degraded. This paper quantifies this degradation via a deterministic Cramér-Rao bound analysis of the direction-finding error variance.