Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Mohamed E. Nasr"'
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 8, Pp 5983-5999 (2022)
Spectrum sensing (SS) is substantial demand for enabling cognitive radio (CR) systems. In recent years, digital beamforming (DBF) is exploited for performance enhancement of multiple antenna elements or uniform linear array (ULA) based spectrum sensi
Externí odkaz:
https://doaj.org/article/42e8a4ea0ac14b338948463572551f92
Publikováno v:
Fractal and Fractional, Vol 7, Iss 10, p 730 (2023)
The nonlinear Volterra–Fredholm integral Equation (NVFIE) with a singular kernel is discussed such that the kernel of position can take the Hilbert kernel form, Carleman function, logarithmic form, or Cauchy kernel. Using the quadrature method, the
Externí odkaz:
https://doaj.org/article/74838c8840124c478078e22f6b45ec24
Publikováno v:
IEEE Access, Vol 10, Pp 1096-1115 (2022)
It is crucial to support emergency applications provided by vehicular adhoc network (VANET) through enabling vehicles to quickly access to the infrastructure and consequently request rescue services. Additionally, the communication channels between v
Externí odkaz:
https://doaj.org/article/d9a84a0b06fc4f719eaf179c7d8487d2
Publikováno v:
Symmetry, Vol 15, Iss 7, p 1408 (2023)
The second kind of two-dimensional nonlinear integral equation (NIE) with symmetric and nonsymmetrical kernel is solved in the Banach space L2[0,1]×L2[0,1]. Here, the NIE’s existence and singular solution are described in this passage. Additionall
Externí odkaz:
https://doaj.org/article/5d390ac3938d42529905db285e1b7f6b
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 7, Iss 1, Pp 34-44 (2021)
The present work introduces the thermoelastic vibrations of nonlocal nanobeams resting on a two-parameter foundation. The governing equations are formulated for linear Winkler–Pasternak foundation type based on the generalized dual-phase-lag heat c
Externí odkaz:
https://doaj.org/article/672a3bc664fc4665b4f15304a864eaf3
Publikováno v:
IEEE Access, Vol 9, Pp 130399-130409 (2021)
Hash functions are considered as the core of cryptography, which are the basic technique used for data security. Cryptographic hash functions also can be used to achieve the integrity of large data such as the data stored in a hard disk and set of fi
Externí odkaz:
https://doaj.org/article/0bfc0d1d85884f318b7d3fc1b083871b
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 6, Pp 1-9 (2021)
Nowadays, a high level of security is required for the transmission of critical information. Quantum Key Distribution (QKD) systems are considered the best option to protect such information. Many studies have shown the efficiency of the QKD optical
Externí odkaz:
https://doaj.org/article/0b730ef2c84f4d10a8047a361ca3ddea
Publikováno v:
IEEE Access, Vol 8, Pp 216349-216364 (2020)
The two-way relaying (TWR) technique has been confirmed to achieve higher spectral efficiency and average sum rate compared with the one-way relaying (OWR) technique in ultra-dense next generation networks with limited spectal resources. In this pape
Externí odkaz:
https://doaj.org/article/d42e8256c5fb452b9aa77e0c8a28286c
Autor:
Mohamed E. Nasr, Machireddy Gnaneswara Reddy, W. Abbas, Ahmed M. Megahed, Essam Awwad, Khalil M. Khalil
Publikováno v:
Mathematics, Vol 10, Iss 9, p 1534 (2022)
Using magnetohydrodynamics (MHD), the thermal energy and mass transport boundary layer flow parameters of Reiner–Philippoff fluid (non-Newtonian) are numerically investigated. In terms of energy and mass transfer, non-linear radiation, Cattaneo–C
Externí odkaz:
https://doaj.org/article/2cb2354a37a842279c159c30cf1a8dfa
Publikováno v:
Acta Mechanica. 234:2519-2541