Zobrazeno 1 - 10
of 72
pro vyhledávání: '"N H A Rahman"'
Publikováno v:
Radioengineering, Vol 31, Iss 4, Pp 541-552 (2022)
For multibeam operation at the satellite mobile earth station and telecommunication base stations, a cylindrical lens antenna with multi-feed is a promising candidate due to the simple antenna configuration and good scanning performance to produce mu
Externí odkaz:
https://doaj.org/article/6ce00ba20dea4653b2df9dca57078495
Publikováno v:
Radioengineering, Vol 31, Iss 1, Pp 39-53 (2022)
In the fifth-generation (5G) mobile system, new millimeter-wave technologies such as small cell size and multibeam operation are introduced at the base station. Currently, linear array antennas are used at base stations, however higher design complex
Externí odkaz:
https://doaj.org/article/62aafb22bbe04c24a36f3434363417ab
Publikováno v:
IEEE Access, Vol 7, Pp 179690-179700 (2019)
Designing and analyzing a textile-based antenna requires precise representation of the material in electromagnetic solver. Due to its complex and inhomogeneous thread structure, the exact cross-sectional structure of the conductive textile segment wa
Externí odkaz:
https://doaj.org/article/373f7e2b684e4f6cbfd1658acef40835
Autor:
K.N. Mohd Amin, M.B. Mahadi, N. H. Abd Rahman, I. Wuled Lenggoro, N.F. Abu Bakar, M.Z. Wahab, S.A. Mohd Zuki
Publikováno v:
Materials Today: Proceedings. 48:1899-1904
Nanocellulose from oil palm mesocarp fiber (OPMF) was isolated using hydrothermal treatment at a pressure of 150 kPa and 120 °C coupled with hydrolysis of low concentration of weak acid i.e. oxalic acid dihydrate (OAD). Two different concentrations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::483e4242cfdb1ec30cb6a395e87c3b73
https://doi.org/10.1016/j.matpr.2021.09.357
https://doi.org/10.1016/j.matpr.2021.09.357
Publikováno v:
Bulletin of Electrical Engineering and Informatics. 9:1964-1970
In this paper, three antennas with different designs, which are square, circle and edgy patch (flower) were simulated and fabricated. The experiment was carried out to study the effects of bending on these three different shapes of antennas. Two bend
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::551f21b9353a8781145e11fcc0caf866
https://doi.org/10.11591/eei.v9i5.2185
https://doi.org/10.11591/eei.v9i5.2185
Publikováno v:
Journal of Engineering & Technological Advances. 5:34-42
This paper presents a preliminary design of a textile antenna using aperturecoupled technique for Global Positioning System (GPS) application. Mostly used in wearable application, textile materials are suitable to be applied as the antenna substrates
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::548f5ce4c184011e77139ffb8ce7e8ea
https://doi.org/10.35934/segi.v5i2.34
https://doi.org/10.35934/segi.v5i2.34
Publikováno v:
2021 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6f4233888c7c4227604146cbc2a9d87
https://doi.org/10.1109/apace53143.2021.9760565
https://doi.org/10.1109/apace53143.2021.9760565
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789813345966
International Mobile Telecommunications-2020 (IMT-2020) is focused on creating a mobile ecosystem with a reasonable price and user friendly. With these reasons, the need for a communications framework that could be deployed at an affordable cost, com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95700abfdb7055243d60350e8d02f7c2
https://doi.org/10.1007/978-981-33-4597-3_31
https://doi.org/10.1007/978-981-33-4597-3_31
Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789813345966
The fast development of the wearable textile antennas in recent times due to the modern miniaturization of the electronic devices, which included all civil and military fields. It is a part of the clothing used for the communication purposes such as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1263dce5ebfc03377cab3cb768dd28d7
https://doi.org/10.1007/978-981-33-4597-3_32
https://doi.org/10.1007/978-981-33-4597-3_32
Publikováno v:
International Journal of Antennas and Propagation, Vol 2014 (2014)
Reflector antennas have been widely used in many areas. In the implementation of parabolic reflector antenna for broadcasting satellite applications, it is essential for the spacecraft antenna to provide precise contoured beam to effectively serve th
Externí odkaz:
https://doaj.org/article/462e22df9b894b3389538d1ac0ebb353