Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Shande Li"'
Publikováno v:
PLoS ONE, Vol 18, Iss 10, p e0288847 (2023)
Extracting speech information from vibration response signals is a typical system identification problem, and the traditional method is too sensitive to deviations such as model parameters, noise, boundary conditions, and position. A method was propo
Externí odkaz:
https://doaj.org/article/469eb7270b5f43caa8d2df915dc3c98a
Publikováno v:
Mathematics, Vol 11, Iss 10, p 2378 (2023)
The reliability of the high-voltage drive motor system for pure electric commercial vehicles is in premium demand. Conventional reliability based on fault tree analysis methods is not suitable for the quantitative assessment of polymorphic systems. A
Externí odkaz:
https://doaj.org/article/ce64f8b8ce2d456eb92eea15be0fba76
Publikováno v:
Materials, Vol 16, Iss 3, p 1308 (2023)
Membrane-type acoustic metamaterials (MAMs) are the focus of the current research due to their lightweight, small size, and good low-frequency sound insulation performance. However, there exists difficulties for extensive application because of the n
Externí odkaz:
https://doaj.org/article/050a211b0aec4a9c923bb02cb4fa0d00
Publikováno v:
Mathematics, Vol 11, Iss 3, p 502 (2023)
The sound insulation capacity of traditional sound insulation boards is limited by the law of mass, and any improvement in sound insulation capacity contradicts the demand for light weight. In order to overcome this shortcoming, a lightweight particl
Externí odkaz:
https://doaj.org/article/bed18347a6874549a953f9206f25a035
Publikováno v:
Results in Physics, Vol 30, Iss , Pp 104879- (2021)
Considering the influence of hydrostatic pressure on geometric parameters of a lining, this paper first proposes a complete global four-terminal acoustic theoretical prediction method based on phenomenological theory for a semi-active composite coati
Externí odkaz:
https://doaj.org/article/254a42d82ac4404ead73eb2cc0d214d3
Publikováno v:
Mathematics, Vol 10, Iss 17, p 3088 (2022)
In order to overcome the problem of the low fitting accuracy of the expected improvement point infill criteria (EI) and the improved expected improvement point infill criteria (IEI), a high-precision surrogate modeling method based on the parallel mu
Externí odkaz:
https://doaj.org/article/1b48b113176c4b45a8b68308e61abbfc
Publikováno v:
Shock and Vibration, Vol 2021 (2021)
A composite matching layer composed of periodically arranged scatters with anti-reflection (AR) characteristics is proposed for broadband scattering reduction. The anti-reflection structure is composed of periodically arranged metal foam scatters, an
Externí odkaz:
https://doaj.org/article/1ba8e577d18a4fcd8abcd000d4fe38e2
Publikováno v:
Mathematics, Vol 10, Iss 9, p 1548 (2022)
The optimization method based on the surrogate model has been widely used in the simulation and calculation process of complex engineering models. However, in this process, the low accuracy and computational efficiency of the surrogate model has alwa
Externí odkaz:
https://doaj.org/article/00d5dd55db4d443aab9d12e38e7bc47d
Publikováno v:
Materials, Vol 15, Iss 2, p 490 (2022)
The existing sandwich structure of the aircraft cabin demonstrates a good sound insulation effect in medium and high frequency bands, but poor in the low frequency band. Therefore, we propose an infinite new lightweight broadband noise control struct
Externí odkaz:
https://doaj.org/article/1c229e30949646039accffedde2e27fe
Publikováno v:
Applied Sciences, Vol 11, Iss 16, p 7411 (2021)
To establish an accurate sea ice model is a tremendous challenge in Arctic acoustic research. Regarding this matter, a multilayered porous sea ice model is proposed based on Biot’s theory in this paper. Assuming that the model is sandwiched between
Externí odkaz:
https://doaj.org/article/5c382521b3514761ae4b675629f165c5