Results 1 to 10 of about 166,282,209 (237)
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 Min +6 more
doaj +2 more sources
High-Precision Fast Direction-of-Arrival Estimation Method for Planar Array
Space: Science & Technology, 2023 The multiple signal classification method for direction-of-arrival estimation is widely applied in practical scenarios. However, the multiple signal classification method with planar array requires 2-dimensional on-grid spectrum searches, which would ...
Shuai Li +6 more
doaj +2 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
IET Radar, Sonar & Navigation, 2023 Direction‐of‐arrival (DOA) estimation methods for wideband linear frequency modulated (LFM) signals based on fractional Fourier transform (FRFT) typically use the single snapshot vector in the fractional Fourier (FRF) domain.
Jun Zhong +4 more
doaj +1 more source
Enhanced CACIS configuration for direction of arrival estimation
Electronics Letters, 2022 In this letter, an enhanced coprime array with compressed inter‐element spacing is designed for direction of arrival estimation. First, we analyse and conclude that the 0th sensor of coprime array with compressed inter‐element spacing is redundant for ...
Yule Zhang +3 more
doaj +1 more source
Radioactive Direction of Arrival Estimation Using Neural Networks Approach [PDF]
EPJ Web of Conferences, 2023 In this paper, we present a comprehensive investigation into improving Direction of Arrival (DOA) estimation for gamma-emitting isotopes using deep neural networks.
Salomon Yossi +5 more
doaj +1 more source
A Simple Cross Correlation Switched Beam System (XSBS) for Angle of Arrival Estimation
IEEE Access, 2017 We propose a practical, simple and hardware friendly, yet novel and efficient, angle of arrival (AoA) estimation system. Our intuitive, two-phases cross-correlation-based system requires a switched beam antenna array with a single radio frequency ...
Ahmed Badawy +4 more
doaj +1 more source
Journal of Low Frequency Noise, Vibration and Active Control, 2021 This paper proposes a direction of arrival estimation based on sparse signal reconstruction in the presence of alpha noise by the off-grid orthogonal matching pursuit algorithm.
LongKai Liang +3 more
doaj +1 more source
IEEE Access, 2022 In this manuscript, the problem of detecting multiple targets and estimating their spatial coordinates (namely, their range and the direction of arrival of their electromagnetic echoes) in a colocated multiple-input multiple-output radar system operating
Pasquale Di Viesti +3 more
doaj +1 more source