Direction‐of‐arrival estimation using estimator banks in low‐angle tracking for S‐band radar
Sign Up to like & getrecommendations! Published in 2021 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.33020
Abstract: Tracking low‐angle targets over an uneven surface are challenging because of the highly correlated, complicated, and volatile multipath signals encountered in radar. Especially, in the context of irregular reflector modulated by rough sea, which results… read more here.
Keywords: estimator banks; band radar; estimation; direction arrival ... See more keywords
On Gridless Sparse Methods for Multi-snapshot Direction of Arrival Estimation
Sign Up to like & getrecommendations! Published in 2017 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-016-0462-9
Abstract: The authors have recently proposed two kinds of gridless sparse methods for direction of arrival estimation in the presence of multiple snapshots that exploit joint sparsity among the snapshots and completely resolve grid mismatches of… read more here.
Keywords: gridless; arrival estimation; multi snapshot; sparse methods ... See more keywords
Off-Grid Direction-of-Arrival Estimation Based on Steering Vector Approximation
Sign Up to like & getrecommendations! Published in 2019 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-018-0914-5
Abstract: In this paper, a novel off-grid direction-of-arrival (DOA) estimation algorithm is proposed based on steering vector approximation. The conventional multiple signal classification (MUSIC) technique estimates the DOA with a uniformly discretized grid by assuming that… read more here.
Keywords: estimation; direction arrival; vector approximation; grid direction ... See more keywords
Speaker Direction-of-Arrival Estimation Based on Orthogonal Dipoles
Sign Up to like & getrecommendations! Published in 2019 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-018-0976-4
Abstract: The small aperture microphone array becomes more and more popular in the consumer electronics. However, the small aperture usually limits the performance of the traditional DoA estimation methods. The differential microphone array (DMA) has attracted… read more here.
Keywords: estimation; direction arrival; doa; orthogonal dipoles ... See more keywords
Two-dimensional noisy autoregressive estimation with application to joint frequency and direction of arrival estimation
Sign Up to like & getrecommendations! Published in 2018 at "Multidimensional Systems and Signal Processing"
DOI: 10.1007/s11045-017-0539-z
Abstract: The present study addresses the problem of two-dimensional autoregressive estimation in the presence of additive white noise. The estimation method is based on combining the low-order and high-order Yule-Walker equations. The noise-compensated YW equations are… read more here.
Keywords: estimation; two dimensional; direction arrival; frequency direction ... See more keywords
Direction-of-Arrival Estimation Methods: A Performance-Complexity Tradeoff Perspective
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Signal Processing Systems"
DOI: 10.1007/s11265-019-01467-4
Abstract: This work analyses the performance-complexity tradeoff for different direction of arrival (DoA) estimation techniques. Such tradeoff is investigated taking into account uniform linear array structures. Several DoA estimation techniques have been compared, namely the conventional… read more here.
Keywords: direction arrival; estimation; performance complexity; complexity tradeoff ... See more keywords
Naked eye direction of arrival estimation with a Fresnel lens
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-06480-5
Abstract: Direction of arrival (DoA) estimation is of primary importance in a broad range of wireless applications, where electromagnetic waves play a role. While a vast majority of existing techniques is based on phase lag comparison… read more here.
Keywords: estimation; direction arrival; eye direction; naked eye ... See more keywords
Fine-grained azimuthal direction of arrival estimation using received signal strengths
Sign Up to like & getrecommendations! Published in 2017 at "Electronics Letters"
DOI: 10.1049/el.2017.0456
Abstract: We propose a direction of arrival (DoA) estimation technique, which is enabled by a single printed patch antenna capable of four reconfigurable beams at the operative frequency of 2.45 GHz. The direction of the messages… read more here.
Keywords: direction; estimation; fine grained; direction arrival ... See more keywords
Direction-of-Arrival Estimation With ULA: A Spatial Annihilating Filter Reconstruction Perspective
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2828799
Abstract: Direction-of-arrival (DOA) estimation under low signal-to-noise ratio (SNR) and snapshot deficient scenarios has practical application value. Since the array output of the uniform linear array (ULA) can be viewed as a linear combination of the… read more here.
Keywords: estimation; inline formula; direction arrival; filter ... See more keywords
Direction-of-Arrival Estimation via Coarray With Model Errors
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2873416
Abstract: Direction-of-Arrival (DoA) estimation with Coarray can resolve $O(\mathit {N^{2}})$ sources via only $O(N)$ physical sensor elements. When it comes to model errors, i.e., manual coupling, gain and/or phase errors, and sensor location errors, whether Coarray… read more here.
Keywords: estimation; direction arrival; calibration; tex math ... See more keywords
Experimental Study of Smoothing Modifications of the MUSIC Algorithm for Direction of Arrival Estimation in Indoor Environments
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3127861
Abstract: Nowadays, the Direction of Arrival (DoA) estimation problem attracts much attention because of emerging use cases for wireless networks. DoA is beneficial for Reconfigurable Intelligent Surfaces, indoor localization, and various navigation and sensing applications, such… read more here.
Keywords: music algorithm; smoothing modifications; modifications music; estimation ... See more keywords