Zobrazeno 1 - 10
of 1 793
pro vyhledávání: '"Ashraf A. M."'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract The use of various kinds of magnetic resonance imaging (MRI) techniques for examining brain tissue has increased significantly in recent years, and manual investigation of each of the resulting images can be a time-consuming task. This paper
Externí odkaz:
https://doaj.org/article/37f2477c8ca34b609ba7ce2e7f566516
Publikováno v:
Photonic Sensors, Vol 13, Iss 2, Pp 1-16 (2023)
Abstract Tuberculosis is one of the most contagious and lethal illnesses in the world, according to the World Health Organization. Tuberculosis had the leading mortality rate as a result of a single infection, ranking above HIV/AIDS. Early detection
Externí odkaz:
https://doaj.org/article/38ea4816d5984f2db404b0f647440ca8
Autor:
Gerges M. Salama, Haitham F. Abdalla, Amira A. Mohamed, Emad S. Hassan, Moawad I. Dessouky, Ashraf A. M. Khalaf, Atef El‐Emary, Amir S. Elsafrawey
Publikováno v:
IET Communications, Vol 16, Iss 15, Pp 1807-1814 (2022)
Abstract One of the critical challenges in multicarrier‐based systems is peak to average power ratio (PAPR). Recently, Filter Bank Multicarrier (FBMC) is proved to be a promising candidate that can replace the traditional orthogonal multiplexing di
Externí odkaz:
https://doaj.org/article/596c3c69fc6646e588f72d9d45d6e255
Autor:
Ashraf A. M. Fadiel, Nuria S. Mohammed, Ahmad Baharuddin Abdul Rahman, Esam Abu Baker Ali, Taher Abu-Lebdeh, Florian Ion Tiberiu Petrescu
Publikováno v:
Biomimetics, Vol 8, Iss 5, p 392 (2023)
High-strength grout is specified to increase the bond between grout and bar in grouted connections and to ensure that the forces in the bars can be transferred to the surrounding material accordingly. Although polymer grout is fast setting and rapid
Externí odkaz:
https://doaj.org/article/7d882aa721fd4f21ab54e86d8b575e54
Publikováno v:
IEEE Access, Vol 10, Pp 47419-47436 (2022)
This review summarizes recent advances in sensors based on photonic crystal technologies for biomedical sensing applications. Photonic crystal sensing offers enormous promise due to their clear benefits in sensitivity, stability, compactness, portabi
Externí odkaz:
https://doaj.org/article/697ad91034fa494cb62367bcb4e3726a
Autor:
Manal S. Esmail, Mohamed H. Merzban, Ashraf A. M. Khalaf, Hesham F. A. Hamed, Aziza I. Hussein
Publikováno v:
IEEE Access, Vol 10, Pp 5884-5894 (2022)
Controlling a quadcopter is a challenging task because of the inherent high nonlinearity of a quadcopter system. In this paper, a new quaternion based nonlinear feedback controller for attitude and altitude regulation of a quadcopter is proposed. The
Externí odkaz:
https://doaj.org/article/60c57ad976324e939abfbb9ebafd1331
Publikováno v:
IEEE Access, Vol 10, Pp 15175-15182 (2022)
In this paper, a two-element Pharaonic Ankh-Key array antenna is proposed. The array antenna is designed, simulated and fabricated to enhance the new technologies upcoming in the market. The multiband array antenna can operate in 24 GHz band, 28 GHz
Externí odkaz:
https://doaj.org/article/796274e933324d9987eaed98c99a1c97
Autor:
Manal S. Esmail, Mohamed H. Merzban, Ashraf A. M. Khalaf, Hesham F. A. Hamed, Aziza I. Hussein
Publikováno v:
IEEE Access, Vol 10, Pp 53344-53358 (2022)
Unmanned aerial vehicle quadcopters have applications in different real-life areas. They are nonlinear systems that necessitate the utilization of nonlinear control techniques. In this paper, we propose a new quaternion-based tracking controller for
Externí odkaz:
https://doaj.org/article/d7c1e822284d49669a053e5561535857
Autor:
Ashraf A. M. Fadiel, Taher Abu-Lebdeh, Iulian Sorin Munteanu, Elisabeta Niculae, Florian Ion Tiberiu Petrescu
Publikováno v:
Journal of Composites Science, Vol 7, Iss 7, p 283 (2023)
The use of rubberized concrete has become increasingly popular as a means of disposing of waste materials, such as used and end-of-life tires, while also providing an effective solution for construction applications. The strength and durability of ru
Externí odkaz:
https://doaj.org/article/e56af67a901c4d14ad88e959af1505bf
Autor:
Ashraf A. M. Fadiel, Nuria S. Mohammed, Taher Abu-Lebdeh, Iulian Sorin Munteanu, Elisabeta Niculae, Florian Ion Tiberiu Petrescu
Publikováno v:
Journal of Composites Science, Vol 7, Iss 3, p 129 (2023)
Most metropolitan areas in the world are facing major solid-waste-disposal problems. The solid-waste problem is considered one of the major environmental problems that countries and environmental organizations are paying increasing attention to at pr
Externí odkaz:
https://doaj.org/article/5a0918f4ba5a405ca30694b6fcd6f347