Results 1 to 10 of about 17,964 (305)
Research of the microwave generator and antenna emitters for hyperthermia of oncological diseases [PDF]
Омский научный вестник, 2022 Purpose. Currently (2022), the existing hyperthermia installations are large. As a result, hyperthermia treatment is carried out only where this equipment is located. In this paper, a study is conducted aimed at creating a compact hyperthermia device.
V. V. Fedyanin
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A New Observation in Spiral and Curl Antenna Configurations above the Ground Plane
Applied Sciences, 2022 We report here that spiral and curl antennas are essentially the same when using the moment method. This aids in the understanding and design of the two antennas, and serves as the groundwork for new ideas regarding antennas.
Kazuhide Hirose +2 more
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IEEE Access, 2023 Radial Line Slot Array (RLSA) antennas have appealing features including high gain and high efficiency combined with a low profile. Especially by highlighting their structural simplicity, RLSA antennas can be good competitors to reflector antennas if the
Onur Cumurcu +2 more
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Sensors, 2023 The goal of this article is to provide numerical and experimental assessments of an effective near-field to far-field transformation (NF–FF T) technique with planar spiral scanning for flat antennas under test (AUTs), which requires a non-redundant, i.e.,
Florindo Bevilacqua +6 more
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3-D-Printed Spiral Leaky Wave Antenna With Circular Polarization
IEEE Open Journal of Antennas and Propagation, 2023 This article presents the design, manufacturing and measurement of a fully dielectric leaky wave antenna operating at 18 GHz. The antenna is composed of a grounded dielectric substrate with a top dielectric Archimedean spiral corrugation, which allows ...
Tomas Lira-Valdes +2 more
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ELECTRICALLY SMALL DIPOLE, SPIRAL AND LOOP ANTENNAS [PDF]
Радиофизика и электроника, 2017 The results of studies in the range of microwave radio characteristics of linear wire electrically small antennas, which important properties are small size and weight, are presented.
V. V. Ovsyanikov
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Rapid Prototyping of Bio-Inspired Dielectric Resonator Antennas for Sub-6 GHz Applications
Micromachines, 2021 Bio-inspired Dielectric Resonator Antennas (DRAs) are engaging more and more attention from the scientific community due to their exceptional wideband characteristic, which is especially desirable for the implementation of 5G communications. Nonetheless,
Valeria Marrocco +7 more
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Nanoscale Research Letters, 2018 Antenna-coupled micro-bridge structure is proven to be a good solution to extend infrared micro-bolometer technology for THz application. Spiral-type antennas are proposed in 25 μm × 25 μm micro-bridge structure with a single separate linear antenna, two
Jun Gou +4 more
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A low‐profile wideband spiral antenna with multiple stopbands
IET Microwaves, Antennas & Propagation, 2023 A low‐profile spiral antenna with three stopbands (2.55 GHz band, 3.85 GHz band, and 5.45 GHz band) is developed. The stopbands are generated using three pairs of slots cut into the spiral arms.
Masahiro Tanabe, Hisamatsu Nakano
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Moment method analysis of an archimedean spiral printed on a layered dielectric sphere [PDF]
, 2008 A method of moments model is presented to analyze Archimedean spirals that are printed on a layered dielectric sphere. The model is derived assuming an arbitrary location of the spiral.
Khamas, S.K.
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