Characterization of surface impedance of vibro-acoustic subdomains with experimental measurements
Sign Up to like & getrecommendations! 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
Down to Earth With Nuclear Electromagnetic Pulse: Realistic Surface Impedance Affects Mapping of the E3 Geoelectric Hazard
Sign Up to like & getrecommendations! 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
Investigating the effects of sum-frequency conversions and surface impedance uniformity in traveling wave superconducting parametric amplifiers
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Applied Physics"
DOI: 10.1063/5.0192030
Abstract: Traveling wave parametric amplifiers (TWPAs) offer the most promising solution for high gain, broadband, and quantum noise limited amplification at microwave frequencies. Experimental realization of TWPAs has proved challenging with often major discrepancies between the… read more here.
Keywords: frequency conversions; traveling wave; sum frequency; surface impedance ... See more keywords
Influence of the Metasurface Local Surface Impedance on the Surface Wave Launcher Efficiency
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2025.3565206
Abstract: One remaining challenge in modern metasurface-based surface wave technologies is efficient in- and out-coupling of energy. This letter demonstrates launching efficiencies up to 82% by varying the position of the launcher relative to the unit… read more here.
Keywords: local surface; surface wave; surface; surface impedance ... See more keywords
Novel Surface Impedance Modeling for Broadband Parameter Extraction of 3-D Interconnects
Sign Up to like & getrecommendations! 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
Surface Impedance of an Electromagnetic Field Excited by a Grounded Horizontal Antenna in the Earth–Ionosphere Waveguide
Sign Up to like & getrecommendations! 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
Maximizing the forward scattering of dielectric nanoantennas through surface impedance coatings.
Sign Up to like & getrecommendations! 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
Effect of Surface Impedance on Radiation Fields of Spherical Antennas
Sign Up to like & getrecommendations! 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