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Audible Frequency Analysis of Ground Flashes
Univ Colombo, Dept Phys, Colombo, Sri Lanka.
Univ Ruhuna, Dept Phys, Matara, Sri Lanka.
Univ Colombo, Dept Phys, Colombo, Sri Lanka.
Univ Colombo, Dept Phys, Colombo, Sri Lanka.
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2018 (English)Conference paper, Published paper (Refereed)
Abstract [en]

Thunder signatures categorized into three types based on peak pressure and variation in fundamental frequency, have been studied by using acoustic spectrum of thunder. S-transformation has been used to estimate the dominant frequency variation around the peak pressure. The mean fundamental frequencies of type 3 ground and cloud flashes are 160 Hz and 98 Hz respectively. The mean frequencies of type 2 ground and cloud flashes are 108 Hz and 82 Hz respectively.

Place, publisher, year, edition, pages
New York: IEEE, 2018.
Series
International Conference on Lightning Protection, ISSN 2469-8784
National Category
Meteorology and Atmospheric Sciences Fluid Mechanics and Acoustics
Identifiers
URN: urn:nbn:se:uu:diva-368747ISI: 000518213400120ISBN: 978-1-5386-6635-7 (electronic)OAI: oai:DiVA.org:uu-368747DiVA, id: diva2:1268912
Conference
34th International Conference on Lightning Protection, September 2 - Friday, September 7, 2018, Rzeszow, Poland
Available from: 2018-12-07 Created: 2018-12-07 Last updated: 2020-11-09Bibliographically approved

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CiteExportLink to record
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Citation style
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