Key Laboratory of Particle&Radiation Imaging(Tsinghua University);
Ministry of Education;
Beijing 100084;
People's Republic of China;
Department of Engineering Physics;
Tsinghua University;
Beijing 100084;
People's Republic of China;
State Key Laboratory of Intense Pulsed Radiation Simulation and Effect;
Xi’an 710024;
People's Republic of China;
State Key Laboratory of Electrical Insulation and Power Equipment;
Xi’an Jiaotong University;
Xi'an 710049;
People's Republic of China;
gas switch; nanosecond pulse; breakdown time delay; jitter; distribution model;