Zobrazeno 1 - 10
of 374
pro vyhledávání: '"Shi‐Wei Qu"'
Autor:
Dinuo Bu, Shi‐Wei Qu
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 2, Pp 96-105 (2024)
Abstract A 1 × 4 magneto‐electric dipole (ME dipole) antenna array for 77 GHz automotive radar is proposed. The ME dipole is fed by a fork‐shaped microstrip line coupling through a dog‐bone slot. To meet the requirements aimed at automotive ra
Externí odkaz:
https://doaj.org/article/e3e09d8fbc204d14ae3fba74e8fc3454
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 17, Iss 14, Pp 1033-1041 (2023)
Abstract The authors proposed an ultrawideband (UWB) dual‐polarised tightly coupled dipole array (TCDA). A split X‐shaped resistive frequency selective surface (FSS) is utilised, which can get more admirable impedance matching. The proposed anten
Externí odkaz:
https://doaj.org/article/110de60f94e247ad9f03c5d66b200e44
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 14, Pp 1799-1812 (2021)
Abstract In this work, a fully integrated phased array using multi‐layer printed circuit board (PCB) fabrication technologies is presented. This array is directly fed by 50 Ω coaxial cables, without balanced‐to‐unbalanced transitions. An asymm
Externí odkaz:
https://doaj.org/article/dcfd46ab7d9e4d41a52c4bb3912f676f
Autor:
Senlin Lu, Shi-Wei Qu
Publikováno v:
Sensors, Vol 23, Iss 13, p 5781 (2023)
A high-gain low-profile reflector antenna with dual-band radiation ability is presented in this paper. The antenna achieves a relative 2 dB gain bandwidth of 10% around fl, and a relative 2 dB gain bandwidth of 20%, around fh, where fl and fh are the
Externí odkaz:
https://doaj.org/article/eff60bf13b174c5f8b0d3d3d37e48658
Autor:
Hao-Zheng Yang, Shi-Wei Qu
Publikováno v:
Sensors, Vol 23, Iss 10, p 4709 (2023)
In this article, a high-gain millimeter-wave transmitarray antenna (TAA) maintaining scanning ability is developed, integrating an array feed as the primary emitter. The work is achieved within a limited aperture area, avoiding the replacement or ext
Externí odkaz:
https://doaj.org/article/06dea6c3ad4d4a369f00d9f14328d183
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 4, Pp 1-8 (2021)
In this work, a compact sub-wavelength-pitch silicon waveguide array with low crosstalk is proposed and analyzed. The crosstalk is suppressed by periodic silicon nano-blocks symmetrically arranged along the silicon strip waveguides. The silicon nano-
Externí odkaz:
https://doaj.org/article/6d7289c7564740adb817dbd46d1db63a
Publikováno v:
IEEE Access, Vol 8, Pp 65155-65163 (2020)
This paper presents simulation and measurement results of a wideband planar phased array for 5G. The desired wideband operation is achieved using a tightly coupled dipole array (TCDA). The proposed array consists of tightly coupled dipole units in du
Externí odkaz:
https://doaj.org/article/502279c21c8641dcadceda13bdc8e719
Publikováno v:
IEEE Access, Vol 8, Pp 34276-34285 (2020)
Combining the inherent multiple beam capabilities of transmitarray antennas (TAAs) and the flexible fields launched by phased array antennas (PAAs), PAA-fed TAAs are proposed in this paper for high-gain and wide-angle beam scanning in millimeter-wave
Externí odkaz:
https://doaj.org/article/624edccf20a94d35854be7f27217b60b
Autor:
Sajjad Hussain, Shi-Wei Qu, Abu Bakar Sharif, Hassan Sani Abubakar, Xiao-Hua Wang, Muhammad Ali Imran, Qammer H. Abbasi
Publikováno v:
Sensors, Vol 22, Iss 9, p 3329 (2022)
Designing an ultra-wideband array antenna for fifth generation (5G) is challenging for the antenna designing community because of the highly fragmented electromagnetic spectrum. To overcome bandwidth limitations, several millimeter-wave bands for 5G
Externí odkaz:
https://doaj.org/article/ffaf096913124c31bad95628ed114aa0
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract The ability to manipulate the propagation properties of electromagnetic waves, e.g., divergence, focusing, holography or deflection, is very significant in terahertz applications. Metasurfaces with flat structures are attractive for achievin
Externí odkaz:
https://doaj.org/article/5ce5065c630c44158e421b14ae200674