Results 1 to 10 of about 7,955,705 (309)
High-Efficiency and Reliable Value Geometric Standard: Integrated Periodic Structure Reference Materials [PDF]
Micromachines, 2023 Integrated periodic structure reference materials are crucial for calibration in optical instruments and micro-computed tomography (micro-CT), yet they face limitations concerning a restricted measurement range, a single pattern type, and a single ...
Chenying Wang +9 more
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Non-Reciprocal MEMS Periodic Structure
Actuators, 2023 In recent years, active periodic structures with in-time modulated parameters have drawn ever-increasing attention due to their peculiar (and sometimes exotic) wave propagation properties.
Jacopo Marconi +2 more
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IEEE Access, 2023 In this study, a novel antenna design is proposed for designing a frequency-reconfigurable wide-angle beam scanning antenna and applied to a squarely modulated reactance surface leaky wave antenna.
Doohyun Yang, Sangwook Nam
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Acta Acustica, 2022 Advanced Statistical Energy Analysis (ASEA) is used to predict vibrational response on a three-bay linear grillage of beams that supports multiple wave types when there is significant indirect coupling through tunneling mechanisms.
Wang Xing, Hopkins Carl
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An analytic solution of mathematical expectation for bogie-track interaction problems
Mechanical Engineering Journal, 2023 This paper presents a frequency-domain analytic solution of mathematical expectation for bogie-track dynamic interaction problems in which a random roughness on the railhead is considered.
Shun YOSHINO +2 more
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A Wide Frequency Scanning Printed Bruce Array Antenna with Bowtie and Semi-Circular Elements
Sensors, 2020 A printed edge-fed counterpart of the wire Bruce array antenna, for frequency scanning applications, is presented in this paper. The unit-cell of the proposed antenna consists of bowtie and semi-circular elements to achieve wide bandwidth from below 22 ...
Zeeshan Ahmed +2 more
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Mathematics, 2021 Composite materials consisting of a dielectric matrix with conductive inclusions are promising in the field of micro- and optoelectronics. The properties of a nanocomposite material are strongly influenced by the characteristics of the substances ...
Sergey Korchagin +6 more
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Modelling of a Polarization Insensitive UWB FSS with Band Stop Response [PDF]
Radioengineering, 2021 This paper presents a compact ultra-wideband frequency selective surface (FSS) with band stop response. The proposed single layer FSS is printed on FR-4 substrate with a unit cell periodicity of 0.138λ_0 × 0.138λ_0, corresponding to its lowest operating ...
S. Bijimanzil Abdulkareem +1 more
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Formulas for Fundamental Natural Frequency of Plane Periodic Truss
Structural Mechanics of Engineering Constructions and Buildings, 2023 This study considers a plane statically determinate truss with double lattice structure and without a lower chord. Well-known versions of this design are Fink and Bollman trusses.
Mikhail N. Kirsanov
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A new periodic interdigital structure - three dimensional realization based on two dimensional design [PDF]
Journal of the European Optical Society-Rapid Publications, 2012 A novel design concept of new periodic interdigital structure for total transmission is proposed from the perspective of electromagnetic (EM) field in this paper.
Ning H., Wang J., Xiong Q., Mao L.
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