Zobrazeno 1 - 10
of 5 934
pro vyhledávání: '"Beamwidth"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 8, Pp 578-584 (2024)
Abstract A beamwidth (BW) and beam direction (BD) reconfigurable antenna based on multi‐mode parasitic coupling is proposed. Two pairs of metal strips connected by only two positive‐intrinsic‐negative diodes are added as parasitic structures ov
Externí odkaz:
https://doaj.org/article/adece12c14224c5e95b0aa7309ec5ed4
Publikováno v:
IEEE Access, Vol 12, Pp 114573-114583 (2024)
In this article, a dual-polarized wide-beam antenna array with stable high gain, designed for WiFi-6E communications is proposed. Each antenna element features a horizontal electric radiator patch placed on the top of the substrate, in which one part
Externí odkaz:
https://doaj.org/article/f9f730d3d3a944e7bfc5732fcdba9580
Autor:
Gandham V. Vinod, Vikas V. Khairnar
Publikováno v:
IEEE Access, Vol 12, Pp 97143-97153 (2024)
This paper presents a wideband beam steering and beamwidth reconfigurable antenna operating at a center frequency of 3.5 GHz. The proposed antenna consists of a cross-slot serving as the source element, a $19\times 19$ artificial magnetic conductor (
Externí odkaz:
https://doaj.org/article/47d8ef893f184da385f940a1147ec563
Publikováno v:
IEEE Access, Vol 12, Pp 90218-90251 (2024)
This paper presents a detailed review of multifunctional pattern and polarization reconfigurable antennas, highlighting their potential to enhance performance of the wireless communication systems. These adaptable antennas offer versatile functionali
Externí odkaz:
https://doaj.org/article/f5ac4ae4f3c248f6b3faf73f56208ba4
Autor:
Ibrahim N. Alquaydheb, Saleh A. Alfawaz, Amirreza Ghadimi Avval, Sara Ghayouraneh, Samir M. El-Ghazaly
Publikováno v:
IEEE Access, Vol 12, Pp 61697-61707 (2024)
In this work, we present the design and modeling of a new type of choke horn antenna. It incorporates a rectangular waveguide and a rectangular choke acting as a parasitic element. The four-sided geometry of the antenna is applicable to systems that
Externí odkaz:
https://doaj.org/article/f0fc3214955d467a9f172cd72ae5370e
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 6, Pp 512-520 (2023)
A wideband differentially fed circularly polarized (CP) antenna featuring a slotted patch design with a large beamwidth is presented. The final design of the differentially fed CP antenna, aimed at achieving high gain and a wide axial ratio (AR) band
Externí odkaz:
https://doaj.org/article/78c496072aa4464d866e6397f404ef1e
Publikováno v:
Journal of Applied Sciences and Nanotechnology, Vol 3, Iss 4, Pp 10-19 (2023)
This study describes the relativistic q-Gaussian laser beam's stimulated Raman scattering (SRS) in an unmagnetized plasma. Moreover, the influence of the pump laser's relativistic self-focusing on the SRS process has been investigated. Using variatio
Externí odkaz:
https://doaj.org/article/0e2b0567563542ab8840050476985304
Akademický článek
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Autor:
Muhammad Nasir, Adnan Iftikhar, Syed Muzahir Abbas, Rashid Saleem, Muhammad Farhan Shafique, Moath Alathbah
Publikováno v:
IEEE Access, Vol 11, Pp 126967-126978 (2023)
This work presents a novel and highly compact broadband Yagi antenna structure in multilayer configuration for Ku band applications. The antenna is formed by stacking two identical Yagi elements which are fed in-phase with a single strip-based transm
Externí odkaz:
https://doaj.org/article/dd6d7ab4428c43199d8c1bd5f8f20ce5
Publikováno v:
IEEE Access, Vol 11, Pp 77648-77655 (2023)
A novel design approach for broadening 3-dB axial ratio beamwidth (ARBW) of circular polarization (CP) patch antenna is herein introduced. A patch structure consisting of three pairs of slots and four coupled strips is firstly proposed and examined.
Externí odkaz:
https://doaj.org/article/3fe4c00645d24ca08c9a0761d2fc1d25