Coherent Source Enumeration With Compact ULAs

Source enumeration typically relies on subspace-based techniques that require accurate separation of signal and noise subspaces. However, prior works do not address coherent sources in small uniform linear arrays, where ambiguities arise in the spatial spectrum. We address this by decomposing the fo...

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Bibliographic Details
Published in:	IEEE signal processing letters Vol. 32; pp. 3077 - 3081
Main Authors:	Sil, Dibakar, Krishnan, Sunder Ram, Mishra, Kumar Vijay
Format:	Journal Article
Language:	English
Published:	New York IEEE 2025 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Convexity Covariance matrices Covariance matrix Direction-of-arrival estimation Elliptopes Enumeration Estimation Linear arrays Matrix decomposition Noise Optimization rank constraint Sensor arrays Sensors smoothing Smoothing methods source enumeration Subspaces ULA Vectors
ISSN:	1070-9908, 1558-2361
Online Access:	Get full text
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