与热带风暴CG闪电初始击穿过程相关的甚高频和微波辐射

中国防雷 Pub Date : 2021-09-20 DOI:10.1109/ICLPandSIPDA54065.2021.9627445

Muhammad Haziq Mohammad Sabri, Ammar Al-Kahtani, N. H. Nik Ali, Mohd Zainal Abidin Ab-Kadir, M. Ahmad, Shamsul Ammar Shamsul Baharin, Taha Raad Al-Shaikhli, Malik Hasan Ahmed, Mona Riza Mohd Esa, V. Cooray, Muhammad Abu Bakar Sidik

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摘要

本文报道了两个热带风暴产生的5个负云对地闪光的初始击穿过程的VHF和微波辐射脉冲观测。在第一次回击的位置小于10公里的反转距离内和以外都检测到-CG闪光。在五次闪光中，只有一次检测到初始电场变化(IEC)过程。VHF脉冲和微波脉冲都先于第一个经典的IB脉冲，并且发现第一个微波脉冲领先于第一个VHF脉冲，范围在0.03 ~ 23.9 μS之间。

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Very High Frequency and Microwave Radiation Associated with Initial Breakdown Process in CG Lightning Flashes from Tropical Storms

We present the observation of VHF and microwave radiation pulses associated with initial breakdown process of five negative cloud-to-ground (-CG) flashes from two tropical storms. The -CG flashes were detected within and beyond reversal distances with the locations of the first return stroke were less than 10 km. Out of five flashes, only one detected with initial electric field change (IEC) process. Both VHF and microwave pulses were detected before the first classic IB pulse and the first microwave pulses were found to lead the first VHF pulses ranging between 0.03 and 23.9 μS.

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中国防雷

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