Results 11 to 20 of about 1,829,302 (216)

Planar Shared-Aperture Array Antenna With a High Isolation for Millimeter-Wave Low Earth Orbit Satellite Communication System

open access: yesIEEE Transactions on Antennas and Propagation, 2021
A planar dual-band shared-aperture array antenna for the ${K}$ -/Ka-band low Earth orbit (LEO) satellite communication is presented in this article. Substrate integrated coaxial line (SICL)-fed bow-tie transverse slots and substrate integrated waveguide
Zijun Guo   +4 more
semanticscholar   +1 more source

Mechanics Design of Conical Spiral Structure for Flexible Coilable Antenna Array

open access: yesInternational Journal of Aerospace Engineering, 2022
Limited by the effective launch capacity of a rocket, the deployable antenna is very important in the design of spaceborne antenna array. Compared to traditional deployable antenna, flexible coilable antenna array has higher surface precision and better ...
Hairui Wang   +6 more
doaj   +1 more source

Analysis of influence of FSS radome on array antenna scanning

open access: yesZhongguo Jianchuan Yanjiu, 2020
Objectives Aiming to resolve the adverse effects of frequency selective surface (FSS) radomes on array antenna beam scanning, a method for optimizing FSS radomes is proposed.Methods First, an array antenna with 25 half-wave dipole elements is designed ...
MO Yi   +4 more
doaj   +1 more source

TWO ELEMENT MICROSTRIP ANTENNA ARRAY USING STAR SLOT ELECTROMAGNETIC BAND GAP STRUCTURE [PDF]

open access: yesJournal of Engineering Science (Chişinău), 2019
This paper deals with the performance of two element antenna array without and with electromagnetic band gap structures. The antenna arrays are using Mentor Graphics IE3D software and measurements have been taken using vector network analyzer.
Rao, K. Prahlada   +2 more
doaj   +1 more source

Design and Analysis of a Thinned Phased Array Antenna for 5G Wireless Applications

open access: yesInternational Journal of Antennas and Propagation, 2021
This paper focuses on the design of a thinned array antenna using microstrip patch, which is a novel task in recent years. The aim of thinned array antenna synthesis is to obtain a desired radiation pattern with a minimum number of antenna elements.
Cheon-Bong Moon   +4 more
doaj   +1 more source

A Wideband Feed Network for Vivaldi Antenna Arrays

open access: yesInternational 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
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]

open access: yesJournal 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

A Review of Synthesis Techniques for Phased Antenna Arrays in Wireless Communications and Remote Sensing

open access: yesInternational 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

A novel circularly polarized slotted substrate integrated waveguide antenna array for satellite applications

open access: yesIET 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

Optimal Three-Dimensional Antenna Array for Direction Finding With Geometric Constraint

open access: yesIEEE 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

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