Results 31 to 40 of about 230,808 (236)
Generalized Sierpinski fractal multiband antennas [PDF]
, 2001 A new set of fractal multiband antennas called mod-p Sierpinski gaskets is presented. Mod-p Sierpinski fractal antennas derive from the Pascal triangle and present a log-periodic behavior, which is a consequence of their self-similarity properties. Mod-p
Soler, Jordi, Romeu Robert, Jordi
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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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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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Fusogenic RNA Nanomodules for Fusion‐Mediated and Multiplexed siRNA Delivery
Advanced Functional Materials, EarlyView.A fusogenic lipid‐layered RNA nanomodules (L‐CRAMs) enable high‐capacity and long‐lasting siRNA delivery through membrane fusion. These nanomodules carry exceptionally large siRNA payloads, avoid conventional endosomal uptake, and release multiple functional siRNAs through Dicer‐mediated processing.
Sunghyun Moon +5 more
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Advanced Functional Materials, EarlyView.A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao +6 more
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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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Advanced Functional Materials, EarlyView.Advanced ink systems for solution‐processed textile triboelectric nanogenerators are systematically summarized, spanning conductive, tribo‐negative, and tribo‐positive layers. By connecting ink chemistry, deposition methods, and device function, the present review reveals the key governing principles of solution development and highlights practical ...
Xinlong Sun, Stephen Beeby
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Fractal Metasurfaces and Antennas: An Overview for Advanced Applications in Wireless Communications
Applied SciencesThis paper provides an overview of fractal antennas and metasurfaces, exploring their design principles, performance, and applications. Fractal antennas, incorporating self-similar geometric shapes, offer several advantages, such as their multiband ...
Francesca Venneri +2 more
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Relationship among resonant frequencies of Sierpinski multiband fractal antennas
ITM Web of Conferences, 2017 In this paper, the relationships between the different resonance frequencies of Sierpinski fractal antennas of four-iterations are studied. In particular, Sierpinski fractal antennas with operating frequencies of the initial triangle of 250 MHz, 350 MHz ...
Gonzalez-Rangel Ivan R. +5 more
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