Results 41 to 50 of about 3,774 (206)
Accurate angle-of-arrival measurement using particle swarm optimization
, 2010 As one of the major methods for location positioning, angle-of-arrival (AOA) estimation is a significant technology in radar, sonar, radio astronomy, and mobile communications.
Ho, Kwok Shun +5 more
core +1 more source
Phase‐difference measurement‐based angle of arrival estimation using long‐baseline interferometer
IET Radar, Sonar & Navigation, 2023 This article presents a direction‐finding method based on phase difference measurement for wide‐ranging applications of electronic intelligence. By including three processing steps of rotating, re‐scaling, and rounding of phase plane, the proposed method
Van‐Sang Doan +3 more
doaj +1 more source
Бюллетень сибирской медицины, 2002 Antioxidant activity (AOA) was measured in 185 inhabitants of the town of Seversk (members of 43 families and unrelated individuals). AOA was defined on the ability of a blood plasma to reduce an output of products, reacting with thiobarbituric acid in ...
A. V. Marusin +3 more
doaj +1 more source
Terahertz Channel Modeling, Estimation and Localization in RIS‐Assisted Systems
Advanced Electronic Materials, EarlyView.Reconfigurable intelligent surfaces have become a recent intensive research focus. Based on practical applications, channel strategies for RIS‐assisted terahertz wireless communication systems are categorized into three different types: channel modeling, channel estimation, and channel localization.
Hongjing Wang +9 more
wiley +1 more source
AOA estimation with EM lens-embedded massive arrays [PDF]
, 2018 Recently, EM lens-embedded massive array antennas have been proposed for next 5G mobile wireless communications, as the adoption of a lens allows to discriminate the AOA of signals in the analog domain, with the possibility to preserve the processing ...
Guidi, Francesco, Francesco Guidi
core +1 more source
Power Scalable Angle of Arrival Estimation Using Pilot Design With Orthogonal Subsequences
IEEE Open Journal of the Communications Society, 2021 Energy efficient array processing is critical to implement feasible solutions for directional communication in a mmWave channel. MmWave channels are highly susceptible to blockage and require frequent angle of arrival (AoA) estimation.
Mahbuba S. Ullah +2 more
doaj +1 more source
Autism Research, EarlyView.ABSTRACT Autism Spectrum Disorder is a neurodevelopmental condition characterized by persistent difficulties in social interaction and communication alongside restricted, repetitive patterns of behavior, interests, or activities. Emerging evidence suggests that bi/multilingualism may enhance social interaction skills, yet prior research has largely ...
Margreet Vogelzang +2 more
wiley +1 more source
Nordic Journal of Botany, EarlyView.Sinningia pampeana is a new rupicolous species from the rocky outcrops of the Pampa biome in southern Brazil and Uruguay. Morphological analyses based on herbarium material, field observations, and detailed illustrations support its recognition as a distinct species from Sinningia sellovii.
Gabriel Emiliano Ferreira +4 more
wiley +1 more source
Impact of fast-converging PEVD algorithms on broadband AoA estimation
, 2017 Polynomial matrix eigenvalue decomposition (PEVD) algorithms have been shown to enable a solution to the broadband angle of arrival (AoA) estimation problem.
Weiss, Stephan +7 more
core +1 more source
Controlling AoA Estimation Errors in Rician Fading via Measurement Quality Classification
IEEE AccessAngle of Arrival (AoA) estimation plays a crucial role in modern positioning systems but is often affected by errors in multipath channels. Existing methods typically lack a direct mechanism to assess the quality of the estimates, while full channel ...
Pedro Lemos +3 more
doaj +1 more source