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An L-Shaped Array With Nonorthogonal Axes—Its Cramér–Rao Bound for Direction Finding

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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… Click to show full 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.

Keywords: direction finding; direction; cram rao; rao bound; shaped array

Journal Title: IEEE Transactions on Aerospace and Electronic Systems
Year Published: 2018

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