Results 221 to 230 of about 124,553,511 (357)

Subspace Complexity Reduction in Direction-of-Arrival Estimation via the RASA Algorithm. [PDF]

Sensors (Basel)
Bapir-Bakr B, Kareem-Ali H, Gutiérrez-Serrano S, Del-Rey-Maestre N, Hernández-Fernández C.   +4 more
europepmc   +1 more source

A Novel Approach for Direction of Arrival Estimation in Co-Located MIMO Radars by Exploiting Extended Array Manifold Vectors. [PDF]

Sensors (Basel), 2023
Akbar S, Sohail M, Zaman F, Khan MAR, Ajavakom N, Phanomchoeng G.   +5 more
europepmc   +1 more source

Comparative study of IQML and MODE direction-of-arrival estimators

, 1998
We present a comparative study of using the iterative quadratic maximum likelihood (IQML) and the method of direction estimation (MODE) for direction-of-arrival (DOA) estimation of narrowband incident signals with a uniform linear array, The conditions ...
Stoica, P,, Liu, ZS,, Li, J,
core  

Multimodal Data‐Driven Microstructure Characterization

Advanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang, Santiago Benito, Özge Özgün, Sebastian Weber, Markus Stricker   +4 more
wiley   +1 more source

Microstructure‐Controlled Crack Propagation and Fracture Resistance in MoSiBTiC Alloy Revealed by Multiscale Extended Finite Element Method Modeling

Advanced Engineering Materials, EarlyView.
A two‐dimensional multiscale finite element analysis framework was established for the first‐generation MoSiBTiC alloy, and the mechanical and fracture‐related parameters of the constituent phases were calibrated through experiments and simulations. The framework provides a basis for analyzing crack propagation behavior in its complex microstructure ...
Junfeng Du, Takahiro Kaneko, Xinyu Yan, Takahito Ohmura, Kyosuke Yoshimi   +4 more
wiley   +1 more source

Hydrogen‐Assisted Fracture of Iron‐Based Fe–Ni–Al Alloys

Advanced Engineering Materials, EarlyView.
Principal relations and fracture mechanisms of single‐phase and precipitate‐strengthened Fe–Ni–Al alloys subjected to prior electrochemical hydrogen charging are identified. The mechanisms of hydrogen effect on strength and microhardness are discussed, including hydrogen‐induced increase in microhardness and the role of hydrogen in fracture behavior ...
Nataliya Yadzhak, Olha Zvirko, Rostyslav Leshchak, Hryhoriy Nykyforchyn   +3 more
wiley   +1 more source

Direction of Arrival estimation of underwater acoustic signal via Virtual Steering

, 2018
—For a long time direction of arrival estimation to localize the direction of a radiating or reflecting source has been carried out using SONAR technique or using scuba divers which does not give precise location in short time .
Singh, Vikas Kumar, S, Rashmi
core  

Slip Localization Intensification Mediated by Grain Boundary Sliding in a Polycrystalline Nickel‐Based Superalloy

Advanced Engineering Materials, EarlyView.
The temperature dependence of fatigue behavior in nickel‐based superalloys is investigated through high‐resolution measurements of plastic localization. While increasing temperature reduces localization and enhances fatigue performance in René 88DT, Inconel 718 exhibits a sharp degradation at intermediate temperature due to intensified slip ...
M. Calvat, D. Anjaria, I. Woo, C. Bean, D. Texier, J. C. Stinville   +5 more
wiley   +1 more source

Radio Frequency Direction of Arrival Determination

, 2013
This project is focused on implementing source location algorithms to find the direction of arrival of transmitted radio frequency signals on an array of receivers.
Lazar, Daniel A, Lazar, Daniel
core  

Dataset for Bluetooth 5.1 Direction of Arrival with non Uniform Rectangular Arrays. [PDF]

Data Brief, 2021
Piazzese NI, Perrone M, Pau DP.
europepmc   +1 more source