Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Zen Kawasaki"'
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:
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:
Shamsul Ammar Shamsul Baharin, Mohd Riduan Ahmad, Muhammad Haziq Mohammad Sabri, Ammar Alammari, Ammar Ahmed Nasser Al-Kahtani, Gaopeng Lu, Zen Kawasaki, Vernon Cooray
Publikováno v:
Journal of Atmospheric and Solar-Terrestrial Physics. 242:105998
Autor:
Ahmed Aljanad, Mohd Riduan Ahmad, Ammar Ahmed Alkahtani, Ammar Alammari, Fuad Noman, Zen Kawasaki
Publikováno v:
Applied Sciences, Vol 11, Iss 8634, p 8634 (2021)
Applied Sciences
Volume 11
Issue 18
Applied Sciences
Volume 11
Issue 18
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
Autor:
Ammar Ahmed Alkahtani, Mona Riza Mohd Esa, Zen Kawasaki, Ammar Alammari, Sieh Kiong Tiong, Mohd Riduan Ahmad, Fuad Noman
Publikováno v:
IEEE Access, Vol 8, Pp 190064-190082 (2020)
Despite the significant progress made in studying the lightning phenomenon, precise location and mapping of its occurrence remain a challenge. Lightning mapping can be determined by studying the electromagnetic radiation accompanying the lightning di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45450c99108585ca40d523aa3fa93fb6
http://arxiv.org/abs/2006.00563
http://arxiv.org/abs/2006.00563
Publikováno v:
Journal of Machine Intelligence. 2:1-5
This paper introduces the flower pollination algorithm (FPA) as an optimization technique suitable for adaptive beamforming of phased array antennas. The FPA is a new nature-inspired evolutionary computation algorithm that is based on pollinating beh
Publikováno v:
Journal of Atmospheric Electricity. 36:55-67
Autor:
Atsushi Yamazaki, Tomoo Ushio, Zen Kawasaki, Hiroshi Kikuchi, Mitsuteru Sato, Takeshi Morimoto, Makoto Suzuki
Publikováno v:
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC).
The Global Lightning and Sprite Measurements (GLIMS) mission for lightning and transient luminous events (TLEs) observations of lightning was conducted from 2012 to 2015 [1, 2]. The optical and radio observational instruments are installed on the Int