Results 101 to 110 of about 86,093 (168)

New Insights into Ambiguities in Quad-Pol SAR

open access: yes, 2017
Quadrature-polarimetric (quad-pol) synthetic aperture radar (SAR) is a well-established technique which has numerous applications in remote sensing. However, spaceborne quad-pol SAR systems are often constrained by severe range and azimuth ambiguities ...
Villano, Michelangelo   +5 more
core   +1 more source

Azimuth Reference - Human Kidney

open access: yes, 2021
Here we provide the reference data files used to run the Azimuth Human Kidney reference web application. For a full description of the reference data structure, please see the wiki at https://github.com/satijalab/azimuth/wiki/Azimuth-Reference ...
Satija Lab
core   +1 more source

Topology‐based Visual Analysis of Hydrothermal Plumes

open access: yesComputer Graphics Forum, EarlyView.
Abstract Hydrothermal plumes are turbulent structures of intense heat and mineral smoke that rise and disperse into the deep ocean. Existing models generally characterize these systems as a single axisymmetric plume originating from a point source. However, this assumption breaks down in weakly venting, spatially distributed systems, where low‐flux ...
Adhitya Kamakshidasan   +3 more
wiley   +1 more source

The Truth, the Whole Truth, and Nothing but the Truth: Automatic Visualization Evaluation from Reconstruction Quality

open access: yesComputer Graphics Forum, EarlyView.
Abstract Recent advances in AI enable the automatic generation of visualizations directly from textual prompts using agentic workflows. However, visualizations produced via one‐shot generative methods often suffer from insufficient quality, typically requiring a human in the loop to refine the outputs.
Roxana Bujack   +4 more
wiley   +1 more source

Four Decades of Research at the MADE Site and Beyond: Advancing the Understanding and Modeling of Solute Transport in Heterogeneous Media

open access: yesReviews of Geophysics, Volume 64, Issue 4, December 2026.
Abstract Spatial heterogeneity, manifested as strong variability in hydraulic conductivity (K) within geological formations, exerts a fundamental control on groundwater flow and solute transport. Because K can vary over multiple orders of magnitude in complex three‐dimensional patterns, predicting contaminant plume migration remains a long‐standing ...
Zhilin Guo   +8 more
wiley   +1 more source

US Influence in Post‐Assad Syria and the Limits of Turkey's Leverage

open access: yesMiddle East Policy, Volume 33, Issue 4, Winter 2026.
Abstract In early 2026, the post‐Assad government in Damascus weakened the Kurdish‐led Syrian Democratic Forces (SDF) and began integrating the group through phased incorporation and gradual reassertion of state authority. While this advanced some Turkish objectives, it demonstrated the limits of Ankara's influence: Kurdish fighters were incorporated ...
Barış Çağlar
wiley   +1 more source

Van Allen Probes Observations of a Fundamental Poloidal Wave in the Plasmasphere

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 11, November 2026.
Abstract All past spacecraft observations of fundamental poloidal Alfvén (P1) waves attributed to ion drift resonance have been made outside the plasmasphere. In this study, we present the first spacecraft observations of a plasmaspheric P1 wave driven by that resonance.
Kazue Takahashi   +4 more
wiley   +1 more source

Ambiguity Analysis and Resolution for Phase-Based 3D Source Localization under Given UCA

open access: yesInternational Journal of Antennas and Propagation, 2019
Under uniform circular array, by employing some algebraic schemes to exploit the phase information of receiving data and further estimate the source’s three-dimensional (3D) parameters (azimuth angle, elevation angle, and range), a series of novel phase ...
Zhen Liu   +5 more
doaj   +1 more source

PKPPcP–PcPPKP Splitting: Observations, Modeling, and Implications for 3‐D Earth's Mantle Heterogeneity

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 11, November 2026.
Abstract Seismic body waves provide valuable insights into the interiors of the Earth, the Moon, and Mars. By analyzing their waveform characteristics, we can effectively reveal deep seismic velocity structures and associated dynamic processes. For the Earth, incorporating various body waves helps improve the ray path coverage and therefore the ...
Yulong Su   +4 more
wiley   +1 more source

On Representation of Macroscopic Crack in Periodic Fine‐Scale Discrete Mechanical Models

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 127, Issue 20, 30 October 2026.
ABSTRACT The evolution of strain localization and the corresponding macroscopic response obtained in multiscale modeling of softening heterogeneous materials strongly depend on the boundary conditions imposed on the fine‐scale model. For rectilinear models (e.g., squares or cubes), employing standard Periodic BCs leads to overestimation of energy ...
Jan Raisinger, Jan Eliáš
wiley   +1 more source

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