Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Hussein Attia"'
Publikováno v:
Results in Optics, Vol 16, Iss , Pp 100738- (2024)
This work presents a near-infrared spectroscopy-based technique to measure the glucose concentration in an aqueous solution. A near-infrared light source sends optical energy through a glucose-water solution. The energy transmitted through the aqueou
Externí odkaz:
https://doaj.org/article/68dea1672e024158bd9df7f242d3cc83
Publikováno v:
IEEE Access, Vol 12, Pp 26196-26211 (2024)
This paper develops a novel stochastic geometry model to investigate design tradeoffs in a large-scale radar-aided millimeter-wave cellular network to eliminate the beam training overhead. In the proposed system, each base station comprises two sub-s
Externí odkaz:
https://doaj.org/article/2a2534680e3a437e9a1652818389a7d9
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 4, Pp 81-90 (2023)
This paper proposes a simple novel technique for self-isolating a MIMO antenna for mm-wave applications. MIMO antenna elements with inter-element separation of 0.2 mm ( $0.023\lambda $ at 35 GHz) and measured high isolation (>50 dB) are presented. By
Externí odkaz:
https://doaj.org/article/38bc78854231419084e469b57b0463f1
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 8, Pp 815-826 (2021)
Abstract A novel four‐element collocated travelling wave substrate integrated waveguide (SIW) multiple‐input multiple‐output (MIMO) antenna covering millimetre wave (mm‐wave) bands (28–32 GHz) is presented. The antenna exhibits a matching b
Externí odkaz:
https://doaj.org/article/fb5d796d7d8d471f831c659cf49ed738
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 6, Pp 4901-4908 (2020)
A novel 2 × 2 wideband dielectric resonator antenna (DRA) array with circular polarization and fed with a sequential-phase feeding network at the X-band is presented in this paper. The proposed DRA array is fed by an aperture coupled feeding network
Externí odkaz:
https://doaj.org/article/c84bd7bfcc33462baece2e4f6a374848
Autor:
Hussein Attia, Sagiru Gaya, Abdullah Alamoudi, Fahad M. Alshehri, Abdulrahman Al-Suhaimi, Nawaf Alsulaim, Ahmad M. Al Naser, Mohamad Aghyad Jamal Eddin, Abdullah M. Alqahtani, Jhonathan Prieto Rojas, Suhail Al-Dharrab, Feras Al-Dirini
Publikováno v:
IEEE Access, Vol 8, Pp 81116-81128 (2020)
Active seismic surveys, for the exploration of oil and gas reservoirs, are conducted using a huge network of geophone sensors (>10,000) covering a very large area and interconnected using seismic cables. Such cables enable reliable operation and fast
Externí odkaz:
https://doaj.org/article/7a220ed200fc4e85b6b91a7ca628c263
Autor:
Hussein Attia
Publikováno v:
IEEE Access, Vol 7, Pp 95132-95139 (2019)
In this paper, the radiation patterns due to magnetic sources embedded in a ground plane in the presence of a partially reflective surface are analytically formulated and calculated. Love's equivalence principle, the transmission-line analogy, and th
Externí odkaz:
https://doaj.org/article/e6360bc124d946f990b03c16ba2b6129
Publikováno v:
IEEE Access, Vol 7, Pp 116342-116347 (2019)
An accurate theoretical formulation is presented for a semi-cylindrical parallel plate capacitor, independent of the electrode dimensions. An approximate solution is also presented to relate the changes in capacitance with changing volume-ratio of th
Externí odkaz:
https://doaj.org/article/084ab746b65a432294dd3091b3c27b05
Publikováno v:
Engineering Reports, Vol 2, Iss 12, Pp n/a-n/a (2020)
Abstract A Yagi‐Uda inspired novel pattern reconfigurable multiple‐input‐multiple‐output (MIMO) antenna array is proposed in this article. The antenna consists of two co‐axially excited microstrip patch radiators with modified ground plane.
Externí odkaz:
https://doaj.org/article/6fb5e00dee7847f5b4d2cf54469fb333
Autor:
Maged A. Aldhaeebi, Khawla Alzoubi, Thamer S. Almoneef, Saeed M. Bamatraf, Hussein Attia, Omar M. Ramahi
Publikováno v:
Sensors, Vol 20, Iss 8, p 2390 (2020)
Conventional breast cancer detection techniques including X-ray mammography, magnetic resonance imaging, and ultrasound scanning suffer from shortcomings such as excessive cost, harmful radiation, and inconveniences to the patients. These challenges
Externí odkaz:
https://doaj.org/article/bd785d1e4c3d453e9768075870e64da5