Zobrazeno 1 - 10
of 1 208
pro vyhledávání: '"Thin wire"'
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 18, Iss 4, Pp 20-27 (2023)
ObjectivesUnder the condition of considering the influence of the sea surface, the relationships between the induced current of a whip antenna on a large ship under the incidence of high-altitude nuclear electromagnetic pulse (HEMP) and the incident
Externí odkaz:
https://doaj.org/article/75eabed38fa44e649a18157e4beb8020
Autor:
Dmitry P. Tabakov, Ruslan M. Valiullin
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 26, Iss 1, Pp 38-48 (2023)
The article considers mathematical models of two spheroidal spiral-frame emitters, built on the basis of a general approach involving the use of an integral representation electromagnetic field. The internal problem of electrodynamics is reduced to a
Externí odkaz:
https://doaj.org/article/bb2f8831aa204fc7b981a1d2c65aa220
Akademický článek
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Autor:
Andrij MILENIN
Publikováno v:
Applied Computer Science, Vol 18, Iss 3, Pp 42-53 (2022)
The paper discusses the solving of inverse thermomechanical problems requiring a large number of FEM tasks with various boundary conditions. The study examined the case when all tasks have the same number of nodes, finite elements, and nodal connecti
Externí odkaz:
https://doaj.org/article/f6ff2213feaf449babfa2f56d473c7f3
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 25, Iss 2, Pp 7-14 (2022)
The article is devoted to numerical methods for solving the problem of diffraction of electromagnetic waves by conducting bodies. Two approaches to solving the problem are considered. The first one is based on the use of the thin-wire integral repres
Externí odkaz:
https://doaj.org/article/dcf76528d8224f5cbafefa3fdc8f63e5
Autor:
Bhardwaj, Abhinav, Pratap, Dheeraj, Semple, Mitchell, Iyer, Ashwin K., Jayannavar, Arun M., Ramakrishna, S. Anantha
Publikováno v:
Comptes Rendus. Physique, Vol 21, Iss 7-8, Pp 677-711 (2021)
Metamaterials are artificially structured composite materials that show unusual properties not usually available in natural materials. In general, metamaterial structures and properties are anisotropic. A waveguide filled with an anisotropic metamate
Externí odkaz:
https://doaj.org/article/032be8c5e92f480b8f1e1890ecadb428
Publikováno v:
IET Generation, Transmission & Distribution, Vol 14, Iss 25, Pp 6168-6178 (2020)
Underground cables such as pipe‐type cables are widely used in urban power industry. In this study, an advanced thin‐wire model of the pipe‐type cables is 3D FDTD simulations. In this model, the multi‐conductor cables are represented with two
Externí odkaz:
https://doaj.org/article/55a5e058146d4add8db5664fb7b06b1a
Akademický článek
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Publikováno v:
Радиофизика и электроника, Vol 24, Iss 3, Pp 3-8 (2019)
Subject and Purpose. In laser measurements technique, the absorption and scattering of microwave radiation in a wire, which diameter is much smaller than the wavelength, can be very large. The absorption and scattering efficiency factors can reach va
Externí odkaz:
https://doaj.org/article/50f4b32c70a34295b31cc4e8bba4d11b
Publikováno v:
Telfor Journal, Vol 11, Iss 1, Pp 46-51 (2019)
We investigate the influence of a wire-based impedance-matching network for an axial-mode helical antenna on the radiation pattern. This network, proposed in our previous work, comprises a single wire attached to the helix. We show that the matching
Externí odkaz:
https://doaj.org/article/712af69860cc438db7f556aa331f6ed8