Results 21 to 30 of about 179,358 (305)
Theory, Design, and Implementation of a New Family of Ultra-Wideband Metamaterial Microstrip Array Antennas Based on Fractal and Fibonacci Geometric Patterns [PDF]
Journal of Electromagnetic Engineering and Science, 2020 The theory and design of a new family of ultra-wideband (UWB) metamaterial (MTM) microstrip array antennas based on fractal and Fibonacci geometric patterns are investigated.
Besharat Rezaei Shookooh +2 more
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A Wideband Feed Network for Vivaldi Antenna Arrays
International Journal of Antennas and Propagation, 2022 A wideband feed network for a Vivaldi antenna array is presented. A limitation of current wideband antenna arrays is the bandwidth of either the feed network or the antenna element.
Natasha Antoinette Hall +2 more
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International Journal of Antennas and Propagation, 2021 Electronically controlled antenna arrays, such as reconfigurable and phased antenna arrays, are essential elements of high-frequency 5G communication hardware.
Stanislav Ogurtsov +2 more
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RFID coverage extension using microstrip-patch antenna array [PDF]
, 2009 In this paper, a UHF-band 2 x 2 microstrip phased-array antenna is designed and implemented to extend the coverage of an RFID reader system. The phased-array antenna has four microstrip-patch antennas, three Wilkinson power dividers, and a transmission ...
Abbak, Mehmet +2 more
core +1 more source
Microstrip patch antenna array for range extension of RFID applications [PDF]
, 2008 In this paper, an UHF band 2X2 microstrip phased antenna array is designed for extending the range of an RFID reader system. The phased antenna array operates at the frequency of 867 MHz, as specified in Gen2 protocol European standards.
Abbak, Mehmet +2 more
core +1 more source
Multi-Objective Synthesis of Filtering Dipole Array Based on Tuning-Space Mapping [PDF]
, 2015 In the paper, we apply tuning-space mapping to multi-objective synthesis of a filtering antenna. The antenna is going to be implemented as a planar dipole array with serial feeding.
Lacik, J., Raida, Zbyněk, Vsetula, P.
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IET Microwaves, Antennas & Propagation, 2021 In this article, three novel slotted substrate integrated waveguide (SIW) antenna elements are demonstrated with different radiator configurations, namely, two arms Archimedean antenna, single‐arm spiral antenna (monofilar), and four concentric circular ...
Alla M. Eid +2 more
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Study of array plasma antenna parameters
AIP Advances, 2018 This paper is aimed to investigate the array plasma antenna parameters to help the optimization of an array plasma antenna. Single plasma antenna is transformed into array plasma antenna by changing the operating parameters. The re-configurability arises
Rajneesh Kumar, Prince Kumar
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Optimal Three-Dimensional Antenna Array for Direction Finding With Geometric Constraint
IEEE Access, 2020 This paper studies the optimal three-dimensional (3-D) antenna array for direction finding when the antenna array is subject to geometric constraint. Two-dimensional (2-D) planar array has been widely used in existing direction finding systems, and the ...
Si Li, Yinsheng Liu, Li You, Wenjin Wang
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Downlink calibration requirements for the TSUNAMI (II) adaptive antenna testbed [PDF]
, 1998 The TSUNAMI (II) project is an investigation into the use of adaptive antenna technology. The field trial system has been developed for the purposes of investigating the feasibility of implementing such a system using a GSM-1800 base station system.
Beach, MA, Simmonds, CM
core +2 more sources