Results 21 to 30 of about 2,589 (174)

Application of Sparse Representation to Bartlett Spectra for Improved Direction of Arrival Estimation

open access: yesSensors, 2020
A new technique for high-resolution direction of arrival estimation is presented. The method utilizes the traditional Bartlett spectra and sparse representation to locate emitters in single and multiple emitter scenarios.
Jacob Compaleo, Inder J. Gupta
doaj   +1 more source

Direction-of-Arrival Estimation in Time-Modulated Linear Arrays Based on the MT-BCS Approach

open access: yesInternational Journal of Antennas and Propagation, 2022
This article proposes a novel approach for the estimation of the direction-of-arrival (DoA) of multiple signals impinging on time-modulated arrays (TMAs).
Qing-He Zhang   +2 more
doaj   +1 more source

Beamforming for Direction-of-Arrival (DOA) Estimation-A Survey

open access: yesInternational Journal of Computer Applications, 2013
Direction-of-Arrival (DOA) estimation plays a vital role in many applications. Beamforming is the most prominent technique to estimate DOA. In this survey, a study of various beamforming techniques and algorithms to estimate the direction of arrival of a signal is made.
Aparna. B, T Kesavamurthy, V Krishnaveni
openaire   +1 more source

Two-Dimensional Underdetermined DOA Estimation of Quasi-Stationary Signals using Parallel Nested Array [PDF]

open access: yesRadioengineering, 2020
In this paper, a two dimensional underdetermined direction of arrival estimation (DOA) of quasi-stationary signals using a parallel nested array structure is investigated.
X. Y. Pan   +3 more
doaj  

An APG-MUSIC Algorithm Based-on Optimized Sampling Array

open access: yesMATEC Web of Conferences, 2018
This paper proposes a novel two-dimensional direction of arrival (2D-DOA) estimation with optimized sparse sampling array, which is combined with Accelerated Proximal Gradient singular value thresholding(APG) and Multiple Signal Classification(MUSIC ...
Li Mengxia   +3 more
doaj   +1 more source

Recurrent NEAT Assisted 2D-DOA Estimation With Reduced Complexity for Satellite Communication Systems

open access: yesIEEE Access, 2022
Direction-of-arrival (DOA) estimation plays a vital role in the field of array signal processing. However, the need for heavy computing tasks in most traditional DOA algorithms, e.g., multiple signal classification (MUSIC), makes their engineering ...
Yunfeng Li   +3 more
doaj   +1 more source

Matched steering vector searching based direction-of-arrival estimation using acoustic vector sensor array

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
The acoustic vector sensor (AVS) array is a powerful tool for underwater target’s direction-of-arrival (DOA) estimation without any bearing ambiguities.
Yu Ao, Ling Wang, Jianwei Wan, Ke Xu
doaj   +1 more source

Polynomial Manifold Interpolation for Direction Finding in the Presence of Mutual Coupling

open access: yesIEEE Access, 2019
Direction-of-arrival (DOA) estimation in the presence of mutual coupling among the antennas is an important problem in direction finding systems. To address the mutual coupling issue, a polynomial manifold interpolation approach is proposed in this paper.
Hongtao Duan   +4 more
doaj   +1 more source

2D DOA estimation based on matrix method and joint diagonalization technique

open access: yesTongxin xuebao, 2013
When space phase factors are the same in one direction or two orthogonal directions,the convensional direction-of-arrival methods cannot estimate DOA effectly,resulting in performance degradation.Therefore,joint diagonalization technique was utilized to ...
Hai-qiang ZHANG   +3 more
doaj   +2 more sources

Development of Monitoring Methods for a GPS based Smart Antenna System

open access: yesACI Avances en Ciencias e Ingenierías, 2013
One of the key parameters in the processing system of a smart antenna system is the direction of arrival of the signal of interest (DOA). DOA’s estimation traditionally performed spectral analysis on the signal received by the antenna array ...
Francisco Cuesta, René P. Játiva E.
doaj   +1 more source

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