Zobrazeno 1 - 10
of 21 622
pro vyhledávání: '"Reflection coefficient"'
Publikováno v:
International Journal of Numerical Methods for Heat & Fluid Flow, 2024, Vol. 34, Issue 9, pp. 3416-3437.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/HFF-02-2024-0095
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 27, Iss 3, Pp 99-109 (2024)
Background. The using of mirror asymmetric chemical compounds for doping quartz makes it possible to metamaterial creation that has the chirality property. In such a compositional structure, unusual effects may arise when interacting with an optical
Externí odkaz:
https://doaj.org/article/14dc29dcdb4b437087802991caf1eed0
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 27, Iss 3, Pp 7-16 (2024)
Background. Plasma density variations caused by infrasonic wave can significantly affect conditions of propagation and reflection of whistler electromagnetic wave incident on the ionosphere from above. Aim. In that work, relationship between the coef
Externí odkaz:
https://doaj.org/article/86d5ed0bccb9419da9ce7962bea02e92
Autor:
Dmitry N. Panin, Oleg V. Osipov
Publikováno v:
Физика волновых процессов и радиотехнические системы, Vol 27, Iss 2, Pp 30-37 (2024)
Background. Taking into account temperature, soil composition, surface roughness and the dependence of effective dielectric constant on frequency allows a more accurate assessment of soil moisture and other important parameters, which can be used in
Externí odkaz:
https://doaj.org/article/5a7f9a11dc8146c4b42b34931b341f7e
Publikováno v:
Radio Physics and Radio Astronomy, Vol 29, Iss 2, Pp 98-104 (2024)
Subject and Purpose. The paper is aimed at suggesting ways for implementing electromagnetic devices that would involve a nonlinear dielectric inside the structure for concentrating electromagnetic field within it at relatively low intensities of the
Externí odkaz:
https://doaj.org/article/561d5df21b4f42668adccf958849a852
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102455- (2024)
Wave channels are essential facilities for testing physical models at a laboratory scale, playing a pivotal role in advancing wave energy technology and understanding wave interactions with the coastal infrastructure. These channels enable researcher
Externí odkaz:
https://doaj.org/article/5d3c634715e34b588b933422ce2d3aa1
Autor:
Nikolay Kanev
Publikováno v:
Acoustics, Vol 6, Iss 2, Pp 509-522 (2024)
Different types of resonators are used to create acoustic metamaterials and metasurfaces. Recent studies focused on the use of multiple resonators of the dipole, quadrupole, octupole, and even hexadecapole types. This paper considers the theory of an
Externí odkaz:
https://doaj.org/article/f174217d3fcf415fbb91574ca986e1fa
Autor:
V. A. Bogush, L. V. Lynkou, N. V. Nasonova, S. L. Prischepa, E. S. Belousova, O. V. Boiprav, H. V. Davydau, V. A. Papou, A. V. Patapovich, H. A. Pukhir
Publikováno v:
Doklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, Vol 22, Iss 2, Pp 42-54 (2024)
Technologies for the manufacture of microwave electromagnetic shields based on powdered carbon, foil and composite multilayer materials are presented. Technological methods for their manufacture and shielding properties are described, and the main me
Externí odkaz:
https://doaj.org/article/579924d8e61d46f894004e104527afab
Publikováno v:
Известия Иркутского государственного университета: Серия "Математика", Vol 47, Iss 1, Pp 63-77 (2024)
In this paper, we study the negative order modified Korteweg-de Vries (nmKdV) equation in the class of rapidly decreasing functions. In particular, we show that the inverse scattering transform technique can be applied to obtain the time dependence o
Externí odkaz:
https://doaj.org/article/d29061d7f4e944d199392ddde5e08967