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3-D Mixed Far-field and Near-field Sources Localization with Cross Array by Wu, Xiaohuan; Yan, Jun is a Engineering article available to read on EtoBox.

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This correspondence proposes a localization method for mixed far-field (FF) and near-field (NF) sources based on cross arrays where two-dimensional (2-D) direction-of-arrival (DOA) and range estimation are considered. For 2-D DOA estimation, we first construct a range-free cumulant-based vector and employ the covariance matching criterion and Vandermonde decomposition theorem to retrieve DOA information. We then build a sparse model with respect to range parameter and solve an l1-norm minimization problem to obtain range estimates. Our method enjoys the following advantages: 1) our method can locate mixed FF and NF sources; 2) the azimuth, elevation and range can be automatically paired; 3) array aperture loss can be avoided. Simulation results show the effectiveness of our method.

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Author

Wu, Xiaohuan; Yan, Jun

Publisher

IEEE; Institute of Electrical and Electronics Engineers; Institute of Electrical and Electronics Engineers (IEEE) (ISSN 0018-9545)

Published

2020

Language

EN

Field

Engineering (Physical Sciences)