Zobrazeno 1 - 10
of 1 546
pro vyhledávání: '"Dispersion analysis"'
Autor:
Yu-Tai Wu, Robert R. Stewart
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The low-frequency content of seismic waves in exploration is of substantial value as it can benefit imaging and inversion by providing deeper penetration, broader-band energy, and wavelet stability. However, characterizing the factors contributing to
Externí odkaz:
https://doaj.org/article/b9434ee20bda484c9be61e4cf4bc3bf4
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 96, Iss 4 (2024)
Abstract A new approach in the finite difference framework is developed, which consists of three steps: choosing the dimension of the local approximation subspace, constructing a vector basis for this subspace, and determining the coefficients of the
Externí odkaz:
https://doaj.org/article/e749b8acb14d4b89881de62e289ffc50
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 936, Pp 24-00023-24-00023 (2024)
Vibration reduction strategies based on wave propagation phenomena, such as generating band gaps in periodic structures, are attracting attention in the field of mechanical engineering. This paper investigates how the structural and material composit
Externí odkaz:
https://doaj.org/article/adb6668bf15b42f7836d5daacc0ef962
Publikováno v:
Омский научный вестник, Vol 1 (189), Pp 35-40 (2024)
The structure and elemental composition of titanium foil annealed in an inert ambient in the presence of hydrocarbons are studied by optical microscopy and scanning electron microscopy. The heat treatments carried out are simulated the synthesis p
Externí odkaz:
https://doaj.org/article/6fd8e4520a8c4048b76098b251150d21
Publikováno v:
Remote Sensing, Vol 16, Iss 23, p 4484 (2024)
Ambient noise surface wave exploration is one of the fields of interest in geophysical research. Extracting dispersion curves and inverting the S-wave velocity structure from the dispersion characteristics is also of primary importance. The accuracy
Externí odkaz:
https://doaj.org/article/47398a8cd9ac454b9ed0d6f86280e416
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 3, Pp 568-580 (2024)
In this work, we examine the methodology for numerically computing the dispersion diagram of three-dimensional periodic structures using commercial electromagnetic simulators. Examples of periodic structures based on body-centered cubic, face-centere
Externí odkaz:
https://doaj.org/article/09199e2824064be3aced985c2074d47e
Akademický článek
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Publikováno v:
Aerospace, Vol 11, Iss 8, p 637 (2024)
Phononic crystals based on lattice structures provide important wave dispersion characteristics as band structures, showing excellent compatibility with additive manufacturing. Although the lattice structures have shown the potential for vibration su
Externí odkaz:
https://doaj.org/article/a8cab39dee6943499da2588a5aa2974d
Publikováno v:
Біологічні студії, Vol 17, Iss 3, Pp 33-46 (2023)
Background. The effects of 40% ethanolic nettle extract (the first factor) and adrenaline-induced stress (the second factor) were evaluated, both individually and in combination, on some biochemical and hematological parameters in rats using a two-fa
Externí odkaz:
https://doaj.org/article/e0d562d66b69422db408a4d0f16667aa