Results 1 to 10 of about 16,242 (258)
Machine-learning-enabled metasurface for direction of arrival estimation. [PDF]
Nanophotonics, 2022 Metasurfaces, interacted with artificial intelligence, have now been motivating many contemporary research studies to revisit established fields, e.g., direction of arrival (DOA) estimation.
Huang M +6 more
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Enhancing Direction-of-Arrival Estimation with Multi-Task Learning. [PDF]
Sensors (Basel)There are numerous methods in the literature for Direction-of-Arrival (DOA) estimation, including both classical and machine learning-based approaches that jointly estimate the Number of Sources (NOS) and DOA.
Bianco S +5 more
europepmc +2 more sources
SPICE-ML Algorithm for Direction-of-Arrival Estimation. [PDF]
Sensors (Basel), 2019 Sparse iterative covariance-based estimation, an iterative direction-of-arrival approach based on covariance fitting criterion, can simultaneously estimate the angle and power of incident signal.
Zheng Y, Liu L, Yang X.
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Two-Stage Nested Array Direction of Arrival Estimation for Mixed Signals. [PDF]
Sensors (Basel), 2022 In this paper, a novel two-stage subspace-based direction of arrival (DOA) estimation algorithm with the nested array is proposed for mixed signals containing circular and non-circular ones.
Li W, Deng K.
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Direction-of-Arrival Estimation Methods in Interferometric Echo Sounding. [PDF]
Sensors (Basel), 2020 Nowadays, there are two leading sea sounding technologies: the multibeam echo sounder and the multiphase echo sounder (also known as phase-difference side scan sonar or bathymetric side scan sonar). Both solutions have their advantages and disadvantages,
Grall P, Kochanska I, Marszal J.
europepmc +2 more sources
Small Aperture Antenna Arrays for Direction of Arrival Estimation. [PDF]
Sensors (Basel)In this paper, we establish criteria for the design of small aperture antenna arrays for Direction of Arrival (DOA) estimation. We define a small aperture antenna array as one consisting of a few elements with an average interelement spacing less than or
Mehta KJ, Gupta IJ.
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A comprehensive review of metasurface-assisted direction-of-arrival estimation. [PDF]
NanophotonicsDirection of arrival (DoA) estimation is a key research focus in array signal processing, and numerous progressive direction-finding algorithms have already been developed.
Huang M +6 more
europepmc +2 more sources
Sensors, 2019 The traditional passive azimuth estimation algorithm using two hydrophones, such as cross-correlation time-delay estimation and cross-spectral phase estimation, requires a high signal-to-noise ratio (SNR) to ensure the clarity of the estimated target ...
Peng Li, Xinhua Zhang, Wenlong Zhang
doaj +3 more sources
Direction of Arrival Estimation Algorithm Based on Coprime Array [PDF]
Hangkong bingqi, 2023 The coprime array has attracted extensive attention because of its flexible antenna placement form and larger array aperture compared with the uniform array, which can obtain higher degrees of freedom and reduce the cost of hardware resources.
Liu Jianing, Si Weijian
doaj +1 more source
Computationally efficient direction of arrival estimation using adaptive grid selection
IET Radar, Sonar & Navigation, 2023 The authors propose a computationally efficient approach to estimate the directions of arrival of far‐field sources impinging on a sensor array. The proposed estimator is formed using a sparse reconstruction framework, employing a novel adaptive grid ...
Yanan Wu, Andreas Jakobsson, Lutao Liu
doaj +1 more source