Results 101 to 110 of about 124,366,313 (297)
Advanced Engineering Materials, EarlyView.Trace additions of Sn and Sr combined with a two‐step aging treatment are shown to enhance the microstructure and performance of Al–Zr–Sc conductor alloys. Strength and electrical conductivity increase concurrently through accelerated precipitation of fine Al3(Sc, Zr) precipitates and improved dislocation resistance, offering a cost‐effective pathway ...
Quan Shao +3 more
wiley +1 more source
Comparative study for broadband direction of arrival estimation techniques
, 2012 This paper reviews and compares three different linear algebraic signal subspace techniques for broadband direction of arrival estimation --- (i) the coherent signal subspace approach, (ii) eigenanalysis of the parameterised spatial correlation matrix ...
Weiss, Stephan +3 more
core
Long-range navigation for resource-constrained planetary rovers using angle of arrival
Mechanical Engineering Journal, 2015 This study presents a new navigation system consisting of a resource-constrained rover and landers for planetary long-range exploration. During the exploration, they communicate with each other using radio and the rover receives signals from the landers ...
Takayuki ISHIDA +5 more
doaj +1 more source
Using Angle of Arrival (Bearing) Information in Network Localization
Proceedings of the 45th IEEE Conference on Decision and Control, 2006 In this paper, we consider using angle of arrival information (bearing) for network localization and control in two different fields of multi-agent systems: (i) wireless sensor networks; (ii) robot networks. The essential property we require in this paper is that a node can infer heading information from its neighbors.
Eren, Tolga +2 more
openaire +4 more sources
Advanced Engineering Materials, EarlyView.Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios +5 more
wiley +1 more source
A new stochastic spatio-temporal propagation model (SSTPM) for mobile communications with antenna arrays [PDF]
, 2001 In order to evaluate the performance of third-generation mobile communication systems, radio channel models are required. The models should be capable of handling nonstationary scenarios with dynamic evolution of multipath. In this context and due to the
Piechocki, RJ, Tsoulos, G, McGeehan, JP
core +1 more source
Optimal 3D Angle of Arrival Sensor Placement with Gaussian Priors. [PDF]
Entropy (Basel), 2021 Zhou R, Chen J, Tan W, Yan Q, Cai C.
europepmc +1 more source
Angle Of Arrival Detection Using Compressive Sensing
, 2010 Publication in the conference proceedings of EUSIPCO, Aalborg, Denmark ...
T. Justin Shaw, George C. Valley
openaire +3 more sources
Angle Of Arrival Detection With Fifth Order Phase Operators
CoRR, 2014 In this paper, a fifth order propagator operators are proposed for estimating the Angles Of Arrival (AOA) of narrowband electromagnetic waves impinging on antenna array when its number of sensors is larger than the number of radiating sources. The array response matrix is partitioned into five linearly dependent phases to construct the noise projector
Youssef Khmou, Said Safi
openaire +2 more sources
Advanced Engineering Materials, EarlyView.Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth +6 more
wiley +1 more source