A Derivative-Based MUSIC Algorithm for Two-Dimensional Angle Estimation Employing an L-Shaped Array

Cai, Jingjing; Zhang, Huanyin; Liu, Wei; Tan, Fuwei; Dong, Yang‐Yang

doi:10.1109/isspit51521.2020.9408790

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2022

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“…By considering the covariance matrix and pseudo covariance matrix of the signals, the number of signals that can be estimated by the proposed algorithm is much higher than the number of sensors. As a special case, for the situation with circular signals only, the DM-MUSIC algorithm is developed as in our earlier published conference paper [26]. As the Cramer-Rao bound (CRB) provides an important benchmark for assessing the performance of various 2D DOA estimation algorithms [27], [28], the CRB for 2D DOA estimation for a mixture of circular and noncircular signals is derived following the approach in [29], which can handle the general underdetermined problem.…”

Section: Introductionmentioning

confidence: 99%