作者单位:Jinxing Li,Zuyin Pu,Lun Xie,Suiyan Fu,Qiugang Zong(Institute of Space Physics and Applied Technology,Peking University,Beijing 100871,China)Binbin Ni(Department of Space Physics,School of Electronic Information,Wuhan University,Wuhan,Hubei 430072,China)Lunjin Chen(W.B.Hanson Center for Space Sciences,Department of Physics,University of Texas at Dallas,Richardson,Texas 75080,USA)