Results 51 to 60 of about 7,886 (195)

ROAM: a Radial-basis-function Optimization Approximation Method for diagnosing the three-dimensional coronal magnetic field [PDF]

open access: yes, 2016
The Coronal Multichannel Polarimeter (CoMP) routinely performs coronal polarimetric measurements using the Fe XIII 10747 $\AA$ and 10798 $\AA$ lines, which are sensitive to the coronal magnetic field.
Dalmasse, K.   +4 more
core   +2 more sources

Frozen Differential Scattering in Reconfigurable Complex Media

open access: yesLaser &Photonics Reviews, EarlyView.
A localized perturbation universally results in a rank‐one update of the scattering matrix of any complex medium. The resulting differential output wavefront is “frozen”: its spatial pattern is fixed (agnostic to the input wavefront). Experiments with a programmable‐metasurface‐parametrized wireless link validate frozen differential scattering and ...
Philipp del Hougne
wiley   +1 more source

Geometrical Structure Classification of Target HRRP Scattering Centers Based on Dual Polarimetric $H/\alpha$ Features

open access: yesIEEE Access, 2019
Polarimetric high resolution range profile (HRRP) contains the geometrical structural information along radar line-of-sight and has shown great potentials in target recognition. In existing researches, H/α decomposition has been applied to exploit
Teng Long   +3 more
doaj   +1 more source

Applying Polarimetric Target Decomposition to 2D Turntable ISAR Imagery of a Complex Vehicle

open access: yesInternational Journal of Antennas and Propagation, 2022
The capabilities of polarimetric target decomposition in SAR-based ATR applications are investigated by using 2D turntable ISAR imagery of a T-72 tank. To characterize target’s anisotropic scattering properties, wide-angle case is considered through the ...
Sevket Demirci
doaj   +1 more source

On the Role of Polarimetric Decomposition and Speckle Filtering Methods for C-Band SAR Wetland Classification Purposes

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Previous wetlands studies have thoroughly verified the usefulness of data from synthetic aperture radar (SAR) sensors in various acquisition modes. However, the effect of the processing parameters in wetland classification remains poorly explored.
Monika Gierszewska, Tomasz Berezowski
doaj   +1 more source

Sustainable Bioactive Films From Avocado Seed Starch: Biodegradable Extruded Materials Reinforced With Starch Nanocrystals for Active Packaging

open access: yeseFood, Volume 7, Issue 2, April 2026.
Biodegradable avocado seed starch films reinforced with nanocrystals exhibited enhanced thermal stability, decreased water vapor permeability, stronger antioxidant activity, and antimicrobial properties, while still allowing rapid composting degradation.
Pedro Francisco Muñoz‐Gimena   +5 more
wiley   +1 more source

On the Use of Generalized Volume Scattering Models for the Improvement of General Polarimetric Model-Based Decomposition

open access: yesRemote Sensing, 2017
Recently, a general polarimetric model-based decomposition framework was proposed by Chen et al., which addresses several well-known limitations in previous decomposition methods and implements a simultaneous full-parameter inversion by using complete ...
Qinghua Xie   +4 more
doaj   +1 more source

Fast Retrieval of Cloud Optical Depth From Polarimetry and Multi‐Spectral Imagery That Accounts for Cloud Heterogeneity Using 3D Radiative Transfer

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 3, 16 February 2026.
Abstract We present a method for retrieving cloud optical depth that applies 3D radiative transfer to utilize the combination of polarimetry and multi‐spectral imagery that is newly available from satellite missions such as the Plankton, Aerosol, Cloud, Ocean, Ecosystem (PACE) Mission. Due to the approximate spectral invariance of scattering by clouds,
Jesse Loveridge   +2 more
wiley   +1 more source

All‐Fiber Microsensor of Polarization at Single‐Photon Level Aided by Deep Learning

open access: yesLaser &Photonics Reviews, Volume 20, Issue 3, 5 February 2026.
Introducing a polarization sensor using scattering in a short optical fiber and deep learning. The breakthrough lies in sparse sampling of the scattered light and single‐photon sensitivity. The all‐fiber sensor achieves unprecedented accuracy, speed, resolution, and stability.
Martin Bielak   +2 more
wiley   +1 more source

Fast Matrix Inversion and Determinant Computation for Polarimetric Synthetic Aperture Radar

open access: yes, 2018
This paper introduces a fast algorithm for simultaneous inversion and determinant computation of small sized matrices in the context of fully Polarimetric Synthetic Aperture Radar (PolSAR) image processing and analysis.
Cintra, R. J.   +3 more
core   +1 more source

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