College of Mathematics and Physics, Qingdao University of Science and Technology, Qingdao 266042;
State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100080;
College of Mathematics and Physics, Qingdao University of Science and Technology, Qingdao 266042;
College of Mathematics and Physics, Qingdao University of Science and Technology, Qingdao 266042;
College of Automation and Electronic Engineering,Qingdao University of Science and Technology,Qingdao 266042;