Zobrazeno 1 - 10
of 848
pro vyhledávání: '"Kwai-Man Luk"'
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 10, Pp n/a-n/a (2024)
Although orbital angular momentum (OAM) is extensively explored and researched in various scientific domains, its practical application in wireless communications still faces numerous challenges. Notably, existing OAM beam generation technologies nee
Externí odkaz:
https://doaj.org/article/3915e12aee874a548b0bbe350cdda806
Autor:
Qian Tan, Kwai-Man Luk
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 1, Pp 104-111 (2024)
A dual-linearly polarized (DLP) magneto-electric (ME) dipole antenna is proposed for the in-band full-duplex (IBFD) application. It is formed by ME dipoles with a shared central part, giving a compact and symmetrical antenna structure. It has four is
Externí odkaz:
https://doaj.org/article/a2da10a6098848f49472b06204eaeeec
Autor:
Ao Li, Kwai-Man Luk
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 2, Pp 62-71 (2021)
A wideband vertically-polarized end-fire magneto-electric (ME) dipole antenna fed by an asymmetrical substrate integrated coaxial line (ASICL) is proposed for millimeter-wave (mm-wave) applications. The proposed ME dipole antenna has an impedance ban
Externí odkaz:
https://doaj.org/article/eea9c69b3b434c22a8c29457dadba2f0
Autor:
Jie Sun, Kwai-Man Luk
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 2, Pp 968-975 (2021)
A wideband and fully optically-transparent water patch antenna is proposed. Both the patch and the ground plane are made of distilled water. Different from the previous water patch antennas, this proposed design features the utilization of an L-shape
Externí odkaz:
https://doaj.org/article/f5ce8684fb2141eeb10185929f4ee4a4
Publikováno v:
IEEE Access, Vol 8, Pp 32163-32169 (2020)
This paper describes a wideband, low-profile and efficiency-improved transmitarray antenna achieved by employing over-1-bit phase-shifting elements and incorporating optimized phase compensation scheme. Firstly, a wideband ultrathin 1-bit phase-shift
Externí odkaz:
https://doaj.org/article/a14980056b3e47ec8921b5ad75d86ef7
Autor:
Jie Sun, Kwai-Man Luk
Publikováno v:
IEEE Access, Vol 7, Pp 43084-43091 (2019)
Wideband aperture-coupled magneto-electric (ME) dipole antennas fed by microstrip line are proposed in this paper. The aperture-coupled microstrip-line-fed method was utilized in the proposed configuration to replace the conventional Γ-shaped probe
Externí odkaz:
https://doaj.org/article/d7cab67cd84c42f7abc9df77ec11b004
Autor:
Jie Sun, Kwai-Man Luk
Publikováno v:
IEEE Access, Vol 7, Pp 122964-122971 (2019)
A wideband optically-transparent water patch antenna with a compact size is proposed. Both the water patch and the water ground plane are made of distilled water to realize the highly optical transparency. Particularly, by simply incorporating an ann
Externí odkaz:
https://doaj.org/article/69d75e5f65014f0ab7f9d8041ad92c42
Autor:
Chen Ding, Kwai-Man Luk
Publikováno v:
IEEE Access, Vol 7, Pp 181924-181932 (2019)
A novel low-profile dual-polarized magneto-electric dipole antenna with two choices of feeding probes are proposed and investigated. The antenna utilizes a radiating structure which adopts equilateral triangular cavities with small gaps as the magnet
Externí odkaz:
https://doaj.org/article/7a49464e27824bc094b118c9fe8468f5
Publikováno v:
IEEE Access, Vol 6, Pp 78276-78285 (2018)
A dual linearly polarized antenna array with end-fire radiation of the 60-GHz band is proposed by combining two types of magneto-electric dipoles (ME-dipole), which operate in vertical polarization (V-pol) and horizontal polarization (H-pol), respect
Externí odkaz:
https://doaj.org/article/883fb725a6c143d2b13271431fee3440
Autor:
Yujian Li, Kwai-Man Luk
Publikováno v:
IEEE Access, Vol 3, Pp 274-280 (2015)
A novel water dense dielectric patch antenna (DDPA) fed by an L-shaped probe is proposed and investigated. In contrast to the water antennas in the literature, including the water monopole and the water dielectric resonator antenna, the operation mec
Externí odkaz:
https://doaj.org/article/9a1f878a55fa45eaabd4d6979efd8f05