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of residuals currents, . We also decompose the activity into its coherent component, , and vector of residual activity , . Because of the orthogonality between input and output mode , the output mode ignores ...
both earthquake-based and ambient-noise-based surface wave analysis for subsurface characterization. In our study, the horizontally orthogonal DAS array records ambient noise data for a period of about ...
Abstract Active and passive procedures for estimating the local seismic response from surface- wave measurements are compared for a test site in the Bornheim area (Germany), where independent ...
move your hands will depend on the things you encounter. In other words, hand movements generate haptic sensations [1] and exploratory movements depend on the object property of interest [2]. Recent ...
a purely passive alternative to active -source ocean acoustic remote sensing. In this paper we give an overview of results from noise interferometry experiments conducted in the Florida Straits at 100 m depth ...
and topology-inspired acoustic engineering, non-Hermitian parity–time synthetic active metamaterials, and one-way propagation of sound waves . These developments may underpin the next generation of acoustic ...
these problems, Huang proposes the ensemble empirical mode decomposition (EEMD) algorithm, whose essence is to add origin signals with Gauss white noise (Wu and Huang 2009). As Gauss white noise is uniform ...
application is the recently demonstrated single- mode laser actions [23,24]. Lasers are active optical devices that coherently generate and amplify photons by optical resonances of high quality factors ...
a subset of USAarray stations illuminated by fundamental- mode surface wave noise excited along the eastern coast of the USA (Wapenaar et al. 2011a). In this study, we use an array of stations located east ...
algorithm presented by Riahi et al. (2013), measured phase velocities and azimuths are used to estimate anisotropy parameters of the subsurface. Seismic anisotropy describes how properties of seismic wave ...
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