Results 31 to 40 of about 7,955,705 (309)
IEEE Access, 2023 This study proposes a dielectric lens antenna that implements an impedance matching layer comprising square-pillar periodic structures on the lens surface to reduce the surface reflection formed in the lens from a high-permittivity dielectric material ...
Bazilah Baharom +7 more
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On computing inner-outer factorizations of periodic systems [PDF]
, 2013 A numerically reliable state space algorithm is proposed for computing inner-outer factorizations of causal periodic descriptor systems. The main computational ingredients are the computation of a special condensed Kronecker-like form of periodic ...
Varga, Andreas, Andreas Varga
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Numerical Analysis of the Mitigation Performance of a Buried PT-WIB on Environmental Vibration
Sensors, 2023 Environmental vibration pollution has serious negative impacts on human health. Among the various contributors to environmental vibration pollution in urban areas, rail transit vibration stands out as a significant source.
Lei Gao +3 more
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Gongneng cailiao yu qijian xuebaoThis paper proposes a new structure of periodic photonic crystal based on the hybrid integration of silicon-based waveguides and phase change materials, which is used to construct optical switch device.
Wei ZHU +4 more
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IEEE Access, 2019 The development of wireless and satellite communication has led to a demand for high-performance microwaves and mm-wave components in terms of cost, losses, and fabrication complexity.
Syed M. Sifat +3 more
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Homogenization of a Thermoelastic Bristly Structure Immersed in a Thermofluid
AxiomsThe article considers the mathematical model describing the joint motion of a viscous compressible heat-conducting fluid and a thermoelastic plate with a fine two-level thermoelastic bristly microstructure attached to it.
Sergey Sazhenkov, Elena Sazhenkova
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Acoustic wavefront manipulation via transmission-type labyrinth structure
Frontiers in Physics, 2022 In this work, a transmission-type labyrinth structure (LS) is proposed to construct subwavelength acoustic functional metasurfaces, through which various desirable acoustic wavefront manipulation can be achieved in a broadband from 2,700 Hz to 3,900 Hz ...
Rui Wang, Fengbao Yang
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IEEE AccessIn this manuscript, gain improvement is observed for an ultra-wideband (UWB) antenna. The proposed arrangement is optimally designed for high gain wideband communications.
Bisma Arif +7 more
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3-D Printed Lattice Core for Wide Angle Scanning Radome at X-Band
IEEE Access, 2023 In this paper, we introduce a 3-D printed lattice core for wide-angle scanning radome operating in the X-band. We explain the fundamental design methodology of the sandwich structure for radome and outline the technique to represent the 3-D printed core ...
Daeyeong Yoon +2 more
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Applications of periodic structures and metamaterials for antenna design
Acta Technica Jaurinensis, 2022 Nowadays, wireless telecommunication is playing an increasing role in almost every field. With the spread of IoT and 5G technologies, all electronic devices will communicate over a network and millions of devices can be connected to each other over such ...
Péter Prukner, Miklós Kuczmann
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