Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Demyana A. Saleeb"'
Publikováno v:
Energies, Vol 17, Iss 10, p 2297 (2024)
Human footsteps are a sustainable energy source that is derived from kinetic energy. As a result, in this study, piezoelectric sensors placed beneath floor tiles were excited by human footsteps to provide practical electrical energy. A simple rectify
Externí odkaz:
https://doaj.org/article/6aec7a08581c4488bdc1202de5441e98
Autor:
Demyana A. Saleeb, Rehab M. Helmy, Nihal F. F. Areed, Mohamed Marey, Khaled Mohamad Almustafa, Ahmed S. Elkorany
Publikováno v:
IEEE Access, Vol 10, Pp 78102-78113 (2022)
The use of a circularly polarized patch antenna array to detect kidney cancer by microwave techniques is proposed in this paper. A four-element linear antenna array is designed and fabricated at the ISM frequency of 2.4 GHz. The dimensions of the ant
Externí odkaz:
https://doaj.org/article/209ce5048ceb4721b3074ef2ddb9b0f4
Autor:
Demyana A. Saleeb, Rehab M. Helmy, Nihal F. F. Areed, Mohamed Marey, Wazie M. Abdulkawi, Ahmed S. Elkorany
Publikováno v:
IEEE Access, Vol 9, Pp 133786-133794 (2021)
In this paper, a technique for the early detection of brain cancer was proposed. The technique depends upon the use of an antenna and a model for the human head. The reflection coefficient (S11) was found for two cases: with and without tumor in the
Externí odkaz:
https://doaj.org/article/ce94f0d3d79b49a98fbee92cd3af8c20
Publikováno v:
IEEE Access, Vol 7, Pp 173450-173462 (2019)
Energy scavenging is a promising technique for micro-devices such as wireless sensor networks (WSNs). Radio frequency (RF) is considered a sustainable source that can be utilized and harvested due to its important features. The essential goal of this
Externí odkaz:
https://doaj.org/article/cabc5c596feb49bba86302ccd10b8d19
Autor:
Ahmed A. Hassan, El-Sayed M. El-Rabie, Rania Elsharkawy, Demyana A. Saleeb, Ahmed S. Elkorany
Publikováno v:
Menoufia Journal of Electronic Engineering Research. 32:10-14
Autor:
Ahmed Saad Elkorany, Alyaa Nehru Mousa, Sarosh Ahmad, Demyana Adel Saleeb, Adnan Ghaffar, Mohammad Soruri, Mariana Dalarsson, Mohammad Alibakhshikenari, Ernesto Limiti
Publikováno v:
Sensors, Vol 22, Iss 2, p 667 (2022)
Antennas in wireless sensor networks (WSNs) are characterized by the enhanced capacity of the network, longer range of transmission, better spatial reuse, and lower interference. In this paper, we propose a planar patch antenna for mobile communicati
Externí odkaz:
https://doaj.org/article/846ed318aca04f47a6f9d26c17bf039f
Autor:
Ahmed A. Hassan, Rania R. Elsharkawy, Demyana A. Saleeb, El-Sayed M. El-Rabie, Ahmed S. Elkorany
Publikováno v:
Analog Integrated Circuits and Signal Processing. 112:517-525
Autor:
Mohamed Marey, Wazie M. Abdulkawi, Rehab M. Helmy, Demyana A. Saleeb, Ahmed S. Elkorany, Nihal F. F. Areed
Publikováno v:
IEEE Access, Vol 9, Pp 133786-133794 (2021)
In this paper, a technique for the early detection of brain cancer was proposed. The technique depends upon the use of an antenna and a model for the human head. The reflection coefficient (S11) was found for two cases: with and without tumor in the
Publikováno v:
Radioelectronics and Communications Systems; Том 62, № 3 (2019); 119-126
This paper deals with elliptical split ring resonator (ESRR) loaded CPW-fed ultra wideband (UWB) printed monopole antenna (PMA) with dual band-notching at 5.2 and 6.9 GHz to notch WLAN and C-band wireless applications, respectively. The antenna is fa
Publikováno v:
ICT
Radio frequency-based energy harvesting is a promising technique for the communications society. This technology still faces some technical challenges to power up modern micro-devices. These devices need a constant power source to enable these device