Results 141 to 150 of about 18,650 (210)

Prospects of training system and deficit irrigation for increasing yield and water use efficiency of pitaya (Hylocereus spp.) in the Mediterranean region. [PDF]

BMC Plant Biol
Kaman H, Gübbük H, Altinkaya L, Balkiç R, Ünlü M.   +4 more
europepmc   +1 more source

Distributions of Wall Heat Flux and Wall Shear Stress and their Interrelation During Head-on Quenching of Premixed Flames within Turbulent Boundary Layers. [PDF]

Flow Turbul Combust
Mohan V, Ahmed U, Chakraborty N.
europepmc   +1 more source

An empirical study of large-scale data-driven full waveform inversion. [PDF]

Sci Rep
Jin P, Feng Y, Feng S, Wang H, Chen Y, Consolvo B, Liu Z, Lin Y.   +7 more
europepmc   +1 more source

Sex differences in cardiac recovery and ventricular gene expression in a rat model of donation after circulatory death

Helmer A, Clavier A, Arnold M, Segiser A, Lischer HEL, Graf S, Masoodi M, Beer G, Ottersberg R, Egle M, Siepe M, Longnus S.   +11 more
europepmc   +1 more source

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Full-Bandwidth FWI

82nd EAGE Annual Conference & Exhibition, 2020
Summary We have run FWI to 100 Hz on raw field data from a deep-water marine towed-streamer dataset. We show that the results are similar to, and are broader bandwidth than, conventionally processed PSDM images. FWI removes multiples and ghosts from the raw data, and can produce a full-bandwidth PSDM reflectivity image in a few days without ...
Tatiana Kalinicheva, Mike Warner, Fabio Mancini   +2 more
openaire   +1 more source

Land FWI: Challenges and Possibilities

82nd EAGE Annual Conference & Exhibition, 2021
Summary Land seismic presents more and different challenges for Full-Waveform Inversion (FWI) than marine data. Among these challenges, the most fundamental ones are the irregular topography, strong near-surface effects, and common FWI difficulties such as cycle-skipping and amplitude issues.
D. Wang, C. Chen, D. Zhuang, J. Mei, P. Wang   +4 more
openaire   +1 more source

Global Anisotropic FWI

Proceedings, 2015
Seismic anisotropy influences both the kinematics and dynamics of seismic waveforms. As such, if not taken into account properly during multi-parameter full-waveform seismic inversion (FWI), the anisotropy can manifest itself as significant error in the recovered P-wave velocity model.
H.A. Debens, M.R. Warner, A. Umpleby
openaire   +1 more source

High-Resolution Reflection FWI

Proceedings, 2018
We demonstrate reflection FWI on a less-than-ideal 3D narrow-azimuth towed-streamer dataset that contains little refracted energy and that is deficit in low frequencies. We begin from a very simple starting model built rapidly from stacking velocities.
M. Warner, T. Nangoo, A. Umpleby, N. Shah, G. Yao   +4 more
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Global anisotropic 3D FWI

SEG Technical Program Expanded Abstracts 2015, 2015
Seismic anisotropy influences both the kinematics and dynamics of seismic waveforms. If anisotropy is not adequately taken into account during full-waveform seismic inversion (FWI), then inadequacies in the anisotropy model are likely to manifest as significant error in the recovered P-wave velocity model.
Henry A. Debens*, Mike Warner, Adrian Umpleby, Nuno V. da Silva   +3 more
openaire   +1 more source

Subsalt imaging improvement possibilities through a combination of FWI and reflection FWI

The Leading Edge, 2018
Despite continuous improvements in seismic acquisition and processing technology, imaging under salt remains challenging, specifically because of the difficulty in updating complex salt geometries and subsalt velocity. Synthetic studies show that when certain conditions are met, full-waveform inversion (FWI) can recover very complex velocity models ...
Chao Peng, Minshen Wang, Nicolas Chazalnoel, Adriano Gomes   +3 more
openaire   +1 more source