Results 11 to 20 of about 987,339 (298)
Comparison of Evolutionary Optimization Algorithms for FM-TV Broadcasting Antenna Array Null Filling [PDF]
, 2015 Broadcasting antenna array null filling is a very challenging problem for antenna design optimization. This paper compares five antenna design optimization algorithms (Differential Evolution, Particle Swarm, Taguchi, Invasive Weed, Adaptive Invasive ...
Bruce, Mehrdadi +7 more
core +3 more sources
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
doaj +1 more source
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
doaj +1 more source
Design of controlled RF switch for beam steering antenna array [PDF]
, 2008 YesA printed dipole antenna integrated with a duplex RF switch used for mobile base station antenna beam steering is presented. A coplanar waveguide to coplanar strip transition was adopted to feed the printed dipole.
Abd-Alhameed, Raed +3 more
core +1 more source
Optimal E-Field Vector Combination for a Highly Focused Antenna-Array [PDF]
, 2014 A near-field highly focused circular phased-array antenna for 5.8-GHz radio frequency identification (RFID) applications is presented. The electric field (E-field) at the focus is enhanced by a constructive vector combination in a three-dimensional (3-D)
Perallos, Asier +5 more
core +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Design of a novel high gain dual-band common-aperture array antenna
Dianzi Jishu Yingyong, 2019 This paper presents a new ultra-wideband(UWB) high-gain dual-band common-aperture array antenna. The antenna consists of four T-shaped dual-polarized antennas, a 6×6 waveguide slot array antenna, and a circular metal substrate. The dual-polarized antenna
Qiao Xuguang +5 more
doaj +1 more source
A slot antenna array with low mutual coupling for use on small mobile terminals [PDF]
, 2011 In order to take full advantage of the benefits to be obtained by using MIMO techniques for mobile communications, it is necessary to use an antenna array which is both compact and also has low mutual coupling between ports.
Paul, DL +5 more
core +1 more source