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Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning

Lightning flash is an electrical discharge in air (dielectric breakdown) which emits electromagnetic (EM) fields across very wide spectra from a few Hertz up to visible wavelength. Electrical breakdown process is an important event that initiates lightning. For electrical breakdown process to occur,...

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Main Authors:	Baharin, S. A. S., Ahmad, M. R., Periannan, D., Sabri, M. H. M., Seah, B. Y., Aziz, M. Z. A. A., Ismail, M. M., Esa, M. R. M., Mohammad, S. A., Abdul-Malek, Z., Yusop, N., Cooray, V., Lu, G.
Format:	Conference or Workshop Item
Language:	English
Published:	2019
Subjects:	TK Electrical engineering. Electronics Nuclear engineering
Online Access:	http://eprints.utm.my/id/eprint/89153/1/MonaRizaEsa2019_WaveletAnalysisofTheOnsetofVhf.pdf http://eprints.utm.my/id/eprint/89153/ https://dx.doi.org/10.1109/ICECOS.2018.8605191
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spelling	my.utm.891532021-01-26T08:48:07Z http://eprints.utm.my/id/eprint/89153/ Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning Baharin, S. A. S. Ahmad, M. R. Periannan, D. Sabri, M. H. M. Seah, B. Y. Aziz, M. Z. A. A. Ismail, M. M. Esa, M. R. M. Mohammad, S. A. Abdul-Malek, Z. Yusop, N. Cooray, V. Lu, G. TK Electrical engineering. Electronics Nuclear engineering Lightning flash is an electrical discharge in air (dielectric breakdown) which emits electromagnetic (EM) fields across very wide spectra from a few Hertz up to visible wavelength. Electrical breakdown process is an important event that initiates lightning. For electrical breakdown process to occur, it must fulfill two conditions which are at least has one free electron and the electric field region is more than 3 MV/m. This process starts with electron avalanche in millimeter scale then grows into streamer in centimeter scale. Lastly, from streamer it will grow into leader in meter scale. It has already established that streamer emits intensely at Very High Frequency (VHF) band as it's already proven both theoretically and experimentally. A study by Cooray, theoretically proved that emission of electron avalanche peaks at microwave band. Air-gap parallel plate antenna which could operate at 1 GHz with remote sensing is designed and simulated to measure the microwave radiation emitted by lightning. Both temporal and wavelet analyses are used to compare the onset of microwave radiation and VHF radiation in both time and frequency domains to determine electron avalanche appears at which electromagnetic band. 2019 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/89153/1/MonaRizaEsa2019_WaveletAnalysisofTheOnsetofVhf.pdf Baharin, S. A. S. and Ahmad, M. R. and Periannan, D. and Sabri, M. H. M. and Seah, B. Y. and Aziz, M. Z. A. A. and Ismail, M. M. and Esa, M. R. M. and Mohammad, S. A. and Abdul-Malek, Z. and Yusop, N. and Cooray, V. and Lu, G. (2019) Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning. In: 2018 International Conference on Electrical Engineering and Computer Science, ICECOS 2018, 2-4 October 2018, Pangkal Pinang, Indonesia. https://dx.doi.org/10.1109/ICECOS.2018.8605191
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
language	English
topic	TK Electrical engineering. Electronics Nuclear engineering
spellingShingle	TK Electrical engineering. Electronics Nuclear engineering Baharin, S. A. S. Ahmad, M. R. Periannan, D. Sabri, M. H. M. Seah, B. Y. Aziz, M. Z. A. A. Ismail, M. M. Esa, M. R. M. Mohammad, S. A. Abdul-Malek, Z. Yusop, N. Cooray, V. Lu, G. Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning
description	Lightning flash is an electrical discharge in air (dielectric breakdown) which emits electromagnetic (EM) fields across very wide spectra from a few Hertz up to visible wavelength. Electrical breakdown process is an important event that initiates lightning. For electrical breakdown process to occur, it must fulfill two conditions which are at least has one free electron and the electric field region is more than 3 MV/m. This process starts with electron avalanche in millimeter scale then grows into streamer in centimeter scale. Lastly, from streamer it will grow into leader in meter scale. It has already established that streamer emits intensely at Very High Frequency (VHF) band as it's already proven both theoretically and experimentally. A study by Cooray, theoretically proved that emission of electron avalanche peaks at microwave band. Air-gap parallel plate antenna which could operate at 1 GHz with remote sensing is designed and simulated to measure the microwave radiation emitted by lightning. Both temporal and wavelet analyses are used to compare the onset of microwave radiation and VHF radiation in both time and frequency domains to determine electron avalanche appears at which electromagnetic band.
format	Conference or Workshop Item
author	Baharin, S. A. S. Ahmad, M. R. Periannan, D. Sabri, M. H. M. Seah, B. Y. Aziz, M. Z. A. A. Ismail, M. M. Esa, M. R. M. Mohammad, S. A. Abdul-Malek, Z. Yusop, N. Cooray, V. Lu, G.
author_facet	Baharin, S. A. S. Ahmad, M. R. Periannan, D. Sabri, M. H. M. Seah, B. Y. Aziz, M. Z. A. A. Ismail, M. M. Esa, M. R. M. Mohammad, S. A. Abdul-Malek, Z. Yusop, N. Cooray, V. Lu, G.
author_sort	Baharin, S. A. S.
title	Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning
title_short	Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning
title_full	Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning
title_fullStr	Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning
title_full_unstemmed	Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning
title_sort	wavelet analysis of the onset of vhf and microwave radiation emitted by lightning
publishDate	2019
url	http://eprints.utm.my/id/eprint/89153/1/MonaRizaEsa2019_WaveletAnalysisofTheOnsetofVhf.pdf http://eprints.utm.my/id/eprint/89153/ https://dx.doi.org/10.1109/ICECOS.2018.8605191
_version_	1690370978250489856
score	13.211869

Wavelet analysis of the onset of vhf and microwave radiation emitted by lightning

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