Results 121 to 130 of about 1,089,345 (300)
Performance Analysis of Abradable Coating Systems for Aircraft Gas Turbines
Advanced Engineering Materials, EarlyView.Three CoNiCrAlY/YSZ/MgAl2O4 abradable liner configurations on a nickel‐superalloy are evaluated by thermal‐gradient cycling and incursion tests. Laser ablation of the bondcoat and/or Y2O3‐stabilized ZrO2 (YSZ) intermediate layer increases mechanical interlocking and bonding for thick topcoats.
Hanna Heyl +4 more
wiley +1 more source
Topics in the accuracy and resolution of superresolution systems
, 2009 Since their introduction in the 1970s and 1980s superresolution systems for point source parameter estimation have received theoretical attention regarding their potential performance.
Brandwood, D.
core
, 2010 Direction of Arrival (DOA) estimation is a problem which concerns very diverse fields of interest. In most applications, not only the DOA but also the estimation of the amplitude of the incoming signals is becoming an important issue.
R. Fernandez-Recio +9 more
core +1 more source
Direction of Arrival Estimation With Low Resolution Quantised Data: A Taxonomy and Survey
IET Radar, Sonar & NavigationThis paper presents a comprehensive survey of Direction of Arrival (DoA) estimation techniques that utilise one‐bit and low‐resolution data. We delve into various approaches, including direct application of quantised data to existing DoA estimators and ...
Yasin Azhdari, Mahmoud Farhang
doaj +1 more source
A Deep Shrinkage Network for Direction-of-Arrival Estimation with Sparse Prior
Journal of Marine Science and EngineeringDirection-of-arrival (DOA) estimation of underwater multipath signals plays a indispensable role in both military and civilian underwater applications. Despite its importance, accurately estimating DOA under multipath conditions is challenging due to the
Lei Zhou +4 more
doaj +1 more source
Advanced Engineering Materials, EarlyView.Mg–Zn composites with a thickness of 0.21 mm were fabricated using roll bonding of a kirigami‐patterned Mg alloy inlay within a Zn matrix. Thermal activation following this process led to the formation of tailored intermetallic structures, which provided the composite with enhanced flexural strength.
Yaroslav Frolov +4 more
wiley +1 more source
Direction-of-arrival (DOA) estimation using deep-neural-network (DNN)
, 2020 Direction-of-arrival (DOA) estimation is a key area in the field of antenna array signal processing. It has great significance in digital communication, IoT applications and national security.
Han, Dicong
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Robust DOA estimation for two‐level nested arrays in unknown mutual coupling
Electronics LettersAiming at solving the problem that the capability of direction of arrival method for estimation of nested arrays decreases sharply under unknown mutual coupling, an iterative weighted low‐rank matrix reconstruction algorithm is proposed here.
Shun He, Xue Li, Bing Sun
doaj +1 more source
Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading
Advanced Engineering Materials, EarlyView.The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley +1 more source
Direction-of-arrival estimation in the presence of unknown nonuniform noise fields
, 2006 A new method for estimating directions-of-arrival (DOA) of multiple spatial narrowband signals in the presence of spatially nonuniform independent sensor noise with unknown covariance is presented.
Chaohuan Hou (20223534) +3 more
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