第一窄初始击穿的微波和甚高频辐射

中国防雷 Pub Date : 2021-09-20 DOI:10.1109/ICLPandSIPDA54065.2021.9627385

Shamsul Ammar Shamsul Baharin, Mohd Riduan Ahmad, Taha Raad Khaleel Al-Shaikhli, Muhammad Haziq Mohammad Sabri, Ammar Al-Kahtani, Sulaiman Ali Mohamad, V. Cooray, Muhammad Abu Bakar Sidik

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摘要

本文报道了微波和甚高频(VHF)辐射脉冲与十次负云对地(-CG)闪光的第一窄(<10us)初始击穿(IB)脉冲相关的观测结果。微波和甚高频传感器的中心频率分别为0.97 GHz和60 MHz。结果表明，所有微波脉冲都是引发事件，导致了第一个VHF脉冲，范围为0.03187 ~ 2.57968µs，导致了第一个窄IB脉冲，范围为0.02382 ~ 2.70202µs。观察到一半的VHF脉冲在0.03453 ~ 0.128µs范围内引领第一个窄IB脉冲。此外，微波辐射脉冲的极性始终为正，而第一窄IB脉冲的极性始终为负。另一方面，一半的甚高频辐射脉冲与微波辐射脉冲具有相同的极性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Microwave and Very High Frequency Radiations of The First Narrow Initial Breakdown

This paper reports the observation of microwave and very high frequency (VHF) radiation pulses associated with the first narrow (<10us) initial breakdown (IB) pulses of ten negative cloud-to-ground (-CG) flashes. The centre frequency of microwave and VHF sensors was 0.97 GHz and 60 MHz, respectively. We found that all microwave pulses were the initiation event led the first VHF pulses ranging between 0.03187 and 2.57968 µs and led the first narrow IB pulses ranging between 0.02382 and 2.70202 µs. Half of the VHF pulses were observed to lead the first narrow IB pulses ranging between 0.03453 and 0.128 µs. Moreover, polarity of microwave radiation pulses was always positive while the polarity of the first narrow IB pulses always negative. On the other hand, half of VHF radiation pulses had the same polarity as microwave radiation pulses.

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中国防雷

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