Results 41 to 50 of about 723,112 (370)

Variational full-waveform inversion [PDF]

open access: yesGeophysical Journal International, 2020
SUMMARY Seismic full-waveform inversion (FWI) can produce high-resolution images of the Earth’s subsurface. Since full-waveform modelling is significantly nonlinear with respect to velocities, Monte Carlo methods have been used to assess image uncertainties.
Xin Zhang, Andrew Curtis
openaire   +2 more sources

Effect of Pulse Electroplating Parameters on the Deposition of Reinforcing Particles in Ni-W/CeO2 Composite Coating [PDF]

open access: yesJournal of Advanced Materials in Engineering, 2022
Recently, nickel-tungsten (Ni-W) coatings have been investigated by many researchers as a corrosion-resistant, wear-resistant, and high-hardness layer.
F. Saeidpour
doaj   +1 more source

Wave Dispersion and Attenuation on Human Femur Tissue

open access: yesSensors, 2014
Cortical bone is a highly heterogeneous material at the microscale and has one of the most complex structures among materials. Application of elastic wave techniques to this material is thus very challenging.
Maria Strantza   +5 more
doaj   +1 more source

Fast prediction and evaluation of gravitational waveforms using surrogate models [PDF]

open access: yes, 2013
[Abridged] We propose a solution to the problem of quickly and accurately predicting gravitational waveforms within any given physical model. The method is relevant for both real-time applications and in more traditional scenarios where the generation of
Field, Scott E.   +4 more
core   +6 more sources

Waveform-Dependent Absorbing Metasurfaces [PDF]

open access: yesPhysical Review Letters, 2013
We present the first use of a waveform-dependent absorbing metasurface for high-power pulsed surface currents. The new type of nonlinear metasurface, composed of circuit elements including diodes, is capable of storing high power pulse energy to dissipate it between pulses, while allowing propagation of small signals.
Wakatsuchi, Hiroki   +3 more
openaire   +6 more sources

Monitoring of the central blood pressure waveform via a conformal ultrasonic device

open access: yesNature Biomedical Engineering, 2018
Continuous monitoring of the central blood pressure waveform from deeply embedded vessels such as the carotid artery and jugular vein has clinical value for the prediction of all-cause cardiovascular mortality.
Chonghe Wang   +23 more
semanticscholar   +1 more source

Adaptive waveform inversion: theory [PDF]

open access: yes, 2016
Conventional full-waveform seismic inversion attempts to find a model of the subsurface that is able to predict observed seismic waveforms exactly; it proceeds by minimizing the difference between the observed and predicted data directly, iterating in a ...
Guasch, L, Warner, M
core   +1 more source

PARAMETERS OF INFRASONIC SIGNALS GENERATED IN THE ATMOSPHERE BY MULTIPLE EXPLOSIONS AT AN AMMUNITION DEPOT [PDF]

open access: yesRadio Physics and Radio Astronomy, 2018
Purpose: The study lies in investigating the waveforms and the spectral content of the infrasonic signals generated by multiple explosions at an ammunition depot versus energy and distance.
L. F. Chernogor   +2 more
doaj   +1 more source

Enhanced Hybrid TIM-TDMA to Maximize the Total Throughput With Fairness Constraints

open access: yesIEEE Open Journal of the Communications Society
This paper addresses the problem of topological interference management (TIM) in ad hoc networks operating under a frequency-flat Rayleigh fading channel in single-input single-output (SISO). Assuming that the nodes have access to the statistical channel
David Jia   +3 more
doaj   +1 more source

Candidate Waveforms for ARoF in Beyond 5G

open access: yesApplied Sciences, 2020
5G mobile networks aim to support a large variety of services with different and demanding requirements. To achieve this, analog radio over fiber (ARoF) fronthaul along with millimeter-wave (mmWave) cells is a strong candidate to be part of the 5G ...
Javier Pérez Santacruz   +4 more
doaj   +1 more source

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