Zobrazeno 1 - 10
of 48
pro vyhledávání: '"A. S. Abd El-Hameed"'
Publikováno v:
Journal of Electrical Systems and Information Technology, Vol 11, Iss 1, Pp 1-15 (2024)
Abstract This article introduces a novel microstrip slot antenna array (SAA) configuration for radar applications. The proposed antenna is specifically designed for operation in the K-band, spanning from 23 to 24.3 GHz. The antenna structure comprise
Externí odkaz:
https://doaj.org/article/b20b3086a7d64045a5ea80d2f8e6a2d5
Publikováno v:
Magnetism, Vol 4, Iss 3, Pp 209-239 (2024)
In this article, a comprehensive review is presented of recent technological advancements utilizing electromagnetic sensors in the microwave range for detecting human vital signs and lung water levels. With the main objective of improving detection a
Externí odkaz:
https://doaj.org/article/f9442af97f8e444685bebe0a68b5de0a
Publikováno v:
Information, Vol 15, Iss 8, p 467 (2024)
A wearable textile bra-tenna system based on dual-polarization sensors for breast cancer (BC) detection is presented in this paper. The core concept behind our work is to investigate which type of polarization is most effective for BC detection, usin
Externí odkaz:
https://doaj.org/article/20f9bd8538f14ab197e4c1778d8a0644
Autor:
M.M. Salem, El-Refaie Kenawy, Hesham M.H. Zakaly, Antoaneta Ene, Mohamed M. Azaam, Tarek B. Edries, Di Zhou, Marwa M. Hussein, Anwer S. Abd El-Hameed, Islam M. Nabil, Moustafa A. Darwish
Publikováno v:
Results in Physics, Vol 53, Iss , Pp 106975- (2023)
In the contemporary, digitally–driven era, the prevalence of electronic devices has drastically escalated electromagnetic (EM) pollution levels, marking a significant environmental challenge. Electrospun fiber composites of polyvinylidene fluoride
Externí odkaz:
https://doaj.org/article/2d9409276854498889bfcba463be78a8
Publikováno v:
IEEE Access, Vol 11, Pp 53176-53184 (2023)
The reduction of radar cross-section (RCS) becomes an essential requirement for many military and civilian applications. One of the ways to achieve this is by using artificial magnetic conductors (AMCs) as electromagnetic surfaces. In this research,
Externí odkaz:
https://doaj.org/article/3ef44ed7dc794b7bb5a1247c03779216
Publikováno v:
Sensors, Vol 24, Iss 5, p 1658 (2024)
This article presents an in-depth investigation of wearable microwave antenna sensors (MASs) used for vital sign detection (VSD) and lung water level (LWL) monitoring. The study looked at two different types of MASs, narrowband (NB) and ultra-wideban
Externí odkaz:
https://doaj.org/article/b18edfddf5414ecd82478f39816ec179
Publikováno v:
IEEE Access, Vol 10, Pp 3814-3824 (2022)
A quad-port multiple-input multiple-output (MIMO) filtenna with compact dimensions of $50\times50$ mm2 is arranged. In this MIMO filtenna, each element is placed orthogonal to its adjacent one to enhance the isolation. The MIMO element is configured
Externí odkaz:
https://doaj.org/article/f7b5c4c5944a46f794985dbefd1e61db
Publikováno v:
Sensors, Vol 23, Iss 16, p 7070 (2023)
This paper presents a new radar sensor configuration of a planar grid antenna array (PGAA) for automotive ultra-wideband (UWB) radar applications. For system realisation, the MIMO concept is adopted. The proposed antenna is designed to operate over t
Externí odkaz:
https://doaj.org/article/a82a48f4dc2f457b849955c7652bb971
Autor:
Anwer S. Abd El-Hameed, Motoyuki Sato
Publikováno v:
IEEE Access, Vol 9, Pp 29565-29572 (2021)
A new multi-input multi-output (MIMO) antenna configuration with wideband and low sidelobe level (SLL) is introduced for ground-based synthetic aperture radar (GB-SAR). The proposed MIMO antenna has 15 transmitting and 16 receiving antenna arrays, ar
Externí odkaz:
https://doaj.org/article/de075c1a8da541889f20f3ba978b3d17
Publikováno v:
IEEE Access, Vol 8, Pp 112840-112845 (2020)
In this study a quintuple band rectangular dielectric resonator antenna (RDRA) with a small frequency ratio and small size of 30 mm × 30 mm × 9.813 mm is introduced. The proposed RDRA covers the frequency bands of WLAN (2.4/5.2 GHz), WiMAX (3.5 GHz
Externí odkaz:
https://doaj.org/article/cb0c15324ea0406cbae8e29255f48ad8