Results 21 to 30 of about 166,298,898 (323)

Direction‐of‐arrival estimation for wideband linear frequency modulated signals with weighted l1‐norm in the fractional Fourier domain

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, Zhong Chen, Fei Peng, Xiaowen Bi, Tingting Chen   +4 more
doaj   +1 more source

Source bearing and steering-vector estimation using partially calibrated arrays [PDF]

, 2009
The problem of source direction-of-arrival (DOA) estimation using a sensor array is addressed, where some of the sensors are perfectly calibrated, while others are uncalibrated. An algorithm is proposed for estimating the source directions in addition to
Lu, Y., Li, M.
core   +4 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

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, Guoping Hu, Fei zhang, Hao Zhou   +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, Vax Eran, Osowizky Alon, Knafo Yakir, Ben David Nadav, Vilenchick Dan   +5 more
doaj   +1 more source

Sparse methods for direction-of-arrival estimation [PDF]

, 2018
65 pages, overview ...
Zai Yang, Jian Li 0001, Petre Stoica, Lihua Xie 0001   +3 more
openaire   +3 more sources

Two-Dimensional Direction-of-Arrival Estimation Using Stacked Intelligent Metasurfaces [PDF]

IEEE Journal on Selected Areas in Communications
Stacked intelligent metasurfaces (SIMs) are capable of emulating reconfigurable physical neural networks by utilizing electromagnetic (EM) waves as carriers. They can also perform various complex computational and signal processing tasks.
Jiancheng An, Chau Yuen, Y. Guan, M. di Renzo, Mérouane Debbah, H. V. Poor, L. Hanzo   +6 more
semanticscholar   +1 more source

Implementation of accurate broadband steering vectors for broadband angle of arrival estimation [PDF]

, 2013
Motivated by accurate broadband steering vector requirements for applications such as broadband angle of arrival estimation, we review fractional delay filter designs.
Weiss, Stephan, McWhirter, John G., Alrmah, Mohamed Abubaker   +2 more
core   +4 more sources

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, Tamer Khattab, Daniele Trinchero, Tarek M. Elfouly, Amr Mohamed   +4 more
doaj   +1 more source

Direction of arrival estimation with off-grid target based on sparse reconstruction in impulsive noise

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, YiRan Shi, YaoWu Shi, WenChao He   +3 more
doaj   +1 more source