Results 11 to 20 of about 361,087 (295)
Space Weather, 2022 A study is made of the relations between geomagnetic and geoelectric field variation, Earth‐surface impedance, and operational interference (“anomalies”) experienced on electric‐power systems across the contiguous United States during the 13–14 March ...
Jeffrey J. Love +5 more
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Direction-of-arrival estimation with blind surface impedance compensation for spherical microphone array [PDF]
JASA Express Letters, 2021 The direction-of-arrival (DoA) estimation from spherical microphone array data requires mode strength compensation for removing the dependency on the array surface impedance.
Dongheon Lee, Byeongho Jo, Jung-Woo Choi
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Contactless Waveguide Characterization of Piezoresistive Materials for Wireless Strain Sensors
Sensors, 2022 Stretchable materials are widely used for the realization of various sensors, but their radio frequency behavior has not been fully characterized so far. Here, an innovative method is proposed for deriving the surface impedance of this kind of materials.
Sandra Rodini +3 more
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IET Microwaves, Antennas & Propagation, 2023 The authors investigate electromagnetic scattering by a circular strip with impedance boundary conditions in detail. The excitation is obtained by the H‐polarised line source and the impedance boundary condition with different impedance values on each ...
Vasil Tabatadze +2 more
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Time-Domain Behavior of Plasmonic Half-Spaces
IEEE Photonics Journal, 2012 The time-domain surface impedance for a plane-wave incidence on a half-space with conductive and plasmonic properties is theoretically investigated. This paper provides closed-form time-domain expressions of time-domain surface impedance values that can ...
M. Stumpf, G. A. E. Vandenbosch
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Instruments, 2021 Axions, hypothetical particles theorised to solve the strong CP problem, are presently being considered as strong candidates for cold dark matter constituents.
Andrea Alimenti +5 more
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IEEE Access, 2019 This paper describes a compact inverted-L antenna (ILA) topology that can enhance antenna performance by utilizing one-dimensional electromagnetic bandgap (1-D EBG) ground structures and two-stage beam directors.
Jae-Yeong Lee +3 more
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Analysis of Nano-Wires at Terahertz and Optical Frequencies Using Surface Impedance Models [PDF]
AUT Journal of Electrical Engineering, 2021 Different surface impedance models are applied to circular nano-wires at terahertz and optical frequencies and the accuracy of these surface impedance boundary conditions (SIBCs) is studied.
Alireza Gholipour
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Simultaneously encoding movement and sEMG-based stiffness for robotic skill learning [PDF]
, 2021 Transferring human stiffness regulation strategies to robots enables them to effectively and efficiently acquire adaptive impedance control policies to deal with uncertainties during the accomplishment of physical contact tasks in an unstructured ...
Cheng, Hong +4 more
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Adaptive Variable-Damping Impedance Control for Unknown Interaction Environment
Mathematics, 2023 Aiming at the force-tracking error phenomenon of impedance control in an unknown surface environment, an adaptive variable-damping impedance control algorithm is proposed, and the stability and convergence of the algorithm are deduced.
Dawei Gong +5 more
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