摘要：

关键词：等离子体特性 闪电光谱 放电通道 放电特性 雷电放电 

单位：Thunder Prevention and Observation Center of Shanxi Province Taiyuan 030002 China College of Physics and Electronic Engineering Northwest Normal University Lanzhou 730070 China Laboratory of Lightning Physics and Protection Engineering Chinese Academy of Meteorological Sciences Beijing 100081 China School of Mathematics and Physics Lanzhou Jiaotong University Lanzhou 730070 China Laboratory for Middle Atmosphere and Global Environment Observation Institute of Atmospheric Physics Chinese Academy of Sciences Beijing 100029 China