人工触发闪电通道的辐射特性分析

张华明; 吕伟涛; 张阳; 张义军; 樊艳峰; 齐奇

doi:10.3788/CO.20191203.0670

Volume 12 Issue 3

Jun. 2019

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Article Contents

Chinese Optics > 2019 > 12(3): 670-677.

ZHANG Hua-ming, LÜ Wei-tao, ZHANG Yang, ZHANG Yi-jun, FAN Yan-feng, QI Qi. Analysis of radiation evolution characteristics of the artificial triggered lightning channel[J]. Chinese Optics, 2019, 12(3): 670-677. doi: 10.3788/CO.20191203.0670

Citation:

ZHANG Hua-ming, LÜ Wei-tao, ZHANG Yang, ZHANG Yi-jun, FAN Yan-feng, QI Qi. Analysis of radiation evolution characteristics of the artificial triggered lightning channel[J]. Chinese Optics, 2019, 12(3): 670-677. doi: 10.3788/CO.20191203.0670

Citation:

ZHANG Hua-ming, LÜ Wei-tao, ZHANG Yang, ZHANG Yi-jun, FAN Yan-feng, QI Qi. Analysis of radiation evolution characteristics of the artificial triggered lightning channel[J]. Chinese Optics, 2019, 12(3): 670-677. doi: 10.3788/CO.20191203.0670

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Analysis of radiation evolution characteristics of the artificial triggered lightning channel

doi: 10.3788/CO.20191203.0670

1.
Laboratory of Lightning Physics and Protection Engineering, State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing 100081, China
2.
Meteorological Disaster Prevention Technology Center of Shanxi Province, Taiyuan 030002, China
3.
Institute of Atmospheric Sciences, Fudan University, Shanghai 200439, China

Funds:

the Open Fund of State Key Laboratory of Severe Weather of Chinese Academy of Meteorological Sciences 2016LASW-B10

the National Research Program of China 2017YFC1501501

Basic research project of China Academy of Meteorological Sciences 2015Z006

Basic research project of China Academy of Meteorological Sciences 2016Z005

More Information

Author Bio:
ZHANG Hua-ming(1980-), he is a senior engineer and his research interests focus on lightning physics.E-mail:zhanghuaming980@163.com
Corresponding author: ZHANG Hua-ming, E-mail:zhanghuaming980@163.com
Received Date: 25 Apr 2018
Rev Recd Date: 24 May 2018
Publish Date: 01 Jun 2019

Abstract

Abstract

The spectrum of one triggered lightning with time resolution of 20 μs was observed by using the slit-less spectrograph and the current intensity at the channel bottom was obtained, based on which the radiation characteristics of the lightning spectrum under different current intensities were analyzed. The duration of the spectral line was analyzed according to the excitation energy of the spectral line and the change of the channel current. As a result, the spectral lines were divided into three types. Furthermore, mechanisms of the continuous background radiation of short wavelength and long wavelength were analyzed, respectively. The influences of two radiation mechanisms on continuous background radiation attenuation were researched.
- triggered lightning,
- channel plasma,
- lightning spectrum,
- channel current

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References(15)

References

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