Results 31 to 40 of about 1,582,214 (165)
A Covariance Matrix Reconstruction Approach for Single Snapshot Direction of Arrival Estimation
Sensors, 2022 Achieving accurate single snapshot direction of arrival (DOA) information significantly improves communication performance. This paper investigates an accurate and high-resolution DOA estimation technique by enabling single snapshot data collection and ...
Murdifi Muhammad +4 more
doaj +1 more source
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 +3 more
doaj
Advanced Science, EarlyView.The concept of high‐dimensional EM modulation using the STMA for physical layer secure communication is illustrated in figure. The STMA consists of a series of programmable unit cells, with 1‐bit reconfigurable phase states (0/π). The STMA is excited by a monochromatic continuous wave (CW) at frequency fc and controlled by a field‐programmable gate ...
Xinyu Fang +6 more
wiley +1 more source
Direction-of-Arrival Estimation in Time-Modulated Linear Arrays Based on the MT-BCS Approach
International 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
Energy Science &Engineering, EarlyView.A Tri‐Meta Hybrid DOA–CSA–WOA Maximum Power Point Tracking controller is developed to enhance photovoltaic system performance. The proposed approach achieves higher tracking efficiency, faster convergence, and robust operation under dynamic irradiance and partial shading conditions.
Ali Abbas +6 more
wiley +1 more source
A DOA estimation algorithm based on equalization-cancellation theory [PDF]
, 2010 Direction of arrival (DOA) estimation plays an important role in multi-channel (binaural) speech enhancement systems and auditory humanoid robots. A number of localization methods have been presented, however, most of them require a large array of ...
Li, Junfeng +2 more
core
Large Direction-of-Arrival Mismatch Correction for Adaptive Beamforming
IEEE Access, 2022 Direction-of-arrival (DOA) mismatch can degrade the performance of adaptive beamforming algorithms. Thus, a projection method is proposed to correct this mismatch.
Lin Chang +4 more
doaj +1 more source
Research progress on the depth of anesthesia monitoring based on the electroencephalogram
Ibrain, Volume 11, Issue 1, Page 32-43, Spring 2025.Electroencephalogram (EEG) can noninvasive, continuous, and real‐time monitor the state of brain electrical activity, and the monitoring of EEG can reflect changes in the depth of anesthesia (DOA). The development of artificial intelligence can enable anesthesiologists to extract, analyze, and quantify DOA from complex EEG data.
Xiaolan He, Tingting Li, Xiao Wang
wiley +1 more source
Does Fit Always Fit? The Paradox of Brand–Cause Misfit and Authenticity
Psychology &Marketing, EarlyView.ABSTRACT Brand–cause research generally treats coherence between a brand and a social cause as a prerequisite for authenticity, leaving unexplained why some moderately misfitting initiatives are judged more authentic than expected. We develop a paradox‐based process account in which authenticity arises not only from coherence but also from consumers ...
Christina Papadopoulou +2 more
wiley +1 more source