Results 171 to 180 of about 32,791 (255)

Associations of social isolation and loneliness with the risk of adult-onset asthma: A prospective cohort and mendelian randomization study. [PDF]

Chron Respir Dis
Zhang J, Li Y, Sun X, An R, Zhang H, Gong J, Zhang Y, Li Y, Gu Y, Xia Y.   +9 more
europepmc   +1 more source

Hypoosmolarity inhibits ammonia oxidation by terrestrial and freshwater Nitrosopumilaceae members. [PDF]

ISME J
Gwak JH, Olabisi A, Lee UJ, Abiola C, Lee S, Do H, Choi YJ, Lee JJ, Jung MY, Jehmlich N, von Bergen M, Wagner M, Awala SI, Quan ZX, Rhee SK.   +14 more
europepmc   +1 more source

Anesthesiology Residency Matching: Key Differentiators in a Post-Step 1 Pass/Fail Era. [PDF]

Cureus
Kim J, Tran G, Bharadwaj K, Ferrer A, Bohringer C, Wong MS, Liu H.   +6 more
europepmc   +1 more source

AOA. : CNT

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Mitigating Sensor Motion Effect for AOA and AOA-TOA Localizations in Underwater Environments

IEEE Transactions on Wireless Communications, 2023
The motion of sensors during the measurement period, if not accounted for, can degrade significantly the localization accuracy. This paper investigates the sensor motion effect for the positioning of an object, using angles of arrival only or together ...
K C Ho, Haiyan Wang, Tianyi Jia
exaly   +3 more sources

Exploiting AoA Estimation Accuracy for Indoor Localization: A Weighted AoA-Based Approach

IEEE Wireless Communications Letters, 2019
For angle-of-arrival (AoA)-based localization methods, the AoA estimation accuracy would notably influence the localization performance. In this letter, we evaluate the estimation accuracy of different AoAs in a multipath environment and propose a weighted AoA-based localization approach.
Junyu Liu, Yang Zheng, Min Sheng
exaly   +3 more sources

Unified Near-Field and Far-Field Localization for AOA and Hybrid AOA-TDOA Positionings

IEEE Transactions on Wireless Communications, 2018
Point positioning of a signal source is feasible if it is not far from the sensors and direction of arrival (DOA) localization is only applicable if it is distant. Point positioning and DOA localization employ different estimation models and prior knowledge about the source range is often not available to decide which model is appropriate.
K C Ho
exaly   +3 more sources

An Efficient Hybrid Multi-Station TDOA and Single-Station AOA Localization Method

IEEE Transactions on Wireless Communications, 2023
Multi-station passive localization algorithms based on hybrid Time Difference of Arrival (TDOA) and Angle of Arrival (AOA) have been thoroughly studied.
Xu Kang, Dejiang Wang, Yu Shao, Mingyang Ma, Tao Zhang   +4 more
semanticscholar   +1 more source

AutoLoc: Toward Ubiquitous AoA-Based Indoor Localization Using Commodity WiFi

IEEE Transactions on Vehicular Technology, 2023
The past decade's research in RF-based indoor localization has shown the possibility of decimeter-level accuracy based on the Angle of Arrival (AoA) of WiFi signals. However, existing systems require either recurring manual calibrations or the assistance
Xianan Zhang, Yu Zhang, Guanghua Liu, Tao Jiang   +3 more
semanticscholar   +1 more source