Radiation field spectra of long‐duration cloud flashes

The preliminary results of radiation electric fields produced by long‐duration cloud flashes have been Fourier analyzed to determine the frequency spectrum in the range of 10 kHz–10 MHz. The flashes were recorded within a distance of less than 20 km. The spectrum was normalized to 50 km distance and...

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Published inAtmospheric science letters Vol. 16; no. 2; pp. 91 - 95
Main Authors Ahmad, Noor Azlinda, Baharudin, Z. A., Fernando, M., Cooray, V.
Format Journal Article
LanguageEnglish
Published Chichester, UK John Wiley & Sons, Ltd 01.04.2015
John Wiley & Sons, Inc
Subjects
Atmospheric sciences
Audio frequencies
cloud flash
Dependence
Distance
Duration
electric field
Electric fields
Engineering Science with specialization in Science of Electricity
Frequency ranges
Frequency spectra
Frequency spectrum
Laboratories
Lightning
Propagation
Radiation
radiation field spectra
Spectrum allocation
Studies
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Summary:The preliminary results of radiation electric fields produced by long‐duration cloud flashes have been Fourier analyzed to determine the frequency spectrum in the range of 10 kHz–10 MHz. The flashes were recorded within a distance of less than 20 km. The spectrum was normalized to 50 km distance and it shows a f−1 dependence within the entire frequency range.
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ISSN:1530-261X
1530-261X
DOI:10.1002/asl2.537