Results 51 to 60 of about 1,359,591 (313)
Isobaric Reconstruction of the Baryonic Acoustic Oscillation [PDF]
The Astrophysical Journal Letters, 2017 Abstract In this Letter, we report a significant recovery of the linear baryonic acoustic oscillation (BAO) signature by applying the isobaric reconstruction algorithm to the nonlinear matter density field. Assuming only the longitudinal component of the displacement being cosmologically relevant, this algorithm iteratively solves the ...
Xin Wang +5 more
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Advanced Materials Technologies, EarlyView.Dense tactile streams from across the humanoid body converge on collide in a central wiring and data bottleneck. By relocating computation closer to and then into the skin itself, near‐ and in‐sensor architectures, together with neuromorphic computing, chart a path toward perception‐native electronic skin, in which the conversion of stimulus into ...
Mijin Kim +6 more
wiley +1 more source
Acoustic field extrapolation in shallow water using Gaussian process with Normal-Mode-Based Kernel [PDF]
JASA Express LettersIn ocean acoustics, vertical array depth shifts caused by currents lead to missing shallow-water acoustic field data. This study applies a Gaussian process (GP) regression framework with a Normal-Mode-Based Kernel to address the extrapolation problem in ...
An Yang +3 more
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Baryon Acoustic Oscillations reconstruction with pixels [PDF]
Journal of Cosmology and Astroparticle Physics, 2017 34 pages, 17 figures.
Obuljen, Andrej +3 more
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On‐Chip Photonic Neural Network Architectures
Advanced Optical Materials, EarlyView.This review presents a comprehensive overview of on‐chip photonic neural network architectures, covering key photonic building blocks, representative network types, and emerging applications. Recent advances, implementation challenges, and future directions are examined, highlighting the potential of integrated photonics to enable ultrafast, energy ...
Seokjin Hong +7 more
wiley +1 more source
A Two-Stage Acoustic Tomography Method for Temperature Distribution Reconstruction
发电技术ObjectivesTo improve the reconstruction accuracy of temperature distribution in acoustic tomography, a two-stage reconstruction algorithm based on compressed sensing and multi-scale dilated convolution is proposed.MethodsFirst, a compressed sensing model
ZHANG Lifeng, DONG Xianghu
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Acoustic image reconstruction by Markov random fields
Electronics Letters, 1996 The author describes a method for the reconstruction of noisy underwater 3-D acoustic images. Depth and related confidence maps, obtained by a beamforming process, are modelled as Markov random fields. The probability distributions of the fields are specified by a single energy functional to be minimised for the optimal estimation.
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Reconstruction of generalized impedance functions for 3D acoustic scattering [PDF]
Journal of Computational Physics, 2019 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Coherent Absorption Reveals Colors Hidden in a Grey Fabry–Pérot Cavity
Advanced Optical Materials, EarlyView.A dielectric thin film shows colors depending on its thickness; this effect can be used to encode information normally accessible through single‐beam spectroscopy. We developed a method to conceal this kind of information, based on coating the dielectric with a matched conductor, that suppresses the color‐bearing thin‐film resonances.
Giuseppe E. Lio +10 more
wiley +1 more source
Recent progress in acoustic travel-time tomography of the atmospheric surface layer
Meteorologische Zeitschrift, 2009 Acoustic tomography of the atmospheric surface layer (ASL) is based on measurements of the travel times of sound propagation between sources and receivers which constitute a tomography array.
Vladimir E. Ostashev +4 more
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