Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Mohd Riduan Ahmad"'
Publikováno v:
IEEE Access, Vol 12, Pp 14870-14881 (2024)
In this study, microwave radiation pulses emitted from natural lightning have been found to interfere with the Fourth Generation Long Term Evolution (4G LTE) mobile communication data transmission. Two sets of measurement instruments have been synchr
Externí odkaz:
https://doaj.org/article/2dfc8149c4ff450599ed936d3e50cf65
Autor:
Ahmed Salih Al-Obaidi, Mohammed Ahmed Jubair, Izzatdin Abdul Aziz, Mohd Riduan Ahmad, Salama A. Mostafa, Hairulnizam Mahdin, Abdullah Talaat Al-Tickriti, Mustafa Hamid Hassan
Publikováno v:
IEEE Access, Vol 10, Pp 76376-76385 (2022)
Vehicular ad hoc networks (VANETs) are emerging to serve various types of applications for serving smart cities and intelligent transportation systems. There are several challenging factors for ensuring reliable and stable VANETs communications. VANE
Externí odkaz:
https://doaj.org/article/2c7ee1528f164a5f870f88276d28f37d
Autor:
Wan Zairani Wan Bakar, Ismail Mohd Saaid, Mohd Riduan Ahmad, Husna Hayati Jarni, Siti Qurratu’ Aini Mahat
Publikováno v:
Indonesian Journal of Chemistry, Vol 20, Iss 6, Pp 1230-1239 (2020)
Core cleaning could be complicated for samples that contain a high amount of clays. Some clays are delicate and exposure to solvent and heat would damage or alter its properties. In this study, we investigated the effect of direct exposure of solvent
Externí odkaz:
https://doaj.org/article/892ba3cf5fca4b17a4eedbeb9cc73c6f
Autor:
Ammar Alammari, Ammar Ahmed Alkahtani, Mohd Riduan Ahmad, Fuad M. Noman, Mona Riza Mohd Esa, Zen Kawasaki, Sieh Kiong Tiong
Publikováno v:
IEEE Access, Vol 8, Pp 190064-190082 (2020)
Despite the significant progress in the understanding of the phenomenon of lightning and the physics behind it, locating and mapping its occurrence remain a challenge. Such localization and mapping of very high frequency (VHF) lightning radiation sou
Externí odkaz:
https://doaj.org/article/413652a499674b96af7a73e2f3826eeb
Autor:
Muhammad Haziq Mohammad Sabri, Ammar Ahmed Alkahtani, Mohd Riduan Ahmad, Shamsul Ammar Shamsul Baharin, Gaopeng Lu, Zen Kawasaki, Vernon Cooray
Publikováno v:
Atmosphere, Vol 13, Iss 9, p 1454 (2022)
In this paper, we examined the initiation events of ten negative cloud-to-ground (CG) flashes detected close to measurement stations on 12 November (CG-1 to CG-5) and 24 November (CG-6 to CG-10), 2019. All CG flashes were accompanied by microwave and
Externí odkaz:
https://doaj.org/article/70c5d4e6f89f4cc18530df4665fe8613
Autor:
Sulaiman Ali Mohammad, Mohd Riduan Ahmad, Mardina Abdullah, Park Sangjong, Shamsul Ammar Shamsul Baharin, Norbayah Yusop, Gaopeng Lu, Vernon Cooray
Publikováno v:
Atmosphere, Vol 13, Iss 4, p 588 (2022)
This paper presents the temporal characteristics of electromagnetic fields produced by cloud-to-ground (CG) lightning flashes associated with Antarctica storms. A total of 51 positive CG (+CG) and 103 negative CG (−CG) flashes have been recorded by
Externí odkaz:
https://doaj.org/article/4d45efed03724a508165da5ac5d16bcc
Autor:
Ahmed Salih Al-Khaleefa, Mohd Riduan Ahmad, Azmi Awang Md Isa, Mona Riza Mohd Esa, Ahmed Al-Saffar, Yazan Aljeroudi
Publikováno v:
IEEE Access, Vol 6, Pp 54769-54785 (2018)
Wi-Fi localization is an active research topic, and various challenges are not yet resolved in this field. Researchers develop models and use benchmark datasets for Wi-Fi or fingerprinting to create a quantitative comparative evaluation. These benchm
Externí odkaz:
https://doaj.org/article/83dcf9d293314fe28dc398fb880508c1
Autor:
Ammar Alammari, Ammar Ahmed Alkahtani, Mohd Riduan Ahmad, Ahmed Aljanad, Fuad Noman, Zen Kawasaki
Publikováno v:
Applied Sciences, Vol 11, Iss 18, p 8634 (2021)
Several processing methods have been proposed for estimating the real pattern of the temporal location and spatial map of the lightning strikes. However, due to the complexity of lightning signals, providing accurate lightning maps estimation remains
Externí odkaz:
https://doaj.org/article/6d05917dc94e402f8894f29c95bec8af
Autor:
Ammar Alammari, Ammar A. Alkahtani, Mohd Riduan Ahmad, Fuad Noman, Mona Riza Mohd Esa, Muhammad Haziq Mohammad Sabri, Sulaiman Ali Mohammad, Ahmed Salih Al-Khaleefa, Zen Kawasaki, Vassilios Agelidis
Publikováno v:
Applied Sciences, Vol 10, Iss 12, p 4238 (2020)
Lightning mapping systems based on perpendicular crossed baseline interferometer (ITF) technology have been developed rapidly in recent years. Several processing methods have been proposed to estimate the temporal location and spatial map of lightnin
Externí odkaz:
https://doaj.org/article/fcfe222ada8e485d90fcffae3d7fe8c5
Autor:
Ahmed Salih AL-Khaleefa, Mohd Riduan Ahmad, Azmi Awang Md Isa, Mona Riza Mohd Esa, Yazan Aljeroudi, Mohammed Ahmed Jubair, Reza Firsandaya Malik
Publikováno v:
Sensors, Vol 19, Iss 10, p 2397 (2019)
Wi-Fi has shown enormous potential for indoor localization because of its wide utilization and availability. Enabling the use of Wi-Fi for indoor localization necessitates the construction of a fingerprint and the adoption of a learning algorithm. Th
Externí odkaz:
https://doaj.org/article/09b3b13ef3e949fd90994a2010113fa4