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Sound Source Localization of Lightning Discharges
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]

The lightning channel can be retraced by thunder signature recorded with an array of microphones. Four microphones were arranged to capture thunder sound, and acoustic cross-correlation of captured pressure signals estimated the time lag of each pair of microphones. A wave segment with 0.25 s or 0.5 s of duration was compared with the acoustic signal recorded by other microphones to estimate time lapse. The direction of channel propagation has been estimated by the time difference of arrival of each pair of microphones. Thunder source locations estimated by this method can be extended to investigate the channel propagation inside clouds.

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-368749ISI: 000518213400108ISBN: 978-1-5386-6635-7 (electronic)OAI: oai:DiVA.org:uu-368749DiVA, id: diva2:1268914
Conference
34th International Conference on Lightning Protection, 2-7 Sept., 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
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • en-US
  • fi-FI
  • nn-NO
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More languages
Output format
  • html
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  • asciidoc
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