Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Rabah W. Aldhaheri"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract This study presents the design and analysis of a high-performance metamaterial absorber for the optical terahertz (THz) regime. The proposed absorber utilizes a unique nested flower-shaped structure composed of nickel (Ni) and silicon dioxid
Externí odkaz:
https://doaj.org/article/81a9f4300eee4953bdf3d8de9d0ccfc4
Autor:
Khalid H. Alharbi, Jagadeesh Babu Kamili, Anveshkumar Nella, Rabah W. Aldhaheri, Muntasir M. Sheikh
Publikováno v:
Elektronika ir Elektrotechnika, Vol 30, Iss 2, Pp 38-45 (2024)
This work deals with the design and development of a conformal series-fed antenna structure operating at the 60 GHz frequency. The proposed antenna operates from 57 GHz to 62 GHz with good return loss and radiation characteristics for 6G and beyond a
Externí odkaz:
https://doaj.org/article/d611a0952ba74aa293538ed15ee9e476
Publikováno v:
Biosensors, Vol 14, Iss 10, p 482 (2024)
The autofluorescence of erythrocyte porphyrins has emerged as a potential method for multi-cancer early detection (MCED). With this method’s dependence on research-grade spectrofluorometers, significant improvements in instrumentation are necessary
Externí odkaz:
https://doaj.org/article/ef9ffe2f768d4f22b87cd148a377b5f9
Autor:
Tayyab Shabbir, Mohammad Tariqul Islam, Samir Salem Al-Bawri, Rabah W. Aldhaheri, Khalid Hamed Alharbi, Abdulah Jeza Aljohani, Rashid Saleem
Publikováno v:
IEEE Access, Vol 8, Pp 157946-157958 (2020)
In this article, a low-cost 16-port non-planar Multiple-Input-Multiple Output (MIMO) antenna system is proposed for future 5G applications. The non-planar MIMO antenna system is established around a 3D-octagonal-shape polystyrene block. The MIMO elem
Externí odkaz:
https://doaj.org/article/2e0386a9d2304f12bbe884390342417e
Autor:
Touhidul Alam, Mohammad Tariqul Islam, Mohammad Lutful Hakim, Khalid H. Alharbi, Mandeep Singh Jit Singh, Muntasir M. Sheikh, Rabah W. Aldhaheri, Md. Shabiul Islam, Mohamed S. Soliman
Publikováno v:
Nanomaterials, Vol 13, Iss 2, p 228 (2023)
The concept of nanosatellite technology becomes a viable platform for earth and space observation research to minimize cost and build time for the payload. The communication approach is the essential fundamental attribute of a satellite, of which the
Externí odkaz:
https://doaj.org/article/6ee5d7960f5f4233ba1ebc6eae1a069b
Autor:
Touhidul Alam, Muntasir M. Sheikh, Rabah W. Aldhaheri, Mandeep Singh Jit Singh, Mengu Cho, Mohammad Tariqul Islam, Khalid H. Alharbi, Md. Shabiul Islam
Publikováno v:
Nanomaterials, Vol 12, Iss 18, p 3143 (2022)
The concept of the nanosatellite comes into play in launching miniaturized versions of satellites or regarding payloads with minimizing cost and building time. The economic affordability of nanosatellites has been promoted with a view to launching va
Externí odkaz:
https://doaj.org/article/9509740dffe7492484e2af19446a4a3f
Publikováno v:
Applied Sciences, Vol 12, Iss 10, p 4908 (2022)
In this paper, a compact, flexible Vivaldi antenna is designed, and an array of nine identical antennas of this type is used as a microwave breast imaging model to detect cancerous tumors in the multilayers phantom model presented in this paper. The
Externí odkaz:
https://doaj.org/article/a80d3da52f824baa9f669218cb04d765
Autor:
Avez Syed, Rabah W. Aldhaheri
Publikováno v:
The Scientific World Journal, Vol 2016 (2016)
A low-cost coplanar waveguide fed compact ultrawideband (UWB) antenna with band rejection characteristics for wireless local area network (WLAN) is proposed. The notch band characteristic is achieved by etching half wavelength C-shaped annular ring s
Externí odkaz:
https://doaj.org/article/740d59a6f2a346f5bdd1ac8a23a95180
Autor:
Rabah W. Aldhaheri
Publikováno v:
Journal of King Saud University: Engineering Sciences, Vol 15, Iss 1, Pp 113-127 (2003)
In this paper a new technique is presented to design low order 2-D quadrantally symmetric HR digital filters. This technique is based on two steps: First, the 2-D impulse response specification (Hankel matrix) is decomposed into k parallel sections,
Externí odkaz:
https://doaj.org/article/55a946701cdc47bda15b458650a30987
Publikováno v:
The Applied Computational Electromagnetics Society Journal (ACES).
In this paper, a narrowband and compact antenna resonating at 6.1 GHz with a peak realized gain of 3.3 dBi is proposed to monitor the glucose concentration in the blood without taking invasive blood samples. The proposed antenna is fabricated using a