Results 291 to 300 of about 218,129 (345)

A Resolution of the Variability Discrepancy Between Peak Ground Acceleration and Spectral Stress Drop

Shota Shimmoto
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Laser-driven proton acceleration beyond 100 MeV by radiation pressure and Coulomb repulsion in a conduction-restricted plasma. [PDF]

Nat Commun
Shou Y, Wu X, Pae KH, Ahn GE, Kim SY, Kim SH, Yoon JW, Sung JH, Lee SK, Gong Z, Yan X, Choi IW, Nam CH.   +12 more
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Accelerando and crescendo in African penguin display songs

Hersh TA, Jadoul Y, Gamba M, Ravignani A, Favaro L.   +4 more
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Chebyshev Accelerated Spectral Clustering

Proceedings of the 14th ACM International Conference on Web Search and Data Mining, 2021
Spectral clustering is widely used in modern data analysis. Spectral clustering methods speed up the computation and keep useful information by reducing dimensionality. Recently, graph signal filtering (GSF) has been introduced to further speed up the dimensionality reduction process by avoiding solving eigenvectors.
Yonghua Zhao, Rongfeng Huang, Shifang Liu, Xinyin Zhang, Tianyu Yu   +4 more
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Accelerating ptychography with spectral initializations

Quantitative Phase Imaging VII, 2021
Combining synthetic aperture approaches with reference-less setups, ptychography is a promising phase retrieval technique for label-free quantitative phase imaging. Within the phase retrieval community, spectral methods are known to accelerate gradient descent schemes, however their positive effect on experimental ptychographic datasets has not been ...
Jonathan Dong, Sylvain Gigan, Lorenzo Valzania   +2 more
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Empirical Correlations between the Spectral Input Energy and Spectral Acceleration

Journal of Earthquake Engineering, 2022
Correlating different intensity measures (IMs) enables the joint consideration of multiple IMs in various performance-based earthquake engineering applications, such as ground motion selection. The correlations between the spectral input energy and spectral accelerations have not been previously examined.
Yin Cheng, Jianfeng Wang, Yingbin Zhang, Fabrizio Mollaioli   +3 more
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Correlation of Spectral Accelerations for Earthquakes in China

Bulletin of the Seismological Society of America, 2017
Abstract Conditional mean spectrum (CMS) is increasingly being accepted as a more reasonable target spectrum for selecting earthquake records than uniform hazard spectrum. Construction of CMS requires the determination of correlation coefficients of spectral accelerations. This article presents the first investigation of correlation coefficients based
Yefei Ren, Kun Ji, Najib Bouaanani, Ruizhi Wen   +3 more
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Spatial Correlation of Spectral Acceleration in European Data

Bulletin of the Seismological Society of America, 2012
Abstract Quantification of regional seismic risk is based on spatially correlated random fields and requires modeling of the joint distribution of ground‐motion intensity measures at all sites of interest. In particular, when a portfolio of buildings or a transportation/distribution network (lifeline) is of concern, correlation models for elastic ...
Esposito S., IERVOLINO, IUNIO
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Accelerated Spectral Analysis of Compact Operators

SIAM Journal on Numerical Analysis, 1984
An acceleration technique is developed that significantly improves the accuracy of a wide class of well-known numerical procedures for approximating the spectra of linear compact operators. A given portion of the spectrum is determined to any desired accuracy by implementing an eigenvalue problem of fixed dimension for a matrix polynomial in the ...
Morton B. Friedman, David R. Dellwo
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