Z. Zakaria, N. Ahmad, Mona Riza Mohd Esa, Z. Adzis, M. Sidik, N. Zainuddin, I. Jambak
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引用次数: 1
Abstract
In this paper, we reported the wavelet analysis of lightning electric field of Narrow Bipolar Pulses (NBP) measured during two different monsoon season in Johor, Malaysia. The lightning electric field of NBP were divided into Narrow positive Bipolar Pulses (NPBP) and Narrow Negative Bipolar Pulses (NNBP). Analysis on the wavelet and frequency spectrum reveals that the energy spectrum for both NBPs concentrates at higher frequency (200 kHz to 600 kHz) in comparison to return strokes. Further, NBPs radiated higher energy power spectrum during northeast monsoon with average peak power spectrum of the initial stage NNBP and NPBP are 76,650 (V/m)2 and 76309 (V/m)2, respectively.
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