Ultra-wideband underwater acoustic transducer with a gradient impedance matching layer
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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
Closed-Form Analytical Design of Optically Transparent Wideband Absorbers for 5G Technology
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DOI: 10.1109/temc.2020.3042270
Abstract: The design of new transparent absorbers for the upcoming fifth-generation (5G) technology is investigated. The absorbers consist of a matching layer, a lossy sheet, a spacer, and a back conducting layer (BCL). Both the matching… read more here.
Keywords: closed form; technology; form analytical; analytical design ... See more keywords