Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Sadiq K. Ahmed"'
Autor:
Adham R. Azeez, Sadiq K. Ahmed, Zaid A. Abdul Hassain, Amer Abbood Al-behadili, Hind S. Ghazi, Yaqeen S. Mezaa, Ahmed A. Hashim, Aqeel Ali Al-Hilali, Kadhum Al-Majdi
Publikováno v:
Journal of Mechanics of Continua and Mathematical Sciences, Vol 19, Iss 3, Pp 40-50 (2024)
An ultra-wideband patch antenna (UWB) that makes use of tapered slot technology is designed and analyzed in this article. Coplanar waveguide feeds the projected antenna. The presented antenna displayed superior UWB performances with -10 dB return-los
Externí odkaz:
https://doaj.org/article/101dc4778b2a4aa8accaec1bffa4e952
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 26, Iss 6 (2022)
This paper introduces the design of a new dual polarization rectangular microstrip patch antenna based on metamaterial structures at X-band. The work focuses on two distinct configurations of a microstrip patch antenna utilizing metamaterials. Pairs
Externí odkaz:
https://doaj.org/article/9499bb877a3144b2b277e8277be2a5d9
Autor:
Sadiq K. Ahmed
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 11, Iss 1 (2007)
This paper focuses on the antenna synthesis of uniformly spaced linear phase array using artificial neural network (ANN), and describes the basics of artificial neural network. Chebyshev method is used to compare with this approach. Although, Chebysh
Externí odkaz:
https://doaj.org/article/e8881ec888fb4f40b459af163ca6561a
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 10, Iss 2 (2006)
This paper describes an optimum design of continuous microstrip tapers using genetic algorithms (GA’s). This approach has a few advantages: giving a clearer and simpler representation of the problem. In this method genetic algorithms deal with the
Externí odkaz:
https://doaj.org/article/05ea4c45e4b148aabefaddf62bd36dfc
Autor:
Sadiq K. Ahmed
Publikováno v:
Journal of Engineering and Sustainable Development, Vol 9, Iss 1 (2005)
Genetic Algorithms are presented for calculating the distances between the elements of asymmetrical non-uniformly spaced linear array antenna for side lobe reduction, and describes the basic genetic algorithms. The amplitude of the excitation is assu
Externí odkaz:
https://doaj.org/article/36e9fab009bb4a51bf8270923cb23ca9
Publikováno v:
Procedia Manufacturing. 32:418-425
This paper analyzes the ring and square plates configurations in a unipolar capacitive power transfer (CPT) system for electric vehicle (EV) batteries charging. It is shown that the ring plates coupler provides better coupling capacitance and coeffic
Autor:
Sadiq K. Ahmed, Abd El-Wahed
Publikováno v:
The Medical Journal of Cairo University. 86:3825-3832
Background: Traumatic acute subdural hematoma remains one of the most lethal of all head injuries patients with Acute Subdural Hematomas (ASDHs) having higher mortality and lower functional recovery rates compared with those of other head-injured pat
Autor:
Sadiq K. Ahmed, Abd El-Wahed
Publikováno v:
The Medical Journal of Cairo University. 86:4081-4087
Background: Patients with depressed skull fractures overlying the superior sagittal sinus (SSS) present an ongoing challenge. Many surgeons would opt for a conservative man-agement of these cases if there was no associated deficit to avoid risky sinu
Publikováno v:
2019 11th International Symposium on Advanced Topics in Electrical Engineering (ATEE).
In this paper, a capacitive power transfer (CPT) system of 1MHz switching frequency was used to supply an electric vehicle battery pack of 6.6kW, 500V at an air-gap of 5cm. Four dual-sided compensation circuit topologies were considered. The dual mea
Publikováno v:
TELKOMNIKA (Telecommunication Computing Electronics and Control). 18:30
This paper proposes design and investigates of graphene based plasmonic microstrip antenna for terahertz high speed communication and application systems 0.1-20 THz. The proposed antenna structure composed of graphenebased rectangular patch and trans