Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Adam R. H. Alhawari"'
Autor:
Rajeev K. Parida, Abdulkarem H. M. Almawgani, Arjuna Muduli, Dhruba C. Panda, Adam R. H. Alhawari, Amrindra Pal, M. M. Abdullah, Hasan B. Albargi
Publikováno v:
International Journal of Antennas and Propagation, Vol 2024 (2024)
In this work, a dual-port antenna system is simulated and fabricated for cognitive radio (CR) application. The proposed system comprises a tapered-fed monopole ultra-wideband (UWB) sensing antenna and a dual-narrowband (NB) communicating antenna. For
Externí odkaz:
https://doaj.org/article/87be5f7719fb40caa719e0e4a8ecf5b5
Autor:
Chanuri Charin, Dahaman Ishak, Muhammad Ammirrul Atiqi Mohd Zainuri, Baharuddin Ismail, Turki Alsuwian, Adam R. H. Alhawari
Publikováno v:
Energies, Vol 15, Iss 19, p 7370 (2022)
This paper presents a modified Levy particle swarm optimization (MLPSO) to improve the capability of maximum power point tracking (MPPT) under various partial shading conditions. This method is aimed primarily at resolving the tendency to trap at the
Externí odkaz:
https://doaj.org/article/61377881beab4ea3ac7c3026e7f1edbc
Autor:
Tale Saeidi, Adam R. H. Alhawari, Abdulkarem H. M. Almawgani, Turki Alsuwian, Muhammad Ali Imran, Qammer Abbasi
Publikováno v:
Sensors, Vol 22, Iss 14, p 5183 (2022)
An ultrawide bandwidth (UWB) antenna for ground-penetrating radar (GPR) applications is designed to check soil moisture and provide good-quality images of metallic targets hidden in the soil. GPR is a promising technology for detecting and identifyin
Externí odkaz:
https://doaj.org/article/303e9a5af1e449f48dda83a0311a997a
Metamaterial-based wearable flexible elliptical UWB antenna for WBAN and breast imaging applications
Publikováno v:
AIP Advances, Vol 11, Iss 1, Pp 015128-015128-12 (2021)
This paper presents a metamaterial-based flexible wearable ultra-wideband (UWB) antenna for breast imaging and wireless body area network (WBAN) applications. The wearable antenna is required to be a planar and low-profile structure using flexible ma
Externí odkaz:
https://doaj.org/article/7b9f4cfd9fba4ab3b9f783d0e0c858b9
Autor:
Adam R. H. Alhawari, Tale Saeidi, Abdulkarem Hussein Mohammed Almawgani, Ayman Taher Hindi, Hisham Alghamdi, Turki Alsuwian, Samer A. B. Awwad, Muhammad Ali Imran
Publikováno v:
Micromachines, Vol 12, Iss 12, p 1559 (2021)
A low-profile Multiple Input Multiple Output (MIMO) antenna showing dual polarization, low mutual coupling, and acceptable diversity gain is presented by this paper. The antenna introduces the requirements of fifth generation (5G) and the satellite c
Externí odkaz:
https://doaj.org/article/a898986611054741a0e7048d69f904d5
Publikováno v:
AIP Advances, Vol 9, Iss 7, Pp 075314-075314-13 (2019)
Microwave technology is utilized in many fields, especially in measuring the dielectric properties. In this study, the dielectric properties of a complete Oil Palm Trunk (OPT) log are investigated for both healthy and unhealthy (has hollow inside) sa
Externí odkaz:
https://doaj.org/article/185281c1dc684371ba3256633e30ea5f
Publikováno v:
AIP Advances, Vol 9, Iss 3, Pp 035232-035232-21 (2019)
This article presents the design of a droplet shape ultra-wide band antenna for imaging of wood. The proposed antenna is designed on PTFE substrate with a dielectric constant of 2.55, loss tangent of 0.001- and 2.4-mm thickness. The antenna is loaded
Externí odkaz:
https://doaj.org/article/faf4f18c72d64283a8de42514ed03cb3
Publikováno v:
International Journal of Antennas and Propagation, Vol 2019 (2019)
A review paper concerning wide-band and ultra-wideband (UWB) antennas used for wireless communication purposes in terms of the materials as well as a numerical analysis is presented. These antennas which are taken into account are listed as wide-band
Externí odkaz:
https://doaj.org/article/8d089b85d296403a9ba9a49122886cad
Autor:
Adam R. H. Alhawari, Sama F. Majeed, Tale Saeidi, Sajid Mumtaz, Hisham Alghamdi, Ayman Taher Hindi, Abdulkarem H. M. Almawgani, Muhammad Ali Imran, Qammer H. Abbasi
Publikováno v:
Micromachines, Vol 12, Iss 4, p 411 (2021)
The increasing needs of free licensed frequency bands like Industrial, Scientific, and Medical (ISM), Wireless Local Area Network (WLAN), and 5G for underwater communications required more bandwidth (BW) with higher data transferring rate. Microwaves
Externí odkaz:
https://doaj.org/article/44bf7b0186e14d8580a4e856c9395576
Autor:
Tale Saeidi, Idris Ismail, Sima Noghanian, Adam R. H. Alhawari, Qammer H. Abbasi, Muhammad Ali Imran, M. Y. Zeain, Shahid M. Ali
Publikováno v:
Micromachines, Vol 12, Iss 3, p 250 (2021)
This paper presents a miniaturized dual-polarized Multiple Input Multiple Output (MIMO) antenna with high isolation. The antenna meets the constraints of sub-6 GHz 5G and the smartphones’ X-band communications. A vertically polarized modified antip
Externí odkaz:
https://doaj.org/article/c2ab6c1382da422693097dab2fc08301