Impedance Matching Techniques of Multi-layered PZT Ceramics for Piezoelectric Energy Harvesters
Sign Up to like & getrecommendations! Published in 2019 at "Electronic Materials Letters"
DOI: 10.1007/s13391-019-00135-w
Abstract: In this research, the possibility of passive damping system based on the piezoelectric energy harvesting has been proposed and tested. To apply passive damper system, piezoelectric ceramics were stacked, and impedance was matched. Piezoelectric energy… read more here.
Keywords: energy; piezoelectric ceramics; piezoelectric energy; impedance matching ... See more keywords
Ultra-wideband underwater acoustic transducer with a gradient impedance matching layer
Sign Up to like & getrecommendations! Published in 2021 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2020.107789
Abstract: Abstract In complex marine environments, high-efficiency, wideband and high-frequency transducers can improve the imaging resolution of sonar systems and there is an urgent need for the detection and identification of seafloor landforms. The bandwidth expansion… read more here.
Keywords: impedance matching; gradient impedance; impedance; matching layer ... See more keywords
A coupled electrical-thermal impedance matching model for design optimization of thermoelectric generator
Sign Up to like & getrecommendations! Published in 2020 at "Applied Energy"
DOI: 10.1016/j.apenergy.2020.115037
Abstract: Abstract Based on the definition of numerical-type equivalent thermoelectric parameters through developing a 1D self-consistent numerical method, this paper established a novel coupled electrical-thermal impedance matching (CETIM) model for prediction of the maximum output power… read more here.
Keywords: output power; model; optimization; impedance matching ... See more keywords
Wave energy conversion under constrained wave-by-wave impedance matching with amplitude and phase-match limits
Sign Up to like & getrecommendations! Published in 2019 at "Applied Ocean Research"
DOI: 10.1016/j.apor.2019.101858
Abstract: Abstract This paper investigates an approach to limit the fullness of ‘tuning’ provided by wave-by-wave impedance matching control of wave energy devices in irregular waves. A single analytical formulation based on the Lagrange multiplier approach… read more here.
Keywords: impedance matching; conversion; wave impedance; power ... See more keywords
Synthesis of carbon-coated cobalt ferrite core–shell structure composite: A method for enhancing electromagnetic wave absorption properties by adjusting impedance matching
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Journal of Chemical Engineering"
DOI: 10.1016/j.cjche.2021.07.006
Abstract: Abstract Cobalt ferrite has problems such as poor impedance matching and high density, which results in unsatisfactory electromagnetic wave (EMW) absorption performance. In this study, the CoFe2O4@C core–shell structure composite was synthesized by a two-step… read more here.
Keywords: impedance matching; cobalt ferrite; absorption properties; structure ... See more keywords
Three-dimensional flower-like FeCoNi/reduced graphene oxide nanosheets with enhanced impedance matching for high-performance electromagnetic wave absorption
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.160877
Abstract: Abstract Nanostructured magnetic metal/reduced graphene oxide (rGO) composites, benefiting from well-performed losses including high dielectric/magnetic losses, have garnered considerable interest as advanced microwave absorbers (MAs) in recent years. Optional approaches of unique trimetallic/rGO nanostructures, however,… read more here.
Keywords: flower like; absorption; reduced graphene; impedance matching ... See more keywords
Deep understanding of impedance matching and quarter wavelength theory in electromagnetic wave absorption.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2021.03.132
Abstract: It is of great significance for absorber designers to correctly understand impedance matching and its related calculation methods, because excellent impedance matching effect is an important prerequisite for absorber to consume electromagnetic wave (EMW). However,… read more here.
Keywords: deep understanding; theory; understanding impedance; electromagnetic wave ... See more keywords
Microwave absorption of NdFe magnetic powders tuned with impedance matching
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2017.10.067
Abstract: Abstract Excellent microwave absorption performance was obtained from NdFe magnetic powders. A suitable oxidation heat treatment temperature can optimize the impedance matching effectively and result in a good absorption performance. By varying the coating thickness,… read more here.
Keywords: microwave absorption; ndfe magnetic; magnetic powders; impedance matching ... See more keywords
An impedance matching algorithm for common-mode interference removal in vagus nerve recordings
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Neuroscience Methods"
DOI: 10.1016/j.jneumeth.2019.108467
Abstract: BACKGROUND The peripheral nervous system is involved in a multitude of physiological functions. Recording neural signals provides information that can be used by diagnostic bioelectronic medicine devices, closed-loop neuromodulation therapies and other neuroprosthetic applications. The… read more here.
Keywords: impedance matching; interference; mode interference; common mode ... See more keywords
Three‐dimensional circular patch antenna under TM 02 mode with improved impedance matching
Sign Up to like & getrecommendations! Published in 2019 at "Electronics Letters"
DOI: 10.1049/el.2018.8183
Abstract: A circular patch antenna under TM 02 mode with improved impedance matching is proposed by adopting 3D architecture. It is known that the TM 02 mode of circular patch can generate omnidirectional radiation, but its… read more here.
Keywords: impedance matching; patch; circular patch; mode ... See more keywords
Impedance matching theory to design an all-optical AND gate
Sign Up to like & getrecommendations! Published in 2018 at "Iet Optoelectronics"
DOI: 10.1049/iet-opt.2018.0020
Abstract: An impedance matching theory-based methodology is presented in this study for designing/optimising photonic crystal-based all-optical AND gate. A basic architecture for the AND gate is projected first, and thereafter the same is optimised utilising the… read more here.
Keywords: methodology; optical gate; matching theory; gate ... See more keywords