Results 141 to 150 of about 204,120 (332)

Compressed Sensing and Redundant Dictionaries [PDF]

open access: green, 2008
Holger Rauhut   +2 more
openalex   +1 more source

Residual Stress States in Microstructurally Graded PBF–LB/M Austenitic Steel Components

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines microstructurally graded 316L rectangular tube profiles fabricated via PBF–LB/M using a dual‐laser system. A 1 kW top‐hat and a 400 W Gaussian laser create distinct grain sizes and crystallographic texture. Mechanical properties are linked to microstructural evolution driven by processing conditions.
Nico Möller   +5 more
wiley   +1 more source

Sparsification of Matrices and Compressed Sensing [PDF]

open access: yesarXiv, 2015
Compressed sensing is a signal processing technique whereby the limits imposed by the Shannon--Nyquist theorem can be exceeded provided certain conditions are imposed on the signal. Such conditions occur in many real-world scenarios, and compressed sensing has emerging applications in medical imaging, big data, and statistics.
arxiv  

Parallel magnetic resonance imaging using compressed sensing [PDF]

open access: green, 2008
Ali Bilgin   +4 more
openalex   +1 more source

Microstructural and Mechanical Properties of a Hard Anodic Coating Applied on an Elastically Prestrained Aluminum Substrate

open access: yesAdvanced Engineering Materials, EarlyView.
Prestraining the substrate influences coating formation process. Higher prestraining force leads to higher coating thickness and lower hardness. Increase in prestraining force enhances preliminary damage in hard anodic coating. Fatigue damage mechanisms change for hard anodized prestrained samples.
Linto George Thomas   +4 more
wiley   +1 more source

Advances in sparse dynamic scanning in spectromicroscopy through compressive sensing. [PDF]

open access: yesPLoS One, 2023
Kourousias G   +5 more
europepmc   +1 more source

Wyner-Ziv spatial scalable video coding using compressive sensing in ubiquitous networks

open access: yesTongxin xuebao, 2010
A novel Wyner-Ziv spatial scalable video coding using compressive sensing was proposed for the ubiquitous networks.At the encoder,both the base layer and enhancement layer encode the video signal independent,in which down-sampling video was coded by H ...
GAN Zong-liang   +3 more
doaj   +2 more sources

Titanium‐S23: A New Alloy with Ultra‐High Tensile Toughness Directly from the Solid‐State Processing of Recycled Ti–6Al–4V and Ti–5Al–5Mo–5V–3Cr Powders using Field Assisted Sintering Technology

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores combining two existing aerospace titanium alloy powders, processing them via field‐assisted sintering technology and the subsequent discovery of a novel alloy composition, termed S23, with ultra‐high tensile toughness. Fine‐scale alpha precipitates favorably form in the alloy despite the relatively slow cooling, providing an ...
Samuel Lister   +2 more
wiley   +1 more source

Distributed cooperative spectrum sensing based on consensus optimization

open access: yesTongxin xuebao, 2011
A distributed wideband spectrum compressive sensing approach based on consensus optimization was developed.The cognitive radio users firstly collected the time-domain sampling by compressive sampling and recover the local spectrum.Then the spectrum of ...
ZENG Fan-zi   +3 more
doaj   +2 more sources

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