Results 11 to 20 of about 833,437 (297)
The Equivalent Plane Model (EPM) and Phase Correction Algorithm (PCA) that are based on Transmission Line Theory (TLT) are proposed to satisfy the resource and efficiency requirements of ElectroMagnetic (EM) scattering analysis of large and complex ...
Zhang Lei +4 more
doaj +1 more source
Cold and Thermal Neutron Single Grating Dark-Field Imaging Extended to an Inverse Pattern Regime
Neutron dark-field imaging is a powerful tool for the spatially resolved characterization of microstructural features of materials and components. Recently, a novel achromatic technique based on a single absorption grating for the concurrent measurement ...
Matteo Busi +4 more
doaj +1 more source
Scattering and inverse scattering on ACH manifolds [PDF]
We study scattering and inverse scattering theories for asymptotically complex hyperbolic manifolds. We show the existence of the scattering operator as a meromorphic family of operators in the Heisenberg calculus on the boundary, which is a contact manifold with a pseudohermitian structure.
Guillarmou, Colin, Sá Barreto, Antônio
openaire +4 more sources
Field-induced partial disorder in a Shastry-Sutherland lattice
A 2-Q antiferromagnetic order of the ferromagnetic dimers was found below T N = 2.9 K in the Shastry-Sutherland lattice BaNd2ZnS5 by single crystal neutron diffraction.
Madalynn Marshall +5 more
doaj +1 more source
Just after the start into the new millennium the concept for combined neutron and X-ray imaging was introduced by extending the standard configuration of the thermal neutron imaging NEUTRA instrument with a complementary 320 kV X-ray tube setup.
Eberhard H. Lehmann +5 more
doaj +1 more source
Monte Carlo simulation of coherent effects in multiple scattering [PDF]
Using a combination of the stochastic Monte Carlo technique and the iteration procedure of the solution to the Bethe-Salpeter equation, it has been shown that the simulation of the optical path of a photon packet undergoing an nth scattering event ...
Churmakov, D. Y. +3 more
core +1 more source
Wideband Radar Echo Frequency-domain Simulation and Analysis for High Speed Moving Targets
A frequency-domain method is proposed for wideband radar echo simulation of high-speed moving targets. Based on the physical process of electromagnetic waves observing a moving target, a frequency-domain echo model of wideband radar is constructed, and ...
Ning Chao +3 more
doaj +1 more source
A Super-Algebraically Convergent, Windowing-Based Approach to the Evaluation of Scattering from Periodic Rough Surfaces [PDF]
We introduce a new second-kind integral equation method to solve direct rough surface scattering problems in two dimensions. This approach is based, in part, upon the bounded obstacle scattering method that was originally presented in Bruno et al. [2004]
Monro, John Anderson
core +1 more source
A terahertz flexible metamaterial quarter-wave plate (QWP) is designed and fabricated using polyimide as the substrate in this paper, with a 3 dB axial ratio bandwidth of 0.51 THz and high polarization conversion efficiency and transmittance.
Jinhai Sun +6 more
doaj +1 more source
Evolution of porous materials from ancient remedies to modern frameworks
Porous materials play a significant role in modern chemistry and materials science; despite recent scientific interest, they have a history dating back to antiquity.
Gregory S. Day +3 more
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