Results 11 to 20 of about 7,103 (260)

Wideband and UWB antennas for wireless applications. A comprehensive review [PDF]

, 2017
A comprehensive review concerning the geometry, the manufacturing technologies, the materials, and the numerical techniques, adopted for the analysis and design of wideband and ultrawideband (UWB) antennas for wireless applications, is presented. Planar,
Cicchetti, Renato, Miozzi, Emanuela, Testa, Orlandino   +2 more
core   +3 more sources

Printed antenna for satellite communications [PDF]

, 2010
2010 Proceedings of the Fourth European Conference on Antennas and Propagation ...
Fernández González, José Manuel, García Aguilar, Andrés, Inclan Alonso, Jose Manuel, Sierra Pérez, Manuel   +3 more
core   +1 more source

Parametric Analysis and Bandwidth Optimisation of Hybrid Linear-exponential Tapered Slot Vivaldi Antennas [PDF]

, 2018
This work presents an analysis of the effects of a hybrid linear-exponential tapered slot on the key properties of both the antipodal and co-planar Vivaldi antennas at low frequencies using parametric analysis and Nonlinear Sequential Programming ...
Gamage, Kelum A.A., Ukaegbu, Ikechukwu K.   +1 more
core   +1 more source

Potential Space Applications for Body-Centric Wireless and E-Textile Antennas [PDF]

, 2007
Space environment benefits of body-centric wireless communications are numerous, particularly in the context of long duration Lunar and Martian outposts that are in planning stages at several space agencies around the world.
Chu, Andrew W., Fink, Patrick W., Kennedy, Timothy F., Studor, George F.   +3 more
core   +2 more sources

Design of dual-band slotted patch hybrid couplers based on PSO algorithm [PDF]

, 2011
A planar 3 dB patch hybrid coupler using cross and circular-shape slots is presented for a dual-band application. By inductively loading a pair of cross slots and four circular holes on a square patch, the matching and isolation performance of the ...
Jiang, LJ, Li, Y, Sun, S, Yang, F
core   +1 more source

Low-Profile Dual Circularly Polarized Antenna Array for Satellite Communications in the X Band [PDF]

, 2011
A planar antenna is introduced that works as a portable system for X-band satellite communications. This antenna is low-profile and modular with dimensions of 40 × 40 × 2.5 × cm. It is composed of a square array of 144 printed circuit elements that cover
Fernández González, José Manuel, García Aguilar, Andrés, Inclán Alonso, José Manuel, Sierra Pérez, Manuel, Vigil Herrero, Lucía   +4 more
core   +2 more sources

Regression machine learning methods for isolation prediction and massive gain broadband MIMO antenna design for 28 GHz applications

Results in Optics
This research paper investigates the design and analysis of a miniaturized mm-Wave MIMO antenna array tailored for fifth-generation applications. The antenna demonstrates a calculated 10-dB impedance bandwidth of 16.61 % (27.137–31.788 GHz).
Md.Ashraful Haque, Redwan A. Ananta, Jun-Jiat Tiang, Mouaaz Nahas, Md Afzalur Rahman, Narinderjit Singh Sawaran Singh   +5 more
doaj   +1 more source

On Artificial Magneto-Dielectric Loading for Improving the Impedance Bandwidth Properties of Microstrip Antennas

, 2005
In the present paper we discuss the effect of artificial magneto-dielectric substrates on the impedance bandwidth properties of microstrip antennas. The results found in the literature for antenna miniaturization using magnetic or magneto-dielectric ...
Ikonen, Pekka, Maslovski, Stanislav, Simovski, Constantin, Tretyakov, Sergei   +3 more
core   +2 more sources

Photonic 2-D angle-of-arrival estimation based on an L-shaped antenna array for an early radar warning receiver.

Optics Express, 2020
Early radar warning is a significant step to lessen the fine scanning range of a receiver. The small size two-dimension (2-D) angle-of-arrival (AOA) estimation part with moderate accuracy and sensitivity is important for an early radar warning receiver ...
Tao Lin, Zhike Zhang, Yuehui Wang, Zihang Zhu, Shanghong Zhao, Jianguo Liu, Wei Jiang, Guozhang Wu   +7 more
semanticscholar   +1 more source

Supraparticles Composed of Graphitic Carbon Nitride Nanoparticles and Silica‐Supported Horseradish Peroxidase as Customizable Hybrid Catalysts for Photo‐Biocatalytic Cascade Reactions in Continuous Flow

Advanced Functional Materials, EarlyView.
Herein presented supraparticles combine the nanoparticulate photocatalyst graphitic carbon nitride with the enzyme horseradish peroxidase, which is immobilized on silica nanoparticles. In an optimized compatibility range, both catalysts operate effectively within the hybrid supraparticles and catalyze a cascade reaction consisting of the photocatalytic
Bettina Herbig, Egzon Cermjani, Doris Hanselmann, Johannes Prieschl, Angelika Schmitt, Michael S. Moritz, Christian Papp, Greta Nölke, Stefano Di Fiore, Christoph Deckers, Thomas H. Rehm, Susanne Wintzheimer   +11 more
wiley   +1 more source