Articles with "surface impedance" as a keyword



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Characterization of surface impedance of vibro-acoustic subdomains with experimental measurements

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Published in 2019 at "Journal of Sound and Vibration"

DOI: 10.1016/j.jsv.2019.114876

Abstract: Abstract In substructuring approaches in the field of acoustics, subdomains are mostly characterized by impedance or mobility at their interfaces with other subdomains. This allows handling large systems broken down into smaller, easier to solve… read more here.

Keywords: surface impedance; vibro acoustic; impedance; impedance vibro ... See more keywords
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Down to Earth With Nuclear Electromagnetic Pulse: Realistic Surface Impedance Affects Mapping of the E3 Geoelectric Hazard

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Published in 2021 at "Earth and Space Science"

DOI: 10.1029/2021ea001792

Abstract: An analysis is made of Earth‐surface geoelectric fields and voltages on electricity transmission power‐grids induced by a late‐phase E3 nuclear electromagnetic pulse (EMP). A hypothetical scenario is considered of an explosion of several hundred kilotons… read more here.

Keywords: surface impedance; nuclear electromagnetic; impedance; electromagnetic pulse ... See more keywords
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Novel Surface Impedance Modeling for Broadband Parameter Extraction of 3-D Interconnects

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Published in 2017 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2016.2630842

Abstract: A novel boundary integral equation based method for modeling 3-D interconnects is proposed to compute the equivalent surface impedance in this letter. Differing from the traditional algorithm to discretize the conductor cross section, the proposed… read more here.

Keywords: surface impedance; novel surface; impedance modeling; surface ... See more keywords
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Surface Impedance of an Electromagnetic Field Excited by a Grounded Horizontal Antenna in the Earth–Ionosphere Waveguide

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Published in 2019 at "Izvestiya, Physics of the Solid Earth"

DOI: 10.1134/s1069351319020113

Abstract: The analytical formulas are obtained for the tangential components of an extremely low-frequency electromagnetic field in the Earth–ionosphere plane waveguide excited by a grounded linear horizontal antenna. The behavior of the surface impedance is studied… read more here.

Keywords: earth; electromagnetic field; field; surface impedance ... See more keywords
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Maximizing the forward scattering of dielectric nanoantennas through surface impedance coatings.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.456958

Abstract: In this Letter, we discuss a novel, to the best of our knowledge, approach for designing passive nanoantennas with maximum forward and almost-zero backward scattering. The proposed approach is based on the use of high-index… read more here.

Keywords: maximizing forward; forward scattering; surface; surface impedance ... See more keywords
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Effect of Surface Impedance on Radiation Fields of Spherical Antennas

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Published in 2017 at "Progress in Electromagnetics Research Letters"

DOI: 10.2528/pierl17090102

Abstract: Influence of surface impedance on radiation fields of spherical antennas excited by radially oriented electric dipole is investigated by using a Green’s function for a space outside a spherical scatterer. This approach allows us to… read more here.

Keywords: surface impedance; fields spherical; radiation fields; impedance radiation ... See more keywords