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Decay form of the echo amplitude and echo phase of typical early/fast VLF event on 19.8 kHz signal

Kumar, Abhikesh and Kumar, Sushil (2010) Decay form of the echo amplitude and echo phase of typical early/fast VLF event on 19.8 kHz signal. The South Pacific Journal of Natural and Applied Sciences, 28 (1). pp. 74-77. ISSN 1838-837X

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Abstract

In this paper, the echo amplitude (M) and echo phase (ø) of typical early/fast events on NWC (19.8 kHz) signal received at Suva, Fiji, are modelled to determine their form of recovery (decay). We applied logarithmic and exponential fitting formulas for M and ø obtained using a simple theoretical model of VLF wave scattering from lightning-induced electron density perturbations in the lower ionosphere and found that they are highly logarithmic.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
Depositing User: Ms Mereoni Camailakeba
Date Deposited: 25 May 2010 11:54
Last Modified: 11 Jul 2012 16:52
URI: http://repository.usp.ac.fj/id/eprint/1889
UNSPECIFIED

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