...
机译:Seasonal and latitudinal variations of the electron density nonmigrating tidal spectrum in the topside ionospheric F region as resolved from CHAMP observations
GFZ German Res Ctr Geosci, Helmholtz Ctr Potsdam, Potsdam, Germany;
Wuhan Univ, Coll Elect Informat, Dept Space Phys, Wuhan 430072, Peoples R China;