An L-shaped Array with Non-Orthogonal Axes – Its Cramer-Rao Bound for Direction Finding
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Date
2017-08
Journal Title
Journal ISSN
Volume Title
Publisher
IEEE
Abstract
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.
Description
Keywords
Legged locomotion, Sensor arrays, Estimation, Manifolds, Covariance matrices