Results 41 to 50 of about 1,806 (250)
Electronics Letters, 1998 The fractal volume antenna concept is introduced in order to increase the degree of design freedom associated with fractal antenna elements and hence improve their input matching characteristics. Practical examples are given involving the Sierpinski triangular gasket monopole and a novel Sierpinski carpet gasket microstrip antenna.
G.J. Walker, J.R. James
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Fractal Interpolation Function based Thin Wire Antennas
, 2023 - This paper presents an approach for the design of wire antennas based on fractal interpolation functions (FIFs). The interpolation points , the contraction factors of the FIFs are chosen as free parameters to modify the antenna geometry.
Kalender, GİZEM +2 more
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Dual Band and Beam-Steering Antennas Using Reconfigurable Feed on Sierpinski Structure
International Journal of Antennas and Propagation, 2015 Fractal patch antennas based on the Sierpinski structure are studied in this paper. The antennas operate at dual bands (around 2 and 5 GHz) and are designed to steer the beam directions at around 5 GHz band (the first harmonic).
Seonghun Kang, Chang Won Jung
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Физика волновых процессов и радиотехнические системы, 2020 This article is devoted to the study of the possibilities of increasing spectral efficiency in MIMO systems by using antennas with substrates of biisotropic and bianisotropic chiral metamaterials and various types of fractal emitters, in particular ...
Andrey N. Bespalov +3 more
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A reconfigurable wideband and multiband antenna using dual-patch elements for compact wireless devices [PDF]
, 2012 This is the post-print version of the Article. The official published version can be accessed from the link below - Copyright @ 2012 IEEEA reconfigurable wideband and multiband C-Slot patch antenna with dual-patch elements is proposed and studied.
AbuTarboush, HF +26 more
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Characteristics of a gigahertz patch antenna of the «fractal tree» type
Физика волновых процессов и радиотехнические системыBackground. According to a number of researchers, fractal antennas, including those for the gigahertz frequency range, have a fundamental multi-frequency, which makes it possible to reduce their number in a compact device for wireless communication ...
Rudolf A. Brazhe, Egor Yu. Lebedev
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International Journal of Antennas and Propagation, 2012 Smart antennas offer a broad range of ways to improve wireless system performance. They provide enhanced coverage through range extension, hole filling, and better building penetration.
Mounissamy Levy +3 more
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Design of silicon-based fractal antennas
, 2013 This article presents Sierpinski carpet fractal antennas implemented in conventional low resistivity (Ï =10 Ω cm) as well as high resistivity (Ï =1500 Ω cm) silicon mediums.
Shamim, Atif, Ghaffar, Farhan A.
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3D Printing Innovations in Polymeric Porous and Patterned Architecture
Advanced Functional Materials, EarlyView.Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil +13 more
wiley +1 more source
Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics
Advanced Materials, EarlyView.“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair +3 more
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