Zobrazeno 1 - 10
of 23
pro vyhledávání: '"M.H. El-Said"'
Autor:
Hala Shawky, Walid El-Shafai, Lamiaa A. Abou elazm, Fathi E. Abd El-Samie, Sameh A. Ibrahim, Mohamed G. Egila, M.H. El-Said
Publikováno v:
Multimedia Tools and Applications. 79:14053-14078
Biometric systems are widely used now for security applications. Two major problems are encountered in biometric systems: the security problem and the dependence on a single biometric for verification. The security problem arises from the utilization
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76f3446f0b05301df8234740802e9d4a
https://doi.org/10.1007/s11042-019-08462-8
https://doi.org/10.1007/s11042-019-08462-8
Publikováno v:
QJM: An International Journal of Medicine. 114
Corresponding Background Stone size is a key factor in the determination of the success of author: treatment modalities. Recently, there has been a great advancement in technology for minimally invasive management of urinary stones such as percutaneo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf8c44a1e7be2772dfc0c95c224d38b2
https://doi.org/10.1093/qjmed/hcab110
https://doi.org/10.1093/qjmed/hcab110
Autor:
Salah S. A. Obayya, Korany R. Mahmoud, M.H. El-Said, Mohamed Hussein, Mohamed Farhat O. Hameed, Ashraf Yahia
Publikováno v:
Microwave and Optical Technology Letters. 61:2801-2810
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::108af4400fa7b2c3fba4852cdfe4d9fc
https://doi.org/10.1002/mop.31979
https://doi.org/10.1002/mop.31979
Autor:
M.H. El-Said, Salah S. A. Obayya, Korany R. Mahmoud, Mohamed Hussein, Mohamed Farhat O. Hameed
Publikováno v:
Optical and Quantum Electronics. 53
This paper presents directivity and gain enhancement of sectoral horn nanoantenna (NA) with arc directors for point to point communications systems. The effect of adding three directors to the sectoral horn NA is investigated. The directors pull the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c153e7c5c3f758a26fd4013256ce02e
https://doi.org/10.1007/s11082-021-02788-0
https://doi.org/10.1007/s11082-021-02788-0
Autor:
Sameh A. Ibrahim, Walid El-Shafai, M.H. El-Said, Mohamed G. Egila, Fathi E. Abd El-Samie, H. Shawkey, Lamiaa A. Abou elazm
Publikováno v:
2020 Fourth International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC).
The use of biometrics in security applications may be vulnerable to several challenges of hacking. Thus, the emergence of cancellable biometrics becomes a suitable solution to this problem. This paper presents a one-way cancellable biometric transfor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b48f95f005c3e3eb2aadc0d52ed4269d
https://doi.org/10.1109/i-smac49090.2020.9243390
https://doi.org/10.1109/i-smac49090.2020.9243390
Autor:
M.H. El-Said, Mohamed Farhat O. Hameed, Mohamed Hussein, Salah S. A. Obayya, Korany R. Mahmoud
Publikováno v:
Journal of the Optical Society of America B. 37:1183
In this paper, an optimized four-nanowire rhombic nanoantenna (RNA) is proposed and numerically analyzed in terms of directivity and efficiency. The suggested design achieves a directivity of 23.4 with 84.5% radiation efficiency at a wavelength of 15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d484be30bab241ed41d64afead8c556a
https://doi.org/10.1364/josab.383458
https://doi.org/10.1364/josab.383458
Publikováno v:
Journal of Circuits, Systems and Computers. 15:351-372
A five-port general-purpose analog building block, termed as an Operational Floating Current Conveyor (OFCC), is described. The OFCC combines the features of current feedback operational amplifier, second-generation current conveyor and operational f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aab173c860f179772348cf0bec9bd50c
https://doi.org/10.1142/s0218126606003118
https://doi.org/10.1142/s0218126606003118
Publikováno v:
Solid-State Electronics. 38:211-216
In this short paper we introduce new complementary BiCMOS buffers employing multidrain/multi-collector structures. These circuits offer near rail-to-rail output voltage, less circuit complexity, less process complexity, and high performance at scaled
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88910d2f7aa75c0056deb1f6574b5d51
https://doi.org/10.1016/0038-1101(94)e0051-f
https://doi.org/10.1016/0038-1101(94)e0051-f
Publikováno v:
The 14th International Conference on Microelectronics.
A new active universal filter with single input and three outputs using Operational Floating Current Conveyor (OFCC) is presented. The configuration uses four OFCC, two grounded capacitors and three resistors. The proposed filter offers the following
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce66464467b56bb89ad80c616b7dba0
https://doi.org/10.1109/icm-02.2002.1161492
https://doi.org/10.1109/icm-02.2002.1161492
Autor:
M.H. El-Said
Publikováno v:
Proceedings of the Tenth International Conference on Microelectronics (Cat. No.98EX186).
This paper presents a proposal to establish a VLSI components industry in Egypt. The first stage has been started in the Electron Factory owned by the Arab Industrial Authority (AIA). In the mean time a study to start the second stage is underway. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5549589152286d97425e561fe7934481
https://doi.org/10.1109/icm.1998.825549
https://doi.org/10.1109/icm.1998.825549