Zobrazeno 1 - 10
of 2 059
pro vyhledávání: '"POLARIZATION DIVERSITY"'
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1691-1703 (2024)
Employing two closely spaced arrays operating at the same frequency with orthogonal polarizations and independent operations present significant potential for miniaturizing telecommunication systems. This paper presents two interleaved, tightly space
Externí odkaz:
https://doaj.org/article/4d2314909e74453380db28bc982ba212
Publikováno v:
Sensors, Vol 24, Iss 23, p 7522 (2024)
This paper presents an innovative, compact, dual-element, implantable, ultra-wideband, circularly polarized multiple-input multiple-output (MIMO) antenna designed to operate within the 2.45 GHz industrial, scientific, and medical band, and both of it
Externí odkaz:
https://doaj.org/article/f4d8b735a21549afbd3e1551f86a2639
Autor:
Jungmin Mo, Youngje Sung
Publikováno v:
Sensors, Vol 24, Iss 15, p 5008 (2024)
This study proposes a pattern–diversity antenna with different radiation patterns at two different frequency bands (f1 and f2; f1: broadside radiation pattern, f2: conical radiation pattern). The proposed structure consists of a central circular an
Externí odkaz:
https://doaj.org/article/96fca98561cb43ac83c5a709d5a706c8
Publikováno v:
Remote Sensing, Vol 16, Iss 8, p 1315 (2024)
Polarization diversity has been widely used in maritime radars to improve target detection performance. Full utilization of the polarimetric characteristics of sea clutter is the key to designing effective polarimetric detectors. For high-resolution
Externí odkaz:
https://doaj.org/article/86793a7605bf4e15a1f153352439f5d9
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.
Autor:
Sang Won Choi, Youngje Sung
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 23, Iss 2, Pp 154-164 (2023)
A dual-feed antenna system with circular polarization (CP) diversity and high isolation is proposed in this paper. The proposed antenna consists of two bent monopole antennas and an isosceles triangular partial GND on a single layer. To simply design
Externí odkaz:
https://doaj.org/article/c3272b3d195b424689ac77ad2947267c
Autor:
Jihun Choi, Fikadu T. Dagefu
Publikováno v:
IEEE Access, Vol 11, Pp 111402-111409 (2023)
This paper presents a compact three-port antenna design suitable for use in mobile radio systems that require polarization and pattern diversity. The antenna design utilizes a shorted bow-tie patch split in half with an air gap and a top-loaded two-e
Externí odkaz:
https://doaj.org/article/561d40c13cbe413ba534c69008e1ca0e
Autor:
Mohamed Aboualalaa, Islam Mansour
Publikováno v:
IEEE Access, Vol 11, Pp 57383-57390 (2023)
This paper presents a dual-band split-ring structure that provides end-fire radiation characteristics for multi-input multi-output (MIMO) mm-wave 5G applications. The proposed single antenna element consists of a main split-ring resonator (SRR) direc
Externí odkaz:
https://doaj.org/article/d80842b03da24986885cdb456074719c
Autor:
Saeid Karamzadeh
Publikováno v:
IEEE Access, Vol 11, Pp 7078-7084 (2023)
The design of a compact and wideband circularly polarized (CP) Monopulse antenna is presented. Firstly, the small-sized antenna element (13mm $\times13$ mm), with the impedance bandwidth (BW) of 80.5% (4.3-10.1 GHz) and axial ratio (AR) bandwidth of
Externí odkaz:
https://doaj.org/article/8db9b5d93bb14a259329888392b81a75
Publikováno v:
Advanced Electromagnetics, Vol 12, Iss 3 (2023)
In this paper, a novel design of compact quad-element MIMO (Multiple Input Multiple Output) antenna for 5G communication networks and satellites is proposed. The four similar elements of this antenna are placed perpendicularly to each other on a 40x4
Externí odkaz:
https://doaj.org/article/a21ecf6dd503463aac11d374c2024ada