Results 81 to 90 of about 181,285 (205)

Two Elements Elliptical Slot CDRA Array with Corporate Feeding For X-Band Applications [PDF]

open access: yesIraqi Journal for Electrical and Electronic Engineering, 2014
In this paper, a compact two-element cylindrical dielectric resonator antenna (CDRA) array with corporate feeding is proposed for X-band applications.
Abdulkareem S. Abdullah   +3 more
doaj  

60 GHz compact broadband antenna arrays with wide-angle beam steering

open access: yesThe Journal of Engineering, 2019
Highly integrated multilayered printed circuit board-based patch antenna arrays are proposed in this study for 60 GHz wireless communications. Electromagnetic coupling between two stacked patches is used to achieve
Imran Aziz   +6 more
doaj   +1 more source

Review of specific antenna configurations: An estimate of cost and performance versus frequency for a simple (10 Lambda)-2 clear-air radar antenna array [PDF]

open access: yes, 1983
The building of operational clear air radar wind profilers is discussed. The choice of operating frequency and antenna configuration for these profilers is examined.
Ecklund, W. L.
core   +1 more source

Low profile cavity-embedded ultra-wideband UHF array antenna with end-fire beams

open access: yesJournal of Electronic Science and Technology
A low profile, vertically polarized, ultra-wideband array antenna with end-fire beams operating in an ultra-high frequency (UHF) band is developed in this paper.
Huan He, Wen-Song Wang
doaj   +1 more source

Generation of Orbital Angular Momentum Beam With Circular Polarization Ceramic Antenna Array

open access: yesIEEE Photonics Journal, 2019
Orbital angular momentum (OAM) beams can be generated at many microwave frequencies by using antenna array. However, the complexity of the system and inability to transmit over long distances limit the applications of OAM beams in the radio domain. Here,
Ke Bi   +5 more
doaj   +1 more source

A Novel Miniaturized Dual Slant-Polarized UWB Antenna Array with Excellent Pattern Symmetry Property for MIMO Applications

open access: yesInternational Journal of Antennas and Propagation, 2015
A novel miniaturized 1 × 10 uniform linear dual slant-polarized UWB antenna array for MIMO base station is presented. The antenna array operates in the frequency band from 1710 to 2690 MHz with a 17.3–18.7 dBi gain in a size of 105 × 1100 × 37 mm.
Zhi Zeng   +3 more
doaj   +1 more source

Bi-Directional Loop Antenna Array Using Magic Cube Origami

open access: yesSensors, 2019
In this paper, we propose a bi-directional loop antenna array using magic cube origami. The proposed antenna array consists of three one-wavelength loop antenna elements with series feeding. Each loop antenna is realized on a single magic cube, and three
Ying Xu   +3 more
doaj   +1 more source

The NOAA TOGA antenna array [PDF]

open access: yes, 1986
The Aeronomy Laboratory recently installed a 100 x 100 meter array antenna with limited beam steering on Christmas Island as a part of the TOGA (Tropical Ocean and Global Atmosphere) program.
Balsley, B. B.   +2 more
core   +1 more source

Massive MIMO performance evaluation based on measured propagation data

open access: yes, 2015
Massive MIMO, also known as very-large MIMO or large-scale antenna systems, is a new technique that potentially can offer large network capacities in multi-user scenarios.
Edfors, Ove   +3 more
core   +1 more source

Antenna array at focal plane of reflector with coupling network for beam switching Patent [PDF]

open access: yes, 1971
Antenna array at focal plane of reflector with coupling network for beam ...
Korvin, W., Mills, M. K.
core   +1 more source

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