Results 31 to 40 of about 17,864 (202)

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

Radioengineering, 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, Q. P. Xie, J. Y. Chen, S. P. Xiao   +3 more
doaj  

Serial‐fed linear frequency diverse arrays for obtaining direction of arrival (DOA) of frequency modulated continuous waveform (FMCW) sources with ambiguity reduction

International journal of RF and microwave computer-aided engineering, 2019
Possibility of exploiting serial‐fed linear arrays for obtaining the direction of arrival (DOA) of frequency modulated continuous waveform (FMCW) sources is discussed in this article. The angle of incident wave is assumed to be in the range, [−90°, 90°],
M. Fartookzadeh
semanticscholar   +1 more source

An APG-MUSIC Algorithm Based-on Optimized Sampling Array

MATEC 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, Hu Wen, Di Jiaying, Li Hongtao   +3 more
doaj   +1 more source

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

IEEE 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, Yonghui Huang, Gert Frolund Pedersen, Ming Shen   +3 more
doaj   +1 more source

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

EURASIP 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

IEEE 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, Yinsheng Liu, Si Li, Li You, Wenjin Wang   +4 more
doaj   +1 more source

Underwater Ambiguity Elimination Method Based on Co-Prime Sensor Array

Sensors, 2020
Recently, the direction of arrival estimation with co-prime arrays has gradually been applied in underwater scenarios because of its significant advantages over traditional uniform linear arrays.
Tian Lan, Yilin Wang, Longhao Qiu
doaj   +1 more source

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

Tongxin 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, Wei-min SU, Hong GU, Xue-long HU   +3 more
doaj   +2 more sources

Development of Monitoring Methods for a GPS based Smart Antenna System

ACI 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

2D-DOA Estimation in Multipath Using EMVS Rectangle Array

Remote Sensing, 2023
Electromagnetic vector sensor (EMVS) arrays bring an epochal opportunity for direction finding, as they enable the estimation of two-dimensional direction of arrival (2D-DOA) and polarization characteristics.
Zhe Zhang, Lei Zhang, Han Wang, Junpeng Shi   +3 more
doaj   +1 more source